diff options
Diffstat (limited to 'gr-analog/python/analog/am_demod.py')
| -rw-r--r-- | gr-analog/python/analog/am_demod.py | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/gr-analog/python/analog/am_demod.py b/gr-analog/python/analog/am_demod.py index 3459e825f4..eeb8964f34 100644 --- a/gr-analog/python/analog/am_demod.py +++ b/gr-analog/python/analog/am_demod.py @@ -1,3 +1,4 @@ +from __future__ import unicode_literals # # Copyright 2006,2007,2012 Free Software Foundation, Inc. # @@ -39,22 +40,22 @@ class am_demod_cf(gr.hier_block2): audio_stop: audio low pass filter stop frequency (float) """ def __init__(self, channel_rate, audio_decim, audio_pass, audio_stop): - gr.hier_block2.__init__(self, "am_demod_cf", - gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature - gr.io_signature(1, 1, gr.sizeof_float)) # Input signature + gr.hier_block2.__init__(self, "am_demod_cf", + gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature + gr.io_signature(1, 1, gr.sizeof_float)) # Input signature - MAG = blocks.complex_to_mag() - DCR = blocks.add_const_ff(-1.0) + MAG = blocks.complex_to_