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• Exporting Block Docs
  30 bytes (4 words) - 22:29, 12 March 2019

Page text matches

• RFNoC DUC
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_fpga_duc.block.yml --> ;RFNoC Block Type
  871 bytes (122 words) - 01:42, 3 November 2023
• RFNoC DDC
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_fpga_ddc.block.yml --> ;RFNoC Block Type
  868 bytes (122 words) - 01:35, 3 November 2023
• RFNoC Radio
  ...tps://github.com/gnuradio/gnuradio/blob/main/gr-digital/grc/uhd_fpga_radio.block.yml --> ;RFNoC Block Type
  871 bytes (122 words) - 01:47, 3 November 2023
• IQ Correction Manual Offset
  ...github.com/gnuradio/gnuradio/blob/main/gr-digital/grc/blocks_correctiq_man.block.yml --> ...eal and imaginary signal offset. Very similar to a complex add block, the block supports dynamic updating on the values
  996 bytes (142 words) - 01:33, 29 October 2023
• X310 Device
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_fpga_x310.block.yml --> ;RFNoC Block Type
  775 bytes (108 words) - 16:04, 31 October 2023
• RFNoC Null Source Sink Block
  [[Category:Block Docs]] An RFNoC block that sinks data, and which generates a non-zero test signal.
  686 bytes (103 words) - 06:51, 27 September 2023
• Filter Taps Loader
  <!-- /dcs/local/share/gnuradio/grc/blocks/variable_file_filter_taps.block.yml --> This block maps filter taps created with gr_filter_design to a variable
  976 bytes (144 words) - 13:09, 29 October 2023
• Skeleton Block Doc
  : The sample rate for the block (default: samp_rate). ; Block definition
  786 bytes (103 words) - 15:10, 31 March 2024
• IIO Attribute Sink
  ...ttps://github.com/gnuradio/gnuradio/blob/main/gr-digital/grc/iio_attr_sink.block.yml --> ; Block definition
  802 bytes (112 words) - 01:22, 29 October 2023
• IIO Attribute Source
  ...ps://github.com/gnuradio/gnuradio/blob/main/gr-digital/grc/iio_attr_source.block.yml --> ; Block definition
  810 bytes (112 words) - 01:26, 29 October 2023
• Alaw Audio Decoder
  [[Category:Block Docs]] This block performs alaw audio decoding. The input of this block is in 'bytes' and its output is of 'short' type.
  754 bytes (114 words) - 06:31, 31 January 2022
• Stream Endpoint
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_fpga_sep.block.yml --> ;RFNoC Block Type
  963 bytes (133 words) - 15:20, 30 October 2023
• EVM Measurement
  .../github.com/gnuradio/gnuradio/blob/main/gr-digital/grc/digital_meas_evm_cc.block.yml --> ; Block definition
  879 bytes (120 words) - 21:25, 27 October 2023
• ATSC Receive Pipeline
  [[Category:Block Docs]]
  42 bytes (5 words) - 03:23, 27 July 2019
• ATSC Derandomizer
  [[Category:Block Docs]]
  42 bytes (5 words) - 03:23, 27 July 2019
• ATSC Receiver FPLL
  [[Category:Block Docs]]
  42 bytes (5 words) - 03:24, 27 July 2019
• ATSC Equalizer
  [[Category:Block Docs]]
  42 bytes (5 words) - 03:23, 27 July 2019
• ATSC Receiver SYNC
  [[Category:Block Docs]]
  42 bytes (5 words) - 03:24, 27 July 2019
• ATSC Field Sync Checker
  [[Category:Block Docs]]
  42 bytes (5 words) - 03:23, 27 July 2019
• ATSC Reed–Solomon Decoder
  [[Category:Block Docs]]
  42 bytes (5 words) - 03:24, 27 July 2019
• ATSC Field Sync Mux
  [[Category:Block Docs]]
  42 bytes (5 words) - 03:23, 27 July 2019
• ATSC Trellis Encoder
  [[Category:Block Docs]]
  42 bytes (5 words) - 03:24, 27 July 2019
• ATSC Interleaver
  [[Category:Block Docs]]
  42 bytes (5 words) - 03:23, 27 July 2019
• ATSC Viterbi Decoder
  [[Category:Block Docs]]
  42 bytes (5 words) - 03:24, 27 July 2019
• ATSC Pad
  [[Category:Block Docs]]
  42 bytes (5 words) - 03:23, 27 July 2019
• ATSC RS Encoder
  [[Category:Block Docs]]
  42 bytes (5 words) - 03:24, 27 July 2019
• ATSC RX Filter
  [[Category:Block Docs]]
  42 bytes (5 words) - 03:24, 27 July 2019
• ATSC Randomizer
  [[Category:Block Docs]]
  42 bytes (5 words) - 03:23, 27 July 2019
• ATSC Deinterleaver
  [[Category:Block Docs]]
  42 bytes (5 words) - 03:22, 27 July 2019
• Complex to Mag^2
  [[Category:Block Docs]]
  60 bytes (8 words) - 00:20, 27 June 2020
• ATSC Depad
  [[Category:Block Docs]]
  42 bytes (5 words) - 03:23, 27 July 2019
• Documentation Upgrade Working Group
  === How will block docs be different between 3.x and 4.0? === === Create new process / work flow to generate user-friendly block docs ===
  2 KB (314 words) - 15:32, 3 February 2024
• RFNoC Fast Add-Subtract Block
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_rfnoc_addsub.block.yml --> RFNoC AddSub Block:<br>
  939 bytes (135 words) - 15:37, 1 November 2023
• Nop
  [[Category:Block Docs]] This block does nothing. Used for testing only. Whatever input goes inside, doesn't co
  611 bytes (93 words) - 09:55, 24 February 2022
• User vs Developer Documentation
  ...block, and the usage manual) and the Developer Documentation (i.e. Doxygen docs)? * Split up into two parts: the one-wiki-page-per-block and the usage manual (both will live in the Wiki)
  2 KB (337 words) - 18:15, 7 March 2019
• IIO Attribute Updater
  <!-- /dcs/local/share/gnuradio/grc/blocks/iio_attr_updater.block.yml --> ; Block definition
  788 bytes (107 words) - 19:10, 31 October 2023
• Pad Source
  [[Category:Block Docs]] Used as an input to a hierarchical block (block that is made up of other blocks).
  669 bytes (107 words) - 09:04, 21 January 2022
• Pad Sink
  [[Category:Block Docs]] Used when specifying the outputs of a hierarchical block.
  636 bytes (100 words) - 09:04, 21 January 2022
• CC Decoder Definition
  [[Category:Block Docs]] ...currently seem to be no docs for this block. If you know how to use this block, please fill out and improve this page.
  1 KB (176 words) - 11:48, 7 October 2023
• Newbie Guide to GNU Radio
  ...sents a complete course from introductory concepts to intricate details of block programming. == Block docs ==
  1 KB (199 words) - 19:26, 6 June 2021
• UHD: USRP Async Msg Source
  [[Category:Block Docs]] '''You probably don't need to use this block.'''
  755 bytes (117 words) - 01:11, 19 May 2020
• Interleaved Stream Decimator
  ...ithub.com/gnuradio/gnuradio/blob/main/gr-digital/grc/filter_ival_decimator.block.yml --> This block will directly decimate an incoming stream made up of the specified complex
  1 KB (164 words) - 01:30, 29 October 2023
• Remove DC Spike
  This block to removes the center frequency IQ DC spike with an IIR filter. <code>Added There are no parameters for this block.
  776 bytes (105 words) - 12:30, 14 April 2021
• RFNoC Keep One in N Block
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_rfnoc_keep_one_in_n.block.yml --> ; Block definition
  926 bytes (134 words) - 00:24, 2 November 2023
• Message Meta Value to Pair
  .../github.com/gnuradio/gnuradio/blob/main/gr-digital/grc/blocks_meta_to_pair.block.yml --> This block converts a metadata dictionary item to a pmt pair that is compatible with o
  1 KB (160 words) - 01:36, 29 October 2023
• Variable
  [[Category:Block Docs]] ...iable in the parameter field of another block simply by using the Variable Block's ID.
  1 KB (152 words) - 14:43, 4 April 2024
• Complex Conjugate
  [[Category:Block Docs]] This block converts the input into its [https://en.wikipedia.org/wiki/Complex_conjugat
  1 KB (166 words) - 09:59, 25 August 2022
• Soapy PLUTO Sink
  <!-- /dcs/local/share/gnuradio/grc/blocks/soapy_plutosdr_sink.block.yml --> ; Block definition
  1,008 bytes (141 words) - 21:55, 3 November 2023
• Goertzel
  [[Category:Block Docs]] As this is a basic template, it's also in the [[:Category:Stub_Docs|"Stub Docs category"]]. Please improve it.
  1 KB (173 words) - 16:05, 20 August 2019
• Quantizer
  [[Category:Block Docs]] Here is the flowgraph implementation of this hierarchical block:
  806 bytes (100 words) - 21:58, 7 December 2020
• RFNoC Switchboard Block
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_rfnoc_switchboard.block.yml --> The Switchboard Block is an RFNoC block that routes any single input to any
  1 KB (182 words) - 15:16, 2 November 2023
• Soapy PLUTO Source
  <!-- /dcs/local/share/gnuradio/grc/blocks/soapy_plutosdr_source.block.yml --> ; Block definition
  1 KB (144 words) - 23:52, 3 November 2023
• IIO Device Source
  <!-- /dcs/local/share/gnuradio/grc/blocks/iio_device_source.block.yml --> ; Block definition
  1,007 bytes (137 words) - 19:54, 31 October 2023
• Soapy BladeRF Sink
  <!-- /dcs/local/share/gnuradio/grc/blocks/soapy_bladerf_sink.block.yml --> ; Block definition
  1 KB (148 words) - 20:08, 3 November 2023
• Soapy LimeSDR Sink
  <!-- /dcs/local/share/gnuradio/grc/blocks/soapy_limesdr_sink.block.yml --> ; Block definition
  1 KB (149 words) - 20:45, 3 November 2023
• RFNoC Fast Fourier Transform (FFT) Block
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_rfnoc_fft.block.yml --> ;Block Args
  1 KB (155 words) - 20:35, 1 November 2023
• Soapy BladeRF Source
  <!-- /dcs/local/share/gnuradio/grc/blocks/soapy_bladerf_source.block.yml --> ; Block definition
  1 KB (149 words) - 20:14, 3 November 2023
• Soapy LimeSDR Source
  <!-- /dcs/local/share/gnuradio/grc/blocks/soapy_limesdr_source.block.yml --> ; Block definition
  1 KB (149 words) - 21:29, 3 November 2023
• Frequency shift
  [[Category:Block Docs]] ...enience wrapper around using a rotator block for frequency shifting. This block obfuscates the 2*Pi*freq/samp_rate phase_inc field and calculation, and onl
  781 bytes (119 words) - 08:25, 24 August 2022
• SigMF Sink (Minimal)
  <!-- /dcs/local/share/gnuradio/grc/blocks/blocks_sigmf_sink_minimal.block.yml --> ; Block definition
  1 KB (149 words) - 00:56, 30 October 2023
• Not
  [[Category:Block Docs]] This flowgraph shows the Not block to invert a square wave signal.
