Hierarchical Polyphase Channelizer

A helpful wrapper to the Polyphase Channelizer block, making it easier to use. It is written as a Python Hier block, see https://github.com/gnuradio/gnuradio/blob/master/gr-filter/python/filter/pfb.py

See Polyphase Filterbanks for more info on Polyphase Filters within GNU Radio.

Parameters

 * Number of Channels
 * The number of channels to split into.


 * Number of Filterbanks
 * The number of filterbank blocks to use (default=2).


 * Taps
 * The taps to use. If this is None then taps are generated using optfir.low_pass.


 * Output Channels
 * Which channels to output streams for (a list of integers) (default is all channels).


 * Attenuation
 * Stop band attenuation.


 * Fraction of Channel to Keep
 * The fraction of the channel you want to keep.


 * Transition Band
 * Transition band with as fraction of channel width.


 * Passband Ripple
 * Pass band ripple in dB

Example Flowgraph
This flowgraph can be found at



Source Files

 * C++ files
 * TODO


 * Header files
 * TODO


 * Public header files
 * TODO


 * Block definition
 * TODO