FGFS-4.1/gr-air-modes
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Resample RTL data to 4Msps

Browse Source
This commit is contained in:
Nick Foster 2012-06-13 14:17:50 -07:00
parent 0310c3c81d
commit b7a9cfd01d
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
apps/uhd_modes.py
View File

@ -91,7 +91,7 @@ class adsb_rx_block (gr.top_block):
self.u.set_gain(options.gain)
print "Gain is %i" % self.u.get_gain()
use_lpfilt = True
use_resampler = True
else:
if options.filename is not None:
@ -115,10 +115,10 @@ class adsb_rx_block (gr.top_block):
#self.framer = air_modes.modes_framer(rate)
self.slicer = air_modes.modes_slicer(rate, queue)
if use_lpfilt:
if use_resampler:
self.lpfiltcoeffs = gr.firdes.low_pass(1, 5*rate, 1.2e6, 300e3)
self.lpfilter = gr.fir_filter_ccf(1, self.lpfiltcoeffs)
self.connect(self.u, self.lpfilter, self.demod)
self.resample = blks2.rational_resampler_ccf(interpolation=5, decimation=3, taps=self.lpfiltcoeffs)
self.connect(self.u, self.resample, self.demod)
else:
self.connect(self.u, self.demod)