How are the taps supposed to be set for Analysis Filterbank,
particularly in GRC?
–
Marcus L.
Principal Investigator, Shirleys Bay Radio Astronomy Consortium
How are the taps supposed to be set for Analysis Filterbank,
particularly in GRC?
–
Marcus L.
Principal Investigator, Shirleys Bay Radio Astronomy Consortium
Marcus
I was wondering about the same thing earlier this year. Have a look
at gr-pager/src/usrp_flex_band.py. Some of the code:
taps = gr.firdes.low_pass(1.0,
1.0,
1.0/40.00.4,
1.0/40.00.1,
gr.firdes.WIN_HANN)
if options.verbose:
print "Channel filter has", len(taps), "taps"
bank = blks2.analysis_filterbank(40, taps)
self.connect(self.src, bank)
Just remember to connect every output of the filterbank to at least
something. Otherwise none of the outputs output correct data.
Sebastiaan
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