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[[Category:Block Docs]]
 
[[Category:Block Docs]]
Interpolating FIR filter with various I/O and taps types.
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[[Category:Stub Docs]]
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This is the template for the [[:Category:Block_Docs|"Page-per-block Docs"]].  This first section should describe what the block does and how to use it, using however many paragraphs necessary.  Note that the title of the wiki page should match the block's name in GRC, i.e. the one defined in the block's .grc file.  Look at the [[FFT]] Block for a good example.
  
The block create finite impulse response (FIR) filters that perform the convolution in the time domain:
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As this is a basic template, it's also in the [[:Category:Stub_Docs|"Stub Docs category"]]. Please improve it.
    out = 0
 
    for i in ntaps:
 
      out += input[n-i] * taps[i]
 
  
 
== Parameters ==
 
== Parameters ==
 
(''R''): <span class="plainlinks">[https://wiki.gnuradio.org/index.php/GNURadioCompanion#Variable_Controls ''Run-time adjustable'']</span>
 
(''R''): <span class="plainlinks">[https://wiki.gnuradio.org/index.php/GNURadioCompanion#Variable_Controls ''Run-time adjustable'']</span>
  
; Interpolation
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; Param 1 (''R'')
: Interpolation rate
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: Description of parameter, provide any tips or recommended values.  Note that the name of the parameter above should match the param's label that shows up in grc (e.g. Sample Rate).
  
; Taps (''R'')
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; Param 2
: The taps are a C++ vector (or Python list) of values of the type specified in the type selection list. Taps can be created using the firdes or optfir tools.
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: blah blah blah
 
 
; Sample delay
 
: This delay is mostly used to adjust the placement of the tags and is not currently used for any signal processing. When a tag is passed through a block with internal delay, its location should be moved based on the delay of the block.
 
  
 
== Example Flowgraph ==
 
== Example Flowgraph ==
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; C++ files
 
; C++ files
: [https://github.com/gnuradio/gnuradio/blob/master/gr-filter/lib/interp_fir_filter_impl.cc]
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: [https://github.com/gnuradio/gnuradio TODO]
  
 
; Header files
 
; Header files
: [https://github.com/gnuradio/gnuradio/blob/master/gr-filter/lib/interp_fir_filter_impl.h]
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: [https://github.com/gnuradio/gnuradio TODO]
  
 
; Public header files
 
; Public header files
: [https://github.com/gnuradio/gnuradio/blob/master/gr-filter/include/gnuradio/filter/interp_fir_filter.h]
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: [https://github.com/gnuradio/gnuradio TODO]
  
 
; Block definition
 
; Block definition
: [https://github.com/gnuradio/gnuradio/blob/master/gr-filter/grc/filter_interp_fir_filter_xxx.block.yml]
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: [https://github.com/gnuradio/gnuradio TODO]

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