  229 bytes (33 words) - 14:34, 29 October 2019
• Soapy HackRF Sink
  <!-- /dcs/local/share/gnuradio/grc/blocks/soapy_hackrf_sink.block.yml --> ; Block definition
  1 KB (148 words) - 20:29, 3 November 2023
• RFNoC Vector IIR Block
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_rfnoc_vector_iir.block.yml --> ;Block Args
  1 KB (161 words) - 14:13, 29 October 2023
• Second Order Distortion
  [[Category:Block Docs]] Hierarchical block for second order Distortion.
  1 KB (159 words) - 14:16, 20 August 2019
• Third Order Distortion
  [[Category:Block Docs]] Hierarchical block for third order Distortion.
  1 KB (159 words) - 14:24, 20 August 2019
• HDLC Deframer
  [[Category:Block Docs]] ...outputs PDU binary blobs. Frames which do not pass CRC are rejected. This block also unstuffs the bits in the HDLC frame.
  976 bytes (149 words) - 14:50, 5 October 2023
• Cvsd encoder
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  519 bytes (80 words) - 06:50, 19 January 2022
• Standard Squelch
  [[Category:Block Docs]] This hierarchical block doesn't have proper documentation
  1 KB (159 words) - 16:36, 23 August 2019
• IIO Device Sink
  <!-- /dcs/local/share/gnuradio/grc/blocks/iio_device_sink.block.yml --> ; Block definition
  1 KB (142 words) - 19:44, 31 October 2023
• FEC Extended Async Encoder
  [[Category:Block Docs]] We are missing info on this block. Please help us remedy to that.
  847 bytes (128 words) - 19:49, 21 December 2021
• Xlating low pass filter
  [[Category:Block Docs]]
  133 bytes (24 words) - 19:05, 3 April 2024
• RFNoC Moving Average Block
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_rfnoc_moving_avg.block.yml --> of this block is the sum of the SUM_LENGTH most recent input values
  1 KB (188 words) - 12:53, 2 November 2023
• Map
  [[Category:Block Docs]] This block maps an incoming signal to the value in the map. The block expects that the incoming signal has a maximum value of len(map)-1.
  1,005 bytes (164 words) - 09:45, 26 January 2022
• RFNoC Tx Streamer
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_rfnoc_tx_streamer.block.yml --> ; Block definition
  1 KB (142 words) - 17:02, 2 November 2023
• SigMF Source (Minimal)
  <!-- /dcs/local/share/gnuradio/grc/blocks/blocks_sigmf_source_minimal.block.yml --> This block is essentially just a File Source with some SigMF specific documentation.
  2 KB (271 words) - 00:11, 30 October 2023
• Freq. Selective IQ Correction
  [[Category:Block Docs]] We don't have much documentation about this block, please help us remedy that.
  1,020 bytes (147 words) - 14:12, 11 September 2019
• Soapy HackRF Source
  <!-- /dcs/local/share/gnuradio/grc/blocks/soapy_hackrf_source.block.yml --> ; Block definition
  1 KB (157 words) - 20:37, 3 November 2023
• Amplitude Balance
  [[Category:Block Docs]] Hierarchical block to correct IQ imbalance in a complex input.
  958 bytes (141 words) - 16:52, 24 July 2019
• RFNoC Graph (Device)
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_rfnoc_graph.block.yml --> ; Block definition
  1,001 bytes (132 words) - 00:18, 2 November 2023
• Note
  [[Category:Block Docs]] ...w on the flowgraph if the View -> 'Show Block Comments' is checked. If the block is disabled, the comment will not be shown.
  767 bytes (128 words) - 01:51, 18 November 2020
• Subtract
  [[Category:Block Docs]] This flowgraph illustrates the use of a Subtract Block as a logic inverter for a float value:<br>
  586 bytes (78 words) - 16:30, 23 October 2019
• Soapy AirspyHF Source
  <!-- /dcs/local/share/gnuradio/grc/blocks/soapy_airspyhf_source.block.yml --> ; Block definition
  1 KB (159 words) - 19:20, 3 November 2023
• RFNoC Digital Upconverter Block
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_rfnoc_duc.block.yml --> ;Block Args
  1 KB (160 words) - 15:25, 1 November 2023
• RFNoC Log-Power Block
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_rfnoc_logpwr.block.yml --> This block takes in signed 16-bit complex samples and computes an
  1 KB (167 words) - 13:31, 30 October 2023
• Short To Char
  [[Category:Block Docs]] This block strips off the least significant byte from the short value.
  871 bytes (136 words) - 16:35, 20 August 2019
• RFNoC Digital Downconverter Block
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_rfnoc_ddc.block.yml --> ;Block Args
  1 KB (160 words) - 14:23, 1 November 2023
• Endian Swap
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (163 words) - 08:16, 6 September 2022
• Complex to Arg
  This block takes in a complex stream and outputs each complex value's arg (a.k.a. arct ...ming an input of <math>c[n] = r[n] + i[n]j</math>, then the output of this block corresponds to <math>arctan(i[n]/r[n])</math>.
  1 KB (200 words) - 18:56, 13 April 2024
• Tag Gate
  [[Category:Block Docs]] Use this block to stop tags from propagating.
  1 KB (157 words) - 18:04, 20 August 2019
• Probe Rate
  [[Category:Block Docs]] ...t (how many items/samples are flowing through per second). Note that this block outputs a message, you will need to use a [[Message Debug]] to display the
  1 KB (199 words) - 17:46, 29 November 2023
• Magnitude and Phase To Complex
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (169 words) - 12:42, 6 September 2023
• Binary Slicer
  [[Category:Block Docs]] ...inary Slicer block used to change the float output of the Quadrature Demod block into a binary 1 or zero, depending on whether the received tone is high or
  684 bytes (99 words) - 00:25, 29 October 2019
• Fast Multiply Const
  [[Category:Block Docs]] ...ut by a '''scalar''' constant. The "Fast" refers to the performance of the block.
  1 KB (199 words) - 17:37, 30 October 2019
• FFT Root Raised Cosine Filter
  ; Block definition [[Category:Stub Docs]]
  955 bytes (132 words) - 23:46, 26 October 2023
• Variable to Message
  This block will monitor a variable and, when it changes, generate a message pair. ; Block definition
  852 bytes (121 words) - 14:09, 10 August 2022
• Soapy SDRPlay Source
  <!-- /dcs/local/share/gnuradio/grc/blocks/soapy_sdrplay_source.block.yml --> ; Block definition
  1 KB (176 words) - 21:43, 3 November 2023
• Detect Peak
  [[Category:Block Docs]] Detect the peak of a signal. If a peak is detected, this block outputs a 1, or it outputs 0's.
  2 KB (267 words) - 02:11, 2 August 2023
• Phase Noise Generator
  [[Category:Block Docs]] Hierarchical block for a phase noise generator.
  1 KB (163 words) - 14:35, 20 August 2019
• Multiply Conjugate
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  781 bytes (115 words) - 15:46, 23 August 2019
• Complex To Real
  [[Category:Block Docs]]
  135 bytes (17 words) - 04:24, 21 July 2019
• Probe Signal
  [[Category:Block Docs]] Use with the [[Function Probe]] block, in order to take samples from a stream and write them to a variable.
  865 bytes (132 words) - 15:19, 31 July 2019
• Complex To Mag Phase
  [[Category:Block Docs]] ; Block definition
  702 bytes (99 words) - 13:33, 18 March 2021
• GSM full-rate Audio Encoder
  ; Block definition [[Category:Block Docs]]
  621 bytes (81 words) - 19:17, 10 December 2020
• GSM full-rate Audio Decoder
  ; Block definition [[Category:Block Docs]]
  621 bytes (81 words) - 19:21, 10 December 2020
• Probe Signal Vector
  [[Category:Block Docs]] Use with the [[Function Probe]] block. Available functions to probe: level()
  1 KB (194 words) - 09:23, 5 September 2019
• Symbol Inner Interleaver
  [[Category:Block Docs]] One block is 12 groups x 126 datawords = 1512 datawords.
  1 KB (170 words) - 14:15, 30 November 2020
• Complex to Mag
  [[Category:Block Docs]] This flowgraph shows how to use the Complex to Mag block to demodulate an AM signal. This is a working AM broadcast band receiver.
  334 bytes (51 words) - 00:36, 30 October 2019
• Virtual Sink
  [[Category:Block Docs]] ...k, this is essentially the same as drawing a wire between two blocks. This block can be useful for tidying up a complex flowgraph.
  915 bytes (145 words) - 05:43, 20 January 2022
• POLAR code Configurator
  [[Category:Block Docs]] This block serves as an interface to the underlying Python functions for channel const
  1 KB (149 words) - 15:04, 7 December 2020
• Abs
  [[Category:Block Docs]] [[File:abs-block.png|100px]]
  1 KB (163 words) - 09:21, 25 August 2022
• AM Demod
  [[Category:Block Docs]] Generalized AM demodulation hierarchical block with audio filtering.
  1 KB (171 words) - 00:15, 27 October 2019
• File Descriptor Sink
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  809 bytes (119 words) - 16:10, 20 August 2019
• Bit Inner Deinterleaver
  [[Category:Block Docs]] bit deinterleaver block size is 126.
  861 bytes (130 words) - 14:18, 30 November 2020
• RFNoC Replay Msg Push Button
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_msgpushbutton.block.yml --> This block creates a variable push button that creates a dictionary message when press
  2 KB (244 words) - 13:23, 3 November 2023
• Probe Density
  [[Category:Block Docs]] This block maintains a running average of the input stream and makes it available as a
  1 KB (208 words) - 09:15, 5 September 2019
• Null Sink
  [[Category:Block Docs]] The Detector, Mark, and Space outputs of the RTTY Demod block are unused, so they are connected to Null Sink blocks to satisfy the requir
  682 bytes (101 words) - 17:54, 28 December 2019
• Multiply by Tag Value
  [[Category:Block Docs]] ...ultiplied by this value until a new tag with an update value is found. The block starts with a value of '1.0' for the multiplier constant.
  1 KB (220 words) - 11:38, 31 January 2022
• Virtual Source
  [[Category:Block Docs]] ...k, this is essentially the same as drawing a wire between two blocks. This block can be useful for tidying up a complex flowgraph.
