PFB code from others.

applications/lofar2/model/pfb_bunton/Gen_filter12.m

applications/lofar2/model/pfb_bunton/README.txt

applications/lofar2/model/pfb_bunton/polyphase_analysis.m

applications/lofar2/model/pfb_bunton/polyphase_synthesis_b.m

applications/lofar2/model/pfb_bunton/reconstruct.m

applications/lofar2/model/pfb_comoretto/fft_auto.m

applications/lofar2/model/pfb_comoretto/plot_poly_spect.m

applications/lofar2/model/pfb_comoretto/poly_real.m

...2/model/pfb_morrison/Morrison_OS-PFB_invert_by_FFT_V1.zip

applications/lofar2/model/pfb_morrison/PFB_channelizer.m

applications/lofar2/model/pfb_morrison/design_PFB.m

applications/lofar2/model/pfb_morrison/fine_chan_proc.m

applications/lofar2/model/pfb_morrison/gen_test_vector.m

applications/lofar2/model/pfb_morrison/invert.m

applications/lofar2/model/pfb_morrison/test_PFB_inversion.m

applications/lofar2/model/pfb_sarod/polyphase_spec_leak.m

.../lofar2/model/pfb_stemerdink/polyphase_demo_unquantized.m