Hierarchical Polyphase Channelizer

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 might not be in your version of GR

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 [1]

Example Output

Source Files

C++ files

TODO

Header files

TODO

Public header files

TODO

Block definition

TODO