  909 bytes (145 words) - 05:43, 20 January 2022
• RFNoC Fosphor Block
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_rfnoc_fosphor.block.yml --> RFNoC Fosphor Block:<br>
  2 KB (224 words) - 23:58, 1 November 2023
• Transport Framing Encoder
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (170 words) - 13:28, 11 September 2019
• Char To Short
  [[Category:Block Docs]] ...ck multiplies the stream by 256, compared to the regular [[Char To Float]] block. Note how the signal source is generating random numbers between 0 and 128
  453 bytes (63 words) - 04:07, 21 July 2019
• IShort To Complex
  [[Category:Block Docs]] ; Block definition
  1 KB (144 words) - 07:03, 5 August 2022
• PDU to Tagged Stream
  [[Category:Block Docs]] <b>Note for 3.10</b> This block has been moved from gr-blocks to gr-pdu, which causes a name change of the
  1 KB (196 words) - 14:29, 27 January 2022
• Stream to Tagged Stream
  [[Category:Block Docs]] All this block does is add length tags in regular intervals. It can be used to connect a r
  1 KB (234 words) - 15:11, 7 December 2020
• LDPC Generator Matrix
  [[Category:Block Docs]] This block creates a LDPC Generator Matrix variable.
  1 KB (184 words) - 13:57, 3 December 2020
• Struct Variable
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  814 bytes (130 words) - 14:45, 11 September 2019
• Parameter
  [[Category:Block Docs]] ...ock. If you don't care about command line arguments, see the [[Variable]] Block.
  1 KB (179 words) - 06:37, 7 June 2022
• Float To Complex
  [[Category:Block Docs]]
  161 bytes (21 words) - 04:33, 21 July 2019
• SISO
  [[Category:Block Docs]] ; Block Size (''R'')
  1 KB (189 words) - 13:57, 6 September 2019
• And Const
  [[Category:Block Docs]] This flowgraph shows the And Const block to invert a square wave signal.
  478 bytes (67 words) - 14:26, 29 October 2019
• Swap IQ
  This block will transpose the I and Q channels (swap I and Q) to correct for spectrall ; Block definition
  956 bytes (134 words) - 00:27, 15 April 2021
• Phase Mod
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  982 bytes (138 words) - 04:53, 21 July 2019
• File Descriptor Source
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  860 bytes (125 words) - 16:10, 20 August 2019
• Null Source
  [[Category:Block Docs]] ...urce of constant values other than zero, try using the [[Constant Source]] block.
  819 bytes (122 words) - 17:29, 19 July 2022
• Ctrlport Complex Probe
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  853 bytes (129 words) - 23:59, 17 August 2019
• Copy
  [[Category:Block Docs]] ...(default), this block copies its input to its output. When disabled, this block drops its input on the floor.
  2 KB (265 words) - 06:49, 22 February 2022
• Phase Balance
  [[Category:Block Docs]] There is no documentation available for this block so if you have any info on it, please add it.
  1 KB (184 words) - 16:00, 4 September 2019
• GMSK Mod
  [[Category:Block Docs]] Hierarchical block for Gaussian Minimum Shift Key (GMSK) modulation.
  859 bytes (118 words) - 14:54, 2 August 2021
• Feed Forward AGC
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (191 words) - 16:08, 24 July 2019
• Constant Source
  [[Category:Block Docs]] This flowgraph shows the use of a Constant Source and an XOR logic block to invert the input square wave.
  514 bytes (72 words) - 23:00, 27 December 2019
• Trellis Encoder
  [[Category:Block Docs]] ; Block length (''R'')
  1 KB (199 words) - 14:42, 6 September 2019
• Energy Descramble
  [[Category:Block Docs]] Block size is 188 bytes.
  802 bytes (113 words) - 14:26, 30 November 2020
• Function Probe
  [[Category:Block Docs]] ...variable. To poll a stream for a level, use this with the [[Probe Signal]] block.
  1 KB (199 words) - 12:21, 1 November 2020
• QT GUI Sink
  [[Category:Block Docs]] ...ets (e.g. window type) that are usually only accessible either through the block parameters or by middle-clicking the window while it's running.
  465 bytes (70 words) - 03:12, 15 July 2019
• Multiply
  [[Category:Block Docs]] ; Block definition
  840 bytes (115 words) - 00:21, 30 October 2019
• Keep M in N
  [[Category:Block Docs]] : Number of items to take in block of items
  1 KB (241 words) - 13:09, 6 August 2023
• Stream to Vec Decim
  [[Category:Block Docs]] This Heir block converts the input stream to a vector, then decimate the vector stream to a
  1 KB (176 words) - 17:44, 20 August 2019
• Energy Dispersal
  [[Category:Block Docs]] Block size is 188 bytes.
  810 bytes (116 words) - 00:43, 1 December 2020
• UChar To Float
  [[Category:Block Docs]] ; Block definition
  750 bytes (119 words) - 16:34, 11 April 2023
• Exponentiate Const Int
  [[Category:Block Docs]] Exponentiates a complex stream with an integer exponent. This block raises a complex stream to an integer exponent.
  1 KB (223 words) - 08:45, 1 October 2019
• Simple Squelch
  [[Category:Block Docs]] Simple squelch block based on average signal power and threshold in dB. The output equals the in
  1 KB (182 words) - 13:16, 19 January 2022
• FEC Extended Tagged Decoder
  This block decodes an unpacked stream using a variety of Decoder Definition blocks, su : The Maximum Transmission Unit (MTU) of the input frame that the block will be able to process. Specified in bytes and defaults to 1500.
  1 KB (162 words) - 00:54, 27 May 2023
• Constellation Encoder
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (186 words) - 13:56, 3 March 2022
• CtrlPort Monitor
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  876 bytes (132 words) - 23:59, 17 August 2019
• FEC Extended Tagged Encoder
  This block encodes an unpacked stream using a variety of Encoder Definition blocks, su : The Maximum Transmission Unit (MTU) of the input frame that the block will be able to process. Specified in bytes and defaults to 1500.
  1 KB (171 words) - 23:37, 26 May 2023
• RFNoC Rx Streamer
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_rfnoc_rx_streamer.block.yml --> ; Block definition
  1 KB (170 words) - 14:27, 2 November 2023
• Stream to Streams
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (173 words) - 17:47, 20 August 2019
• CtrlPort Performance Monitor
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  887 bytes (134 words) - 00:00, 18 August 2019
• RMS
  [[Category:Block Docs]] ; Block definition
  789 bytes (103 words) - 12:57, 19 December 2021
• Ctrlport Probe PSD
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (153 words) - 00:01, 18 August 2019
• SISO Combo
  [[Category:Block Docs]] ; Block Size (''R'')
  1 KB (207 words) - 13:56, 6 September 2019
• Streams to Stream
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (172 words) - 17:33, 20 August 2019
• Vector Insert
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  919 bytes (137 words) - 13:55, 28 August 2019
• Float To UChar
  [[Category:Block Docs]]
  147 bytes (19 words) - 04:32, 21 July 2019
• BER Curve Gen.
  [[Category:Block Docs]] This is a hier block that... (someone fill this in)
  1 KB (179 words) - 00:24, 19 April 2020
• Skip Head
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (184 words) - 09:58, 24 February 2022
• PDU Remove
  [[Category:Block Docs]] <b>Note for 3.10</b> This block has been moved from gr-blocks to gr-pdu, which causes a name change of the
  1 KB (177 words) - 14:22, 27 January 2022
• Descrambler
  [[Category:Block Docs]] Descramble an input stream using an LFSR. This block works on the LSB only of the input data stream, i.e., on an "unpacked binar
  1,015 bytes (155 words) - 00:22, 18 August 2019
• Differential Decoder
  [[Category:Block Docs]] ; Block definition
  932 bytes (137 words) - 05:38, 11 August 2022
• Differential Encoder
  [[Category:Block Docs]] ; Block definition
  932 bytes (136 words) - 17:32, 10 August 2022
• Short To Float
  [[Category:Block Docs]] ; Block definition
  763 bytes (100 words) - 02:16, 10 December 2020
• Dummy Encoder Definition
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (194 words) - 13:21, 25 January 2022
• LDPC Encoder Definition
  [[Category:Block Docs]] This block can be used to create an LDPC Encoder object that can then be used in other
  1 KB (205 words) - 10:34, 6 June 2022
• QT GUI App Background
  This block sets the application window background to the specified graphic and/or colo ; Block definition
  1 KB (142 words) - 12:35, 16 November 2020
• Time Delta
  ...dd_system_time block). This is useful for benchmarking PDU operations. The block also maintains running estimates of mean and variance, accessible by getter ; Block definition
  1 KB (190 words) - 14:53, 1 November 2022
• Take/Skip To PDU
  The Take/Skip To PDU block can be used to sample a streaming input and convert it to a PDU message for ; Block definition
  1 KB (151 words) - 14:41, 14 December 2021
• Stretch
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  926 bytes (135 words) - 14:24, 11 September 2019
• Viterbi Decoder
  [[Category:Block Docs]] ; Block size
  1 KB (143 words) - 14:21, 30 November 2020
• Bit Inner Interleaver
  [[Category:Block Docs]] bit interleaver block size is 126.
  946 bytes (140 words) - 02:50, 3 December 2020
• Rail
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (153 words) - 16:39, 20 August 2019
• Message Pair to Var
  <p>This block converts an input message pair to the value of a gnuradio variable.</p> ...or this block, <name> is ignored. The variable to be set is specified as a block parameter. More information on PMTs in general can be found in [[Polymorphi
  1 KB (192 words) - 12:33, 5 May 2023
• Dummy Decoder Definition
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  934 bytes (144 words) - 00:27, 18 August 2019
• Mute
  [[Category:Block Docs]] output = input or zero if muted. Similar to [[Selector]] block.
  905 bytes (132 words) - 16:41, 13 December 2020
• Tag Debug
  [[Category:Block Docs]] This block collects all tags sent to it on all input ports and displays them to stdout
  2 KB (288 words) - 11:15, 1 February 2022
• Viterbi
  [[Category:Block Docs]] ; Block size (''R'')
  1 KB (212 words) - 14:41, 6 September 2019
• Stream Mux
  [[Category:Block Docs]] Stream muxing block to multiplex many streams into one with a specified format.
  1 KB (211 words) - 14:59, 29 October 2020
• Convolutional Interleaver
  [[Category:Block Docs]] : size of a block.
  859 bytes (118 words) - 00:50, 1 December 2020
• CODEC2 Audio Encoder
  ; Block definition [[Category:Block Docs]]
  866 bytes (112 words) - 02:08, 10 December 2020
• CODEC2 Audio Decoder
  ; Block definition [[Category:Block Docs]]
  866 bytes (112 words) - 02:12, 10 December 2020
• GMSK Modulator
  [[Category:Block Docs]] GMSK modulator block.
