RRC Filter Taps: Difference between revisions
Jump to navigation
Jump to search
(Created page with "Category:Block Docs Category:Stub Docs This is the template for the "Page-per-block Docs". This first section should describe what the block...") |
No edit summary |
||
(5 intermediate revisions by 3 users not shown) | |||
Line 1: | Line 1: | ||
[[Category:Block Docs]] | [[Category:Block Docs]] | ||
This is a convenience wrapper for calling firdes.root_raised_cosine(). A root-raised-cosine (RRC) filter is one of the most common pulse shaping filters in digital communications systems, used to perform matched filtering. See [https://en.wikipedia.org/wiki/Root-raised-cosine_filter RRC filter at wikipedia] for more info on RRC filtering. | |||
This is | |||
== Parameters == | |||
; Gain | |||
: Overall gain of filter (default 1.0) | |||
; Sample Rate | |||
: Sample rate in samples per second. | |||
; Symbol Rate | |||
( | : Symbol rate, must be a factor of sample rate. Typically ((samples/second) / (samples/symbol)). | ||
; | ; Excess BW | ||
: | : Excess bandwidth factor, also known as alpha. (default: 0.35) | ||
; | ; Num Taps | ||
: | : Number of taps (default: 11*samp_rate). Note that the number of generated filter coefficients will be <code>num_taps + 1</code>. | ||
== Example Flowgraph == | == Example Flowgraph == | ||
This flowgraph can be found at [https://github.com/gnuradio/gnuradio/blob/master/gr-filter/examples/filter_taps.grc]. | |||
[[File:Filter_taps_fg.png|800px]] | |||
== Source Files == | == Source Files == |
Latest revision as of 15:29, 4 April 2023
This is a convenience wrapper for calling firdes.root_raised_cosine(). A root-raised-cosine (RRC) filter is one of the most common pulse shaping filters in digital communications systems, used to perform matched filtering. See RRC filter at wikipedia for more info on RRC filtering.
Parameters
- Gain
- Overall gain of filter (default 1.0)
- Sample Rate
- Sample rate in samples per second.
- Symbol Rate
- Symbol rate, must be a factor of sample rate. Typically ((samples/second) / (samples/symbol)).
- Excess BW
- Excess bandwidth factor, also known as alpha. (default: 0.35)
- Num Taps
- Number of taps (default: 11*samp_rate). Note that the number of generated filter coefficients will be
num_taps + 1
.
Example Flowgraph
This flowgraph can be found at [1].
Source Files
- C++ files
- TODO
- Header files
- TODO
- Public header files
- TODO
- Block definition
- TODO