FGFS-4.1/gr-air-modes
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use dbsrx filter

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This commit is contained in:
Nick Foster 2011-06-12 00:03:57 -07:00
parent e1b3e555f8
commit ba7a6085cb
1 changed files with 3 additions and 6 deletions
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9
src/python/uhd_modes.py
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@ -92,17 +92,14 @@ class adsb_rx_block (gr.top_block):
#the DBSRX especially tends to be spur-prone; the LPF keeps out the
#spur multiple that shows up at 2MHz
#self.lpfiltcoeffs = gr.firdes.low_pass(1, rate, 1.8e6, 200e3)
#self.lpfilter = gr.fir_filter_fff(1, self.lpfiltcoeffs)
#self.filter = gr.fir_filter_fff(1, self.filtcoeffs)
#rate = int(2e6)
self.lpfiltcoeffs = gr.firdes.low_pass(1, rate, 1.8e6, 200e3)
self.lpfilter = gr.fir_filter_ccc(1, self.lpfiltcoeffs)
self.preamble = air.modes_preamble(rate, options.threshold)
#self.framer = air.modes_framer(rate)
self.slicer = air.modes_slicer(rate, queue)
self.connect(self.u, self.demod)
self.connect(self.u, self.lpfilter, self.demod)
self.connect(self.demod, self.avg)
self.connect(self.demod, (self.preamble, 0))
self.connect(self.avg, (self.preamble, 1))