  1 KB (186 words) - 17:12, 11 September 2019
• Fractional Interpolator
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  2 KB (237 words) - 13:27, 3 September 2019
• Encode CCSDS 27
  [[Category:Block Docs]] This block performs convolutional encoding using the CCSDS standard polynomial ("Voyag
  1 KB (186 words) - 12:56, 20 August 2019
• Tagged Stream Align
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  897 bytes (139 words) - 15:42, 23 August 2019
• PDU Filter
  [[Category:Block Docs]] <b>Note for 3.10</b> This block has been moved from gr-blocks to gr-pdu, which causes a name change of the
  2 KB (233 words) - 14:12, 27 January 2022
• Soapy RTLSDR Source
  [[Category:Block Docs]] The RTLSDR Source Block is used to stream samples from a RTLSDR device (i.e. act as the receiver).
  1 KB (138 words) - 19:27, 20 December 2021
• Convolutional Deinterleaver
  [[Category:Block Docs]] : size of a block.
  871 bytes (120 words) - 14:23, 30 November 2020
• Add
  [[Category:Block Docs]] This flowgraph uses an Add Block to generate the classic "dial tone".<br>
  1 KB (168 words) - 09:23, 25 August 2022
• Bit Interleaver
  [[Category:Block Docs]] Part of the DVB block set. Bit interleaves DVB-T2 FEC baseband frames.
  858 bytes (117 words) - 12:16, 20 December 2021
• PDU Set
  [[Category:Block Docs]] <b>Note for 3.10</b> This block has been moved from gr-blocks to gr-pdu, which causes a name change of the
  1 KB (153 words) - 14:27, 27 January 2022
• Add Const
  [[Category:Block Docs]] This block adds a constant value to each item that passes through it.
  3 KB (484 words) - 09:30, 25 August 2022
• Multiply Const
  [[Category:Block Docs]] See [[Fast_Multiply_Const]] for a more performant version of this block for '''scalar''' values only.
  2 KB (288 words) - 16:34, 24 October 2021
• Interleave
  [[Category:Block Docs]] This block interleaves blocks of samples. For each input connection, the samples are i
  2 KB (272 words) - 19:32, 30 July 2023
• Differential Phasor
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (193 words) - 09:36, 11 October 2023
• QT GUI Check Box
  [[Category:Block Docs]] This block creates a variable check box. Leave the label blank to use the variable id
  470 bytes (76 words) - 03:11, 15 July 2019
• IQ Imbalance Generator
  [[Category:Block Docs]] This hierarchical block implements the single branch IQ imbalance transmitter and receiver models.
  1 KB (187 words) - 00:27, 12 August 2019
• TCP Source
  ...ck connects to a server at the given address and port. In server mode, the block starts a local listener on the given port and accepts the first client conn ...resses. If an IPv6 address is detected as the destination IP address, the block will automatically adjust for proper connection. Just make sure your IPv6
  2 KB (228 words) - 01:49, 2 September 2023
• TCP Sink
  ...ck connects to a server at the given address and port. In server mode, the block starts a local listener on the given port and accepts the first client conn ...resses. If an IPv6 address is detected as the destination IP address, the block will automatically adjust for proper connection. Just make sure your IPv6
  2 KB (264 words) - 08:18, 18 December 2020
• Import
  [[Category:Block Docs]] ...we used the Import block to import fftpack from scipy (the argument to the block is 'from scipy import fftpack'). fftpack is then used to set the variable t
  784 bytes (119 words) - 21:27, 16 May 2023
• Char To Float
  [[Category:Block Docs]] This flowgraph compares this block with the [[Char To Short]] which multiplies by 256 by default. Note that t
  1 KB (171 words) - 10:35, 5 August 2022
• Packet Header Generator (Default)
  [[Category:Block Docs]] ...t header for a tagged, streamed packet based on the specified length. This block is a special case of [[Packet Header Generator]]
  1 KB (215 words) - 13:42, 8 August 2023
• Viterbi Combo
  [[Category:Block Docs]] ; Block Size (''R'')
  2 KB (227 words) - 14:41, 6 September 2019
• And
  [[Category:Block Docs]] ; Block definition
  888 bytes (143 words) - 08:34, 31 January 2022
• Log Power FFT
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (189 words) - 10:00, 4 November 2022
• Rational Resampler
  [[Category:Block Docs]] This block only works when the output language of the flowgraph is Python.
  1 KB (192 words) - 13:35, 3 May 2023
• Constellation Decoder
  [[Category:Block Docs]] ; Block definition
  843 bytes (112 words) - 14:24, 22 March 2023
• RFNoC TX Radio
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_rfnoc_tx_radio.block.yml --> ;Block Args
  2 KB (219 words) - 16:53, 2 November 2023
• SCCC Decoder
  [[Category:Block Docs]] ; Block size
  1 KB (219 words) - 14:41, 6 September 2019
• Tag Share
  [[Category:Block Docs]] ...further signal processing that should be done on the complex stream. This block allows the detection tags to be added to the complex stream to trigger down
  1 KB (216 words) - 17:55, 20 August 2019
• FEC Extended Encoder
  [[Category:Block Docs]] : Object defined by an LDPC_Encoder_Definition block
  1 KB (159 words) - 14:50, 3 December 2020
• Trellis Metrics
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (205 words) - 14:42, 6 September 2019
• RFNoC Split Stream Block
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_rfnoc_split_stream.block.yml --> This RFNoC block takes in a single CHDR stream and duplicates it, creating
  2 KB (273 words) - 14:01, 29 October 2023
• JSON Config
  This block presents a JSON config file which is read in as a dictionary. If the id of this block is <code>json_config_0</code>, then you can access the samp rate
  1 KB (182 words) - 10:57, 20 June 2023
• FEC Tagged Encoder
  [[Category:Block Docs]] Creates the encoder block for use in GNU Radio flowgraphs from a given FECAPI object derived from the
  2 KB (255 words) - 06:57, 2 June 2022
• Regenerate
  [[Category:Block Docs]] If a peak is detected, this block outputs a 1 repeated every period samples until reset by detection of anoth
  1 KB (177 words) - 16:45, 20 August 2019
• Ctrlport Probe
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (170 words) - 00:02, 18 August 2019
• PDU To Stream
  ; Block definition ...ps://github.com/gnuradio/gnuradio/blob/master/gr-pdu/grc/pdu_pdu_to_stream.block.yml]
  1,002 bytes (135 words) - 11:35, 14 December 2021
• Chunks to Symbols
  [[Category:Block Docs]] The combination of [[Packed to Unpacked]] followed by this block handles the general case of mapping from a stream of bytes or shorts into a
  1 KB (195 words) - 10:14, 26 January 2022
• GMSK Demod
  [[Category:Block Docs]] Hierarchical block for Gaussian Minimum Shift Key (GMSK) demodulation.
  1 KB (177 words) - 17:08, 11 September 2019
• PCCC Decoder
  [[Category:Block Docs]] ; Block Size
  1 KB (210 words) - 15:33, 4 September 2019
• Hilbert
  [[Category:Block Docs]] ; Block definition
  633 bytes (84 words) - 01:09, 28 March 2020
• LDPC Bit Flip Decoder Definition
  [[Category:Block Docs]] This block creates a LDPC Bit Flip Decoder Definition variable.
  1 KB (199 words) - 13:35, 21 December 2021
• Frequency Xlating FFT Filter
  [[Category:Block Docs]] This is a hier block, consisting of a [[FFT Filter]] block and a [[Rotator]] block. It performs the same function as the [[Frequency Xlating FIR Filter]], ex
  1 KB (231 words) - 03:52, 15 July 2019
• AGC
  [[Category:Block Docs]] This flowgraph shows an Automatic Gain Control block in an AM receiver.
  2 KB (225 words) - 16:14, 4 December 2021
• Tagged Stream to PDU
  [[Category:Block Docs]] <b>Note for 3.10</b> This block has been moved from gr-blocks to gr-pdu, which causes a name change of the
  1 KB (164 words) - 14:42, 27 January 2022
• DVB-S2X Modulator
  [[Category:Block Docs]] ...c_tx.grc here]. You can transmit this signal by removing the [[Throttle]] block and adding an SDR sink to the output of the FFT filter.
  969 bytes (134 words) - 14:26, 20 December 2021
• Vector to Streams
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  994 bytes (156 words) - 16:53, 20 August 2019
• Packet Header Parser (Default)
  [[Category:Block Docs]] Post header metadata as a PMT. In a sense, this is the inverse block to [[Packet Header Generator (Default)]]. The difference is, the parsed hea
  2 KB (257 words) - 13:53, 8 August 2023
• Complex to Imag
  [[Category:Block Docs]]
  257 bytes (36 words) - 16:33, 13 July 2020
• TUNTAP PDU
  [[Category:Block Docs]] GNU Radio needs root privileges to use this block.
  1 KB (218 words) - 09:48, 31 January 2022
• LDPC Decoder Definition
  [[Category:Block Docs]] : For parallel execution of multiple instances of the block (more info is needed on this)
  1 KB (177 words) - 13:37, 21 December 2021
• Python Module
  [[Category:Block Docs]] block. Example:
  702 bytes (122 words) - 02:50, 10 August 2023
• Interleaver
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1,007 bytes (145 words) - 10:52, 3 August 2019
• Repeat
  [[Category:Block Docs]] ; Block definition
  1,014 bytes (139 words) - 11:12, 1 February 2022
• Streams to Vector
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (193 words) - 17:22, 20 August 2019
• Randomizer
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (180 words) - 13:32, 11 September 2019
• Trellis Permutation
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (209 words) - 14:42, 6 September 2019
• Log10
  [[Category:Block Docs]] This block handles null and negative samples by using, for each sample, the max betwee
  1 KB (153 words) - 09:09, 11 July 2019
• WBFM Receive PLL
  [[Category:Block Docs]] Hierarchical block for demodulating a broadcast FM signal.
  1 KB (150 words) - 18:09, 22 August 2023
• FMComms2/3/4 Sink
  <!-- /dcs/local/share/gnuradio/grc/blocks/iio_fmcomms2_sink.block.yml --> ; Block definition
  2 KB (203 words) - 01:44, 31 October 2023
• Interpolating FIR Filter
  [[Category:Block Docs]] The block create finite impulse response (FIR) filters that perform the convolution i
  2 KB (275 words) - 11:15, 3 August 2019
• Packet Header Parser
  [[Category:Block Docs]] In a sense, this is the inverse block to [[Packet Header Generator]]. The difference is, the parsed header is not
  2 KB (262 words) - 13:54, 8 August 2023
• Async CRC32
  [[Category:Block Docs]] <code>Deprecated in 3.10</code> This block has been replaced by [[CRC_Append]] and [[CRC_Check]] blocks.
  2 KB (274 words) - 17:38, 11 March 2023
• LDPC Encoder
  [[Category:Block Docs]] ; Block definition
  1 KB (164 words) - 10:28, 6 June 2022
• Deinterleave
  [[Category:Block Docs]] Deinterleave an input block of samples into N outputs.
