RRC Filter Taps: Difference between revisions

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== 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 ==

Revision as of 22:49, 4 March 2021

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)

Example Flowgraph

This flowgraph can be found at [1].

Filter taps fg.png

Source Files

C++ files
TODO
Header files
TODO
Public header files
TODO
Block definition
TODO