  2 KB (248 words) - 15:30, 18 May 2021
• Socket PDU
  [[Category:Block Docs]] <b>Note for 3.10</b> This block has been moved from gr-blocks to gr-network, which causes a name change of
  1 KB (224 words) - 14:52, 27 January 2022
• BCH Encoder
  [[Category:Block Docs]] Part of the DVB block set. Encodes a BCH ((Bose, Chaudhuri, Hocquenghem) FEC.
  590 bytes (82 words) - 12:12, 20 December 2021
• PCCC Encoder
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (198 words) - 15:32, 4 September 2019
• Physical Layer Framer
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (151 words) - 16:04, 4 September 2019
• Soapy Custom Sink
  <!-- /dcs/local/share/gnuradio/grc/blocks/soapy_custom_sink.block.yml --> ; Block definition
  2 KB (239 words) - 01:29, 4 November 2023
• Protocol Parser
  [[Category:Block Docs]] Block that synchronizes to a header based on a header format object class. Design
  2 KB (273 words) - 01:07, 7 April 2021
• DVB-T Demap
  [[Category:Block Docs]] ; Block definition
  852 bytes (120 words) - 14:04, 30 November 2020
• DVB-T Map
  [[Category:Block Docs]] ; Block definition
  850 bytes (120 words) - 00:55, 1 December 2020
• Probe Avg Mag^2
  [[Category:Block Docs]] Use with the function probe block. Available functions to probe: level(), unmuted()
  2 KB (368 words) - 14:07, 23 February 2024
• Divide
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (202 words) - 10:03, 25 August 2022
• Integrate
  [[Category:Block Docs]] Here is a simple flow graph showing the integrate block with different decimation values:
  1 KB (174 words) - 01:12, 2 August 2023
• Keep 1 in N
  [[Category:Block Docs]] : Block size, in items/samples. Acts as decimation rate.
  1 KB (218 words) - 12:51, 6 August 2023
• NBFM Receive
  [[Category:Block Docs]] This flowgraph shows a NBFM Receive block in a working 2 meter receiver.
  1,018 bytes (146 words) - 19:31, 16 April 2022
• SCCC Decoder Combo
  [[Category:Block Docs]] ; Block size
  2 KB (248 words) - 14:40, 6 September 2019
• Sample and Hold
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (213 words) - 10:02, 10 August 2019
• PCCC Decoder Combo
  [[Category:Block Docs]] ; Block Size
  2 KB (235 words) - 15:33, 4 September 2019
• WBFM Receive
  [[Category:Block Docs]] Hierarchical block for demodulating a broadcast FM signal.
  1 KB (159 words) - 18:07, 22 August 2023
• DDS Control
  <!-- /dcs/local/share/gnuradio/grc/blocks/iio_dds_control.block.yml --> Transmitter blocks cannot be run simultaneously with this block for the same device
  2 KB (314 words) - 01:28, 1 November 2023
• FEC Extended Decoder
  : Object defined by an Decoder Definition block ; Block definition
  1 KB (165 words) - 01:43, 29 May 2023
• HowToGetInvolved
  === Block docs === ...x has a page for each block, describing it's function and use. Many of the block pages have incomplete information, needing example flowgraphs, links to the
  3 KB (467 words) - 17:31, 15 October 2022
• DVB-T2 Modulator
  [[Category:Block Docs]] ; Block definition
  852 bytes (110 words) - 12:24, 20 December 2021
• SRO Model
  [[Category:Block Docs]] This block implements a model that varies sample rate offset with respect to time by p
  1 KB (199 words) - 15:11, 6 September 2019
• SCCC Encoder
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (220 words) - 14:40, 6 September 2019
• Decode CCSDS 27
  [[Category:Block Docs]] This block performs soft-decision convolutional decoding using the Viterbi algorithm.
  1 KB (205 words) - 00:03, 18 August 2019
• QT GUI LED Indicator
  This block creates a basic LED indicator<br> ; Block definition
  1 KB (169 words) - 17:07, 8 November 2020
• POLAR Decoder SC Definition
  [[Category:Block Docs]] : For parallel execution of multiple instances of the block (more info is needed on this)
  2 KB (281 words) - 16:56, 4 September 2019
• HDLC Framer
  [[Category:Block Docs]] This block outputs one whole frame at a time; if there is not enough output buffer spa
  1 KB (233 words) - 07:10, 27 January 2022
• Max
  [[Category:Block Docs]] : Vector size of input. Must match previous block in the chain.
  1 KB (223 words) - 03:54, 20 July 2019
• Min
  [[Category:Block Docs]] : Vector size of input. Must match previous block in the chain.
  1 KB (223 words) - 03:53, 20 July 2019
• IChar To Complex
  [[Category:Block Docs]] ...t be of type short. (The input does not change color but the output of the block at input must be in short.)
  1 KB (202 words) - 10:47, 11 February 2022
• Matrix Interleaver
  [[Category:Block Docs]] This block performs interleaving by filling a fixed size matrix row by row and then ou
  2 KB (242 words) - 20:59, 30 July 2023
• QT GUI Push Button
  [[Category:Block Docs]] This block creates a variable push button. Leave the label blank to use the variable i
  986 bytes (152 words) - 00:48, 20 April 2020
• Head
  [[Category:Block Docs]] ...mpletion", then as long as there is only one branch in the flowgraph, this block will cause the flowgraph execution to finish when N samples are reached.
  1 KB (222 words) - 05:36, 16 February 2022
• Float To Char
  [[Category:Block Docs]]
  363 bytes (46 words) - 04:33, 21 July 2019
• Int To Float
  [[Category:Block Docs]]
  363 bytes (46 words) - 04:40, 21 July 2019
• Float To Int
  [[Category:Block Docs]]
  363 bytes (46 words) - 04:32, 21 July 2019
• Variable Config
  [[Category:Block Docs]] This block represents a variable that can be read from a config file.
  2 KB (279 words) - 10:41, 22 April 2020
• ZMQ SUB Message Source
  [[Category:Block Docs]] ...k receives messages from a ZMQ SUB socket and outputs async messages. This block will connect to a ZMQ PUB Message Sink or a non-GNU Radio ZMQ socket.
  2 KB (272 words) - 17:13, 28 November 2023
• GLFSR Source
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (232 words) - 14:37, 29 February 2024
• QT GUI Label
  [[Category:Block Docs]] This block creates a variable with a label widget for text. Leave the label blank to u
  1 KB (164 words) - 23:22, 2 February 2023
• Protocol Formatter (Async)
  [[Category:Block Docs]] This block takes in PDUs and creates a header, generally for MAC-level processing. Eac
  2 KB (281 words) - 14:23, 6 April 2021
• LDPC Encoder Definition (via Generator)
  [[Category:Block Docs]] : For parallel execution of multiple instances of the block (more info is needed on this)
  1 KB (199 words) - 13:54, 3 December 2020
• HW Impairments
  [[Category:Block Docs]] Hierarchical block that combines [[Phase Noise Generator]], [[IQ Imbalance Generator]], [[Seco
  2 KB (228 words) - 21:45, 7 December 2020
• OFDM Symbol Acquisition
  [[Category:Block Docs]] ; Block definition
  1 KB (152 words) - 13:20, 30 November 2020
• Repetition Encoder Definition
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (205 words) - 09:16, 12 September 2019
• Delay
  [[Category:Block Docs]] ...Negative delays discard items from the stream. You cannot initialize this block with a negative delay, however. That leads to a causality issue with the bu
  1 KB (214 words) - 14:54, 9 December 2023
• Tags Strobe
  [[Category:Block Docs]] ...ta stream, this is a source block that acts identical to a [[Null Source]] block.
  1 KB (225 words) - 12:37, 13 January 2022
• Unpack K Bits
  [[Category:Block Docs]] In other words, this block picks the K least significant bits from a byte, and expands them into K byt
  1 KB (211 words) - 14:40, 9 December 2023
• QT GUI Entry
  This block creates a variable with a text entry box. ; Block definition
  1 KB (175 words) - 17:37, 23 October 2023
• AGC2
  [[Category:Block Docs]] If the attack and decay rates are the same, this block is identical to [[AGC]]
  2 KB (306 words) - 16:15, 23 July 2019
• Random PDU Generator
  [[Category:Block Docs]] <b>Note for 3.10</b> This block has been moved from gr-blocks to gr-pdu, which causes a name change of the
  1 KB (227 words) - 14:40, 27 January 2022
• Generic Filterbank
  [[Category:Block Docs]] This block takes in a vector of N complex inputs, passes them through N FIR filters, a
  2 KB (304 words) - 14:59, 11 September 2019
• Protocol Formatter
  [[Category:Block Docs]] This block takes in tagged stream and creates a header, generally for MAC-level proces
  2 KB (322 words) - 11:31, 16 May 2024
• Tagged Stream Multiply Length Tag
  [[Category:Block Docs]] ...s in the output stream of the PAR block. Tagged stream multiply length tag block is used to update the values of these tags. Length scalar is set to 2 to ch
  2 KB (268 words) - 12:58, 26 January 2022
• ZMQ PUB Message Sink
  [[Category:Block Docs]] ...ges to each subscriber. Subscribers can be either a ZMQ SUB Message Source block or a non-GNU Radio ZMQ socket.
  1 KB (219 words) - 15:08, 26 March 2020
• Message Strobe
  [[Category:Block Docs]] In this example, a Message Strobe block sends the string "Demo" once per second.
  2 KB (252 words) - 13:39, 6 May 2024
• BBscrambler
  [[Category:Block Docs]] ; Block definition
  811 bytes (108 words) - 12:10, 20 December 2021
• Complex To IShort
  [[Category:Block Docs]] ; Block definition
  1 KB (178 words) - 09:05, 7 June 2022
• YAML Config
  This block represents a yaml config file that is read in as a dictionary. If the id of this block is <code>yaml_config_0</code>, then you can access the samp rate
  1 KB (197 words) - 14:12, 20 June 2023
• FEC Decoder
  [[Category:Block Docs]] ...ved from gr::fec::generic_decoder) to decode data within a flowgraph. This block interacts with the general FECAPI architecture to handle all passing all in
  2 KB (292 words) - 01:06, 7 April 2021
• Single Pole IIR Filter
  [[Category:Block Docs]] ; Block definition
  2 KB (234 words) - 16:09, 28 March 2020
• Constellation Modulator
  [[Category:Block Docs]] Hierarchical block for RRC-filtered differential generic modulation. The input is a byte stre
  1 KB (167 words) - 13:06, 30 August 2022
• Kurtotic Equalizer
  [[Category:Block Docs]] Warning: This block does not yet work (As of 2013). Is it still true? No real change since then
  2 KB (254 words) - 20:35, 18 December 2020
• File Meta Source
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  2 KB (249 words) - 14:02, 22 January 2021
• ZMQ PULL Message Source
  [[Category:Block Docs]] ...socket and convert them to outgoing pmt messages. The PULL Message Source block performs a 'connect' on the designated port. It will interoperate with a ZM
  1 KB (198 words) - 15:12, 26 March 2020
• Fast Noise Source
  [[Category:Block Docs]] Similar to the [[Noise Source]] block, except it uses less CPU by pre-generating a pool of random variates taken
  2 KB (250 words) - 17:22, 5 March 2024
• Vector to Stream
  [[Category:Block Docs]] ; Block definition
  1 KB (162 words) - 14:20, 30 November 2020
• Argmax
  [[Category:Block Docs]] ...passed in as a vector of length ''vlen'' from multiple input sources. The block analyzes the input streams of data items and outputs two streams:
  2 KB (265 words) - 09:40, 25 August 2022
• PN Correlator
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  2 KB (239 words) - 08:46, 23 April 2024
• Reed-Solomon Encoder
  [[Category:Block Docs]] ; Block definition
  872 bytes (130 words) - 06:22, 31 May 2022
• Systematic POLAR Encoder Definition
  [[Category:Block Docs]] : For parallel execution of multiple instances of the block (more info is needed on this)
  2 KB (312 words) - 16:56, 4 September 2019
• ZMQ PUSH Message Sink
  [[Category:Block Docs]] The ZMQ PUSH Message Sink block receives pmt messages from a message port and sends them through a ZMQ PUSH
  1 KB (203 words) - 15:14, 26 March 2020
• Soapy Custom Source
  <!-- /dcs/local/share/gnuradio/grc/blocks/soapy_custom_source.block.yml --> ; Block definition
  2 KB (263 words) - 01:47, 4 November 2023
• Tagged File Sink
  [[Category:Block Docs]] ...tag is found, the new time is calculated based off the sample rate of the block.
  2 KB (290 words) - 09:30, 24 March 2022
• QT GUI Distance Radar
  This block creates a radar-like screen used to represent distance or size. This can b ; Block definition
  1 KB (180 words) - 21:04, 16 November 2020
• Systematic POLAR Decoder SC Definition
  [[Category:Block Docs]] : For parallel execution of multiple instances of the block (more info is needed on this)
  2 KB (310 words) - 01:46, 22 July 2020
• Block interleaver
  Fully parameterizable block interleaver. This block accepts item multiples of size <code>interleaver_indices.size()</code> and
  2 KB (285 words) - 10:58, 31 January 2024
• QT GUI Dial
  ...ther items. Leave the label blank to use the variable id as the label. The block also creates an optional message with the control value that can be used in ; Block definition
  2 KB (217 words) - 17:01, 8 November 2020
• Demod Reference Signals
  [[Category:Block Docs]] ; Block definition
  1,001 bytes (137 words) - 14:03, 30 November 2020
• LDPC Parity Check Matrix
  [[Category:Block Docs]] This block creates a FEC LDPC Parity Check Matrix variable.
  2 KB (328 words) - 14:00, 3 December 2020
• Reed-Solomon Decoder
  [[Category:Block Docs]] ; Block definition
  1 KB (165 words) - 14:24, 30 November 2020
• MISO Processing
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (219 words) - 14:21, 5 September 2019
• Packet Header Generator
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  2 KB (237 words) - 13:43, 8 August 2023
• TCP Server Sink
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (188 words) - 13:57, 18 December 2020
• PDU Split
  ; Block definition : [https://github.com/gnuradio/gnuradio/blob/master/gr-pdu/grc/pdu_pdu_split.block.yml]
  1 KB (150 words) - 20:29, 13 December 2021
• Hierarchical Polyphase Channelizer
  [[Category:Block Docs]] WARNING: Be aware of this bug if you are using this block https://github.com/gnuradio/gnuradio/pull/5567 it will be fixed soon but mi
  2 KB (243 words) - 23:02, 12 February 2022
• ZMQ REQ Source
  [[Category:Block Docs]] This block will connect to a ZMQ REP socket, then produce all incoming messages as str
  2 KB (285 words) - 06:20, 23 June 2023
• Stream to Vector
  [[Category:Block Docs]] ; Block definition
  1,014 bytes (149 words) - 02:18, 10 December 2020
• QT GUI Dial Gauge
  This block creates a dial-style gauge. The value can be set either with a variable or ; Block definition
  1 KB (184 words) - 17:04, 8 November 2020
• Stream Demux
  [[Category:Block Docs]] Stream demuxing block to demultiplex one stream into N output streams.
  2 KB (233 words) - 14:58, 29 October 2020
• FFT Low Pass Filter
  This block is a convenience wrapper for the [[FFT Filter]]. It implements a lowpass fi ...r+Radio/ the US NOAA Weather Radio service]. The '''FFT Low Pass Filter''' block filters out each signal individually in preparation for demodulation.
  2 KB (239 words) - 19:59, 13 April 2024
• FM Demod
  [[Category:Block Docs]] Generalized FM demodulation block with deemphasis and audio filtering. This block demodulates a band-limited, complex down-converted FM channel into the the
  1 KB (165 words) - 00:39, 17 April 2021
• XMLRPC Server
  [[Category:Block Docs]] This block will start an XMLRPC server.
  2 KB (283 words) - 18:06, 21 November 2021
• QT GUI Digital Number Control
  While it can be used for anything, this block replicates the frequency display found in many SDR receivers.<br> ; Block definition
  1 KB (203 words) - 03:13, 5 November 2020
• Test Tag Variable Rate
  [[Category:Block Docs]] ...rts at 0.5 but varies around by some random walk. The relative rate of the block is initialized to 0.5 and the random number generator is seeded based on th
  2 KB (353 words) - 15:32, 23 August 2019
• FEC Encoder
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  2 KB (242 words) - 06:52, 27 January 2022
• POLAR Decoder SC List Definition
  [[Category:Block Docs]] Block expects float input with bits mapped 1 --> 1, 0 --> -1
  2 KB (316 words) - 16:56, 4 September 2019
• Filter Delay
  [[Category:Block Docs]] The purpose of this block is to compensate the delay that a linear-phase filter introduces.
  2 KB (358 words) - 18:00, 15 May 2024
• Scrambler
  [[Category:Block Docs]] This block works on the LSB only of the input data stream, i.e., on an "unpacked binar
  1 KB (209 words) - 15:03, 27 November 2020
• FreeDV demodulator
  [[Category:Block Docs]] FreeDV demodulator is a GNU Radio block wrapping the codec2 library freedv_api
  1 KB (165 words) - 02:38, 10 December 2020
• RFNoC FIR Filter Block
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_rfnoc_fir_filter.block.yml --> RFNoC FIR Filter Block:<br>
  4 KB (474 words) - 12:35, 2 November 2023
• Peak Detector
  [[Category:Block Docs]] If a peak is detected, this block outputs a 1, else it outputs 0's.
  2 KB (273 words) - 10:19, 10 August 2022
• Repetition Decoder Definition
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (233 words) - 09:16, 12 September 2019
• Modulate Vector
  [[Category:Block Docs]] ...plies a symbol shaping filter. It is intended for use with the corr_est_cc block as the symbol stream to correlate against.
  2 KB (250 words) - 13:43, 2 August 2022
• Frame Sync Encoder
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (167 words) - 14:18, 11 September 2019
• Peak Detector2
  [[Category:Block Docs]] If a peak is detected, this block outputs a 1, else it outputs 0's. A separate debug output may be connected,
  2 KB (235 words) - 14:13, 9 March 2021
• Python Snippet
  ...t a function is generated with the block name of the snippet (use GRC Show Block IDs option to modify). These functions are then grouped into their respect ...o exercise features from within GRC that are not entirely supported by the block callbacks, methods and mechanisms to generate the code. One example of thi
  2 KB (332 words) - 03:05, 24 October 2021
• QT GUI Range
  This block creates a variable with a choice of widgets. The variable can be given a de ...ill be the variable name, so that ID can be used as a parameter in another block to make it adjustable in real-time.
  1 KB (239 words) - 11:26, 10 February 2022
• RFNoC Window Block
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_rfnoc_window.block.yml --> RFNoC Window Block:<br>
  4 KB (475 words) - 18:41, 2 November 2023
• POLAR Encoder Definition
  [[Category:Block Docs]] ...city-Achieving Codes for Symmetric Binary-Input Memoryless Channels", 2009 block holds common information for encoders and decoders.
  2 KB (291 words) - 15:02, 7 December 2020
• CFO Model
  [[Category:Block Docs]] This block implements a carrier frequency offset model that can be used to simulate ca
  1 KB (169 words) - 12:26, 22 December 2021
• Float To Short
  [[Category:Block Docs]]
  526 bytes (69 words) - 02:15, 10 December 2020
• QT GUI Msg Push Button
  This block creates a variable push button that creates a message when clicked. Leave t ; Block definition
  1 KB (208 words) - 20:37, 25 September 2023
• FEC Tagged Decoder
  [[Category:Block Docs]] ...ved from gr::fec::generic_decoder) to decode data within a flowgraph. This block interacts with the general FECAPI architecture to handle all passing all in
  2 KB (373 words) - 09:09, 12 September 2019
• XMLRPC Client
  [[Category:Block Docs]] This block will create an XMLRPC client. The client will execute the callback on the s
  2 KB (242 words) - 18:07, 21 November 2021
• Framer Sink 1
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (224 words) - 14:26, 11 September 2019
• P1 Symbol Insertion
  [[Category:Block Docs]] ; Block definition
  1 KB (173 words) - 12:03, 20 December 2021
• LDPC Encoder Definition (via Parity Check)
  [[Category:Block Docs]] This block creates a LDPC Encoder Definition variable.
  2 KB (323 words) - 10:53, 7 June 2022
• Tone Reservation PAPR
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (226 words) - 13:29, 11 September 2019
• QT GUI Fast Auto-Correlator Sink
  This block uses the Wiener Khinchin theorem that the FFT of a signal's power spectrum ; Block definition
  1 KB (185 words) - 19:31, 14 November 2020
• Stream CRC32
  [[Category:Block Docs]] Byte-stream CRC block.
  1 KB (256 words) - 06:42, 27 January 2022
• Constellation Receiver
  [[Category:Block Docs]] This block makes hard decisions about the received symbols (using a constellation obje
  793 bytes (115 words) - 15:56, 4 December 2021
• Fractional Resampler
  [[Category:Block Docs]] ; Block definition
  2 KB (230 words) - 03:12, 4 February 2021
• FreeDV modulator
  ; Block definition [[Category:Block Docs]]
  1 KB (162 words) - 02:48, 10 December 2020
• FMComms2/3/4 Source
  <!-- /dcs/local/share/gnuradio/grc/blocks/iio_fmcomms2_source.block.yml --> ; Block definition
  2 KB (275 words) - 15:36, 31 October 2023
• CTCSS Squelch
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (200 words) - 21:06, 28 November 2020
• BBheader
  [[Category:Block Docs]] Part of the DVB block set. Formats MPEG-2 Transport Stream packets into FEC baseband frames and
  720 bytes (101 words) - 12:06, 20 December 2021
• AGC3
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  2 KB (267 words) - 04:47, 21 October 2022
• QT GUI Number Sink
  [[Category:Block Docs]] ...simply samples a value in the data stream based on the update time of this block.
  2 KB (318 words) - 22:18, 19 April 2020
• Vector Sink
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (236 words) - 12:13, 26 October 2022
• Frequency Interleaver
  [[Category:Block Docs]] ; Block definition
  1 KB (168 words) - 12:32, 20 December 2021
• Reference Signals
  [[Category:Block Docs]] ; Block definition
  1 KB (174 words) - 00:57, 1 December 2020
• RFNoC SigGen Block
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_rfnoc_siggen.block.yml --> RFNoC SigGen Block:
  4 KB (520 words) - 18:37, 31 October 2023
• QT GUI Graphic Overlay Sample Source
  This block is an example of how to feed an overlay to a graphic item. The graphic ite ...block sends either a dictionary or list of dictionaries to the graphicitem block. To test updating a single overlay item, you can use a list with the same
  2 KB (255 words) - 01:09, 16 November 2020
• Wav File Source
  [[Category:Block Docs]] This flowgraph shows a Wav File Source block producing pre-recorded radioteletype signals.
  1 KB (222 words) - 10:34, 26 June 2022
• RFNoC RX Radio
  <!-- /dcs/local/share/gnuradio/grc/blocks/uhd_rfnoc_rx_radio.block.yml --> ;Block Args
  2 KB (319 words) - 15:40, 2 November 2023
• Transcendental
  [[Category:Block Docs]] A block that performs various transcendental math operations.
  2 KB (302 words) - 19:32, 31 December 2021
• QT GUI Video Display
  [[Category:Block Docs]] The Video Display block relies on the following dependencies and plugins:
  2 KB (241 words) - 20:33, 16 July 2023
• ZMQ REP Sink
  [[Category:Block Docs]] This block acts a a streaming sink for a GNU Radio flowgraph and writes its contents t
  2 KB (288 words) - 15:27, 26 March 2020
• PDU Lambda
  ...will be applied to the python-ified value associated with the PMT key the block is configured with.</p> <p>These should also be imported in the flowgraph implementing this block (if utilized). Exceptions during the function call will be caught and print
  2 KB (301 words) - 12:13, 14 December 2021
• NBFM Transmit
  [[Category:Block Docs]] ...a signal source feeding a Narrow Band FM modulator driving a PlutoSDR Sink block.
  1 KB (190 words) - 02:09, 25 May 2020
• Add System Time
  This block adds a user specified key to PDU dict containing the boost system time in s ; Block definition
  1 KB (207 words) - 15:50, 13 December 2021
• WBFM Transmit
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  1 KB (219 words) - 10:46, 10 August 2019
• Message Debug
  Debug block for the message passing system. ...message port to one or more of the three message input ports of this debug block.
  3 KB (514 words) - 13:15, 18 May 2023
• Noise Source
  [[Category:Block Docs]] ; Block definition
  1 KB (170 words) - 17:21, 5 March 2024
• CVSD Encoder
  [[Category:Block Docs]] ; Block definition
  1 KB (156 words) - 15:29, 27 October 2023
• Packed to Unpacked
  [[Category:Block Docs]] The combination of this block followed by [[Chunks to Symbols]] handles the general case of mapping from
  2 KB (274 words) - 08:42, 11 August 2022
• Xor
  [[Category:Block Docs]]
  364 bytes (57 words) - 23:00, 27 December 2019
• TPC Encoder Definition
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  2 KB (266 words) - 20:09, 8 August 2023
• QT GUI Msg CheckBox
  This block creates a variable checkbox. Leave the label blank to use the variable id a ; Block definition
  2 KB (217 words) - 17:10, 8 November 2020
• Or
  [[Category:Block Docs]]
  400 bytes (61 words) - 23:00, 27 December 2019
• Additive Scrambler
  [[Category:Block Docs]] This block scrambles up to 8 bits per byte of the input data stream, starting at the L
  2 KB (286 words) - 16:00, 27 December 2019
• Cell/Time Interleaver
  [[Category:Block Docs]] ; Block definition
  1 KB (144 words) - 12:26, 20 December 2021
• Moving Average
  [[Category:Block Docs]] In its default parameters, the block actually computes a moving sum.
  2 KB (282 words) - 12:31, 18 December 2021
• QT GUI Graphic Item
  This block displays the selected graphic item. You can pass a filename as a string in ; Block definition
  1 KB (215 words) - 01:58, 16 November 2020
• Phase Shift
  This block will phase shift the input signal by the specified phase by multiplying the If degrees are provided, the block automatically handles the conversion.
  3 KB (470 words) - 01:50, 13 April 2024
• CVSD Decoder
  [[Category:Block Docs]] ; Block definition
  1 KB (161 words) - 15:29, 27 October 2023
• QT GUI Toggle Switch
  This block creates a modern toggle switch. The variable will take on one value or the ; Block definition
  2 KB (230 words) - 16:01, 24 October 2021
• TPC Decoder Definition
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  2 KB (271 words) - 20:10, 8 August 2023
• Packet Sink
  [[Category:Block Docs]] ...nymore as it only works with 2-level modulations such as BPSK or GMSK. The block can generally be replaced with a correlate access code and frame sink block
  2 KB (272 words) - 04:20, 3 August 2019
• Fading Model
  [[Category:Block Docs]] This block implements a basic fading model simulator that can be used to help evaluate
  2 KB (240 words) - 12:16, 19 December 2021
• Inner Coder
  [[Category:Block Docs]] ; Block definition
  1 KB (154 words) - 00:52, 1 December 2020
• Continuous Phase Modulation
  [[Category:Block Docs]] The input of this block are symbols from an M-ary alphabet +/-1, +/-3, ..., +/-(M-1). Usually, M =
  2 KB (301 words) - 08:59, 23 April 2024
• BER
  [[Category:Block Docs]] This block measures the bit error rate between two streams of packed data. It compares
  2 KB (382 words) - 01:51, 11 February 2024
• ZMQ PUB Sink
  [[Category:Block Docs]] ...ata to each subscriber. Subscribers can be either another gr-zeromq source block or a non-GNU Radio ZMQ socket.
  2 KB (281 words) - 12:18, 14 April 2020
• High-pass Filter Taps
  [[Category:Block Docs]] : Similar to the [[Variable]] block, the ID will hold the values generated.
  902 bytes (135 words) - 22:56, 4 March 2021
• Low-pass Filter Taps
  [[Category:Block Docs]] : Similar to the [[Variable]] block, the ID will hold the values generated.
  900 bytes (135 words) - 22:58, 4 March 2021
• Frequency Mod
  [[Category:Block Docs]] This block is an input amplitude controlled complex sine. It outputs a signal, which
  2 KB (301 words) - 15:03, 4 April 2024
• QT GUI Az-El Plot
  This block creates a polar plot with azimuth represented as the angle clockwise around ; Block definition
  1 KB (209 words) - 01:59, 17 November 2020
• CRC Check
  [[Category:Block Docs]] <!-- TODO: add block image -->
  2 KB (378 words) - 14:12, 1 March 2023
• VCO (complex)
  [[Category:Block Docs]] ; Block definition
  1 KB (200 words) - 13:29, 13 April 2024
• Complex To Float
  [[Category:Block Docs]]
  355 bytes (56 words) - 04:25, 21 July 2019
• PLL Carrier Regeneration
  [[Category:Block Docs]] ; Block definition
  1 KB (159 words) - 12:40, 18 May 2023
• Plateau Detector
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  2 KB (284 words) - 16:12, 4 September 2019
• Tags To PDU
  ; Block definition ...ttps://github.com/gnuradio/gnuradio/blob/master/gr-pdu/grc/pdu_tags_to_pdu.block.yml]
  2 KB (221 words) - 11:28, 23 May 2022
• QT GUI Chooser
  This block creates a variable with enumerated options. The gui widget is implemented a This shows the QT GUI Chooser block and how it looks in the output.
  2 KB (311 words) - 15:37, 18 May 2022
• Message Strobe Random-Delay
  [[Category:Block Docs]] ; Block definition
  1 KB (176 words) - 15:48, 28 February 2020
• CRC Append
  [[Category:Block Docs]] The CRC Append block receives a PDU, calculates the CRC of the PDU data, appends it to the PDU,
  2 KB (343 words) - 14:11, 1 March 2023
• ZMQ PULL Source
  [[Category:Block Docs]] This block will connect to a ZMQ PUSH socket, then produce all incoming messages as st
  2 KB (378 words) - 11:11, 3 February 2023
• LMS DD Equalizer
  [[Category:Block Docs]] This block implements an LMS-based decision-directed equalizer.
  3 KB (406 words) - 15:32, 8 April 2020
• MPSK SNR Estimator Probe
  [[Category:Block Docs]] ...of a tag, which can be outputted to the console using a [[Message Debug]] block.
  3 KB (429 words) - 22:58, 14 December 2020
• QT GUI Compass
  This block takes an angle in degrees as input and displays it on a compass dial.<br> ; Block definition
  2 KB (233 words) - 18:59, 9 November 2020
• Pack K Bits
  [[Category:Block Docs]] This block takes in K bytes at a time, and uses the least significant bit to form a ne
  2 KB (269 words) - 13:23, 25 April 2023
• DC Blocker
  [[Category:Block Docs]] This block implements a computationally efficient DC blocker that produces a tighter n
  2 KB (327 words) - 04:12, 20 July 2019
• FFT
  [[Category:Block Docs]] This block takes in a vector of floats or complex values and calculates the [https://e
  3 KB (453 words) - 19:38, 26 May 2022
• Options
  ...options block sets special parameters for the flow graph. Only one option block is allowed per flow graph. The id of this block determines the name of the generated file and the name of the class. For ex
  3 KB (409 words) - 18:48, 6 January 2024
• Low Pass Filter
  [[Category:Block Docs]] This flowgraph shows a Low Pass Filter block.
  969 bytes (137 words) - 12:18, 30 October 2019
• Burst Tagger
  [[Category:Block Docs]] Sets a burst on/off tag based on the value of the trigger input. This block takes two inputs, a signal stream on the input stream 0 and a trigger strea
  2 KB (240 words) - 22:07, 9 September 2021
• QT GUI Toggle Button
  This block creates a variable toggle button. Leave the label blank to use the variable ; Block definition
  2 KB (248 words) - 10:27, 18 November 2022
• Constellation Soft Decoder
  [[Category:Block Docs]]
  589 bytes (85 words) - 03:05, 15 July 2019
• RRC Filter Taps
  [[Category:Block Docs]] ; Block definition
  1 KB (178 words) - 15:29, 4 April 2023
• ZMQ PUSH Sink
  [[Category:Block Docs]] ...essages to each connected ZMQ PULL socket, either another gr-zeromq source block or a regular, non-GNU Radio ZMQ socket.
  2 KB (350 words) - 11:11, 3 February 2023
• GFSK Demod
  [[Category:Block Docs]] Hierarchical block for Gaussian Frequency Shift Key (GFSK) demodulation.
  2 KB (300 words) - 17:45, 4 April 2022
• Polyphase Synthesizer
  [[Category:Block Docs]]
  591 bytes (80 words) - 18:43, 4 September 2019
• Band-reject Filter Taps
  [[Category:Block Docs]] : Similar to the [[Variable]] block, the ID will hold the values generated.
  967 bytes (145 words) - 22:54, 4 March 2021
• Power Squelch
  [[Category:Block Docs]] This will either pass the input unchanged, or block it, depending on whether its envelope is over a certain threshold. The enve
  3 KB (524 words) - 10:23, 14 March 2022
• Linear Equalizer
  [[Category:Digital Docs]] [[Category:Block Docs]]
  3 KB (389 words) - 19:29, 18 October 2023
• Channel Model 2
  [[Category:Block Docs]] This block implements a basic channel model simulator that can be used to help evaluat
  3 KB (401 words) - 23:41, 27 August 2023
• CMA Equalizer
  [[Category:Block Docs]] ; Block definition
  1 KB (208 words) - 21:38, 26 November 2020
• Frequency Selective Fading Model
  [[Category:Block Docs]] This block implements a basic fading model simulator that can be used to help evaluate
  2 KB (346 words) - 19:41, 14 January 2024
• Correlate Access Code - Tag
  This block replaces [[Correlate_Access_Code]]. This block annotates the input stream with tags. The tags have key name [tag_name], sp
  4 KB (632 words) - 20:17, 3 May 2024
• Complex To IChar
  [[Category:Block Docs]]
  499 bytes (78 words) - 04:25, 21 July 2019
• ZMQ SUB Source
  [[Category:Block Docs]] This block will connect to a ZMQ PUB socket, then produce all incoming messages as str
  2 KB (295 words) - 03:57, 12 August 2022
• Pilot Generator and IFFT
  [[Category:Block Docs]] ; Block definition
  1 KB (159 words) - 12:34, 20 December 2021
• QT GUI Level Gauge
  This block creates a level gauge. The value can be set either with a variable or an in ; Block definition
  2 KB (253 words) - 17:11, 13 November 2020
• Random Uniform Source
  [[Category:Block Docs]] ...ers from [[Random Source]] in the pseudorandom number generator used. This block implements the [https://xoroshiro.di.unimi.it/xoroshiro128plus.c XOROSHIRO1
  2 KB (312 words) - 16:08, 13 January 2022
• OFDM Frame Equalizer
  [[Category:Block Docs]] ...tual equalization is done by a ofdm_frame_equalizer object, outside of the block.
  2 KB (324 words) - 02:45, 30 November 2020
• Default Header Format Obj.
  [[Category:Block Docs]] ...ator does not calculate or append a CRC to the packet. Use the CRC32 Async block for that before adding the header. The header's length will then measure th
  2 KB (282 words) - 13:53, 12 November 2021
• Band-pass Filter Taps
  [[Category:Block Docs]] : Similar to the [[Variable]] block, the ID will hold the values generated.
  1 KB (159 words) - 08:42, 27 April 2023
• Decimating FIR Filter
  [[Category:Block Docs]] ; Block definition
  1 KB (224 words) - 15:21, 27 October 2023
• Adaptive Algorithm
  [[Category:Block Docs]] ; Block definition
  2 KB (208 words) - 13:11, 27 October 2021
• Video SDL Sink
  [[Category:Block Docs]] ; Block definition
  2 KB (276 words) - 18:03, 26 September 2023
• QT GUI Bercurve Sink
  ...creates a plot of Bit Error Rate versus Signal to Noise ratio (ES/No). The block calculates the BER itself internally by comparing the original data (pre-di ...lect "Toggle Sink Bus". This mode matches the output of a "BER Curve Gen." block. See the example flowgraph below.
  2 KB (372 words) - 13:48, 19 April 2020
• Remove DC Spike AutoSync
  This block removes the center frequency IQ DC spike with a slight variation from the R ...dapting. Note that there is no initial syncing message (this is assumed on block start so downstream blocks that are interested should make the same assumpt
  2 KB (327 words) - 12:00, 10 January 2022
• Correlate Access Code - Tag Stream
  [[Category:Block Docs]] This block searches for the given access code by slicing the soft decision symbol inpu
  3 KB (555 words) - 16:29, 15 February 2024
• FEC Async Encoder
  [[Category:Block Docs]] ...ort this, the encoder variable used will have had its frame_size set. This block treats that initial frame_size value as the maximum transmission unit (MTU)
  3 KB (494 words) - 05:43, 26 January 2022
• OFDM Serializer
  [[Category:Block Docs]] This is the inverse block to the [[OFDM Carrier Allocator]]. It outputs the complex data symbols as a
  2 KB (364 words) - 15:10, 3 August 2023
• Channel Model
  [[Category:Block Docs]] ; Block Tag Propagation
  2 KB (333 words) - 14:49, 9 December 2023
• QT GUI Vector Sink
  [[Category:Block Docs]] ; Block definition
  2 KB (238 words) - 20:28, 30 April 2020
• File Source
  [[Category:Block Docs]] ...fied file. This file can be a file that was captured using a [[File Sink]] block, generated with a computer program or saved from an audio editor such as Au
  2 KB (334 words) - 08:43, 27 April 2023
• QT GUI Constellation Sink
  [[Category:Block Docs]]
  719 bytes (108 words) - 17:27, 13 May 2024
• PLL Carrier Tracking
  [[Category:Block Docs]] * This block seems to require an input signal of at least -30db in order to lock to the
  2 KB (270 words) - 11:17, 1 June 2023
• Puncture
  [[Category:Block Docs]] For a given block of input samples of puncsize, the items
  3 KB (462 words) - 09:07, 12 September 2019
• Correlate Access Code
  [[Category:Block Docs]] :The first eight <code>1</code> bits in a row from the block's input stream will correctly detect the first access code. The first pack
  3 KB (560 words) - 23:13, 30 December 2020
• Tagged Stream Mux
  [[Category:Block Docs]] ; Block definition
  2 KB (269 words) - 11:13, 26 January 2022
• Band Pass Filter
  [[Category:Block Docs]] This flowgraph shows the use of a Band Pass Filter block. This is a working AM broadcast band receiver.
  1 KB (173 words) - 03:18, 25 November 2022
• Depuncture
  [[Category:Block Docs]] Depuncture a given block of input samples of . The items produced is based on the pattern. Basically
  2 KB (390 words) - 00:21, 18 August 2019
• GFSK Mod
  [[Category:Block Docs]] Hierarchical block for Gaussian Frequency Shift Key (GFSK) modulation.
  3 KB (422 words) - 17:34, 29 March 2022
• Threshold
  [[Category:Block Docs]] ; Block definition
  2 KB (250 words) - 00:49, 7 January 2022
• Vector Source
  [[Category:Block Docs]] This block produces a stream of samples based on an input vector. In C++, this is a st
  3 KB (469 words) - 18:44, 14 May 2024
• Frequency Selective Fading Model2
  [[Category:Block Docs]] This block implements a basic fading model simulator that can be used to help evaluate
  3 KB (388 words) - 19:42, 14 January 2024
• Season of Docs Project Ideas List
  '''Contact info''': For more information about our organization's Season of Docs, please email Marc at marcll@vt.edu ...work with Marc as he creates the "One page per block" section of the User docs, inspired by MATLAB's documentation
  1 KB (218 words) - 17:01, 18 April 2019
• CCSDS Encoder Definition
  [[Category:Block Docs]] ...ream block, this setting becomes the maximum allowable frame size that the block may process.
  3 KB (418 words) - 14:42, 4 April 2023
• QT GUI Tab Widget
  [[Category:Block Docs]] This block creates a tabbed widget to organize other widgets. The ID of this block can be used as the tab_id in the GUI hints of other widgets.
  2 KB (309 words) - 14:38, 9 June 2020
• Exporting Usage Manual
  One of the issues people raised with moving the non-block/function/class specific documentation from Doxygen to this wiki is that peo # Make sure the two versions match, see [https://firefox-source-docs.mozilla.org/testing/geckodriver/geckodriver/Support.html this table]
  4 KB (589 words) - 03:28, 13 March 2019
• GNU Radio 4.0 Preliminary Code Review
  ...have a good solution for making this out of tree but still cohesive (same block with multiple impl) ; Block API
  2 KB (361 words) - 16:37, 6 April 2022
• QT GUI Waterfall Sink
  [[Category:Block Docs]]
  743 bytes (123 words) - 03:13, 15 July 2019
• FEC Async Decoder
  [[Category:Block Docs]] ...ort this, the decoder variable used will have had its frame_size set. This block treats that initial frame_size value as the maximum transmission unit (MTU)
  3 KB (496 words) - 00:19, 22 December 2021
• Rational Resampler Base
  [[Category:Block Docs]] ...o have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
  3 KB (419 words) - 15:31, 11 September 2019
• UDP Sink
  This block provides basic UDP data transmission capabilities with a few additional fea ...dresses. If an IPv6 address is detected as the destination IP address, the block will automatically adjust for proper connection. Just make sure your IPv6
  3 KB (407 words) - 14:51, 22 February 2023
• Random Source
  [[Category:Block Docs]] This block differs from [[Random Uniform Source]]:
  3 KB (441 words) - 05:52, 20 January 2022
• Unpacked to Packed
  [[Category:Block Docs]]
  631 bytes (104 words) - 14:42, 6 June 2020
• Frequency Xlating FIR Filter
  [[Category:Block Docs]] ...y downsamples the signal via a decimating FIR filter. The main use of this block is an effective channelizer, to pull out a narrowband portion of a wideband
  4 KB (636 words) - 21:56, 1 March 2023
• FFT Filter
  [[Category:Block Docs]] This block implements a decimating filter using the fast convolution method via an FFT
  3 KB (495 words) - 16:17, 31 March 2022
• Costas Loop
  [[Category:Block Docs]] The block uses 'phase_est' tag generated by the [[Correlation Estimator]]. This helps
  2 KB (331 words) - 15:02, 9 December 2023
• OFDM Cyclic Prefixer
  [[Category:Block Docs]] ; Block definition
  2 KB (293 words) - 13:26, 23 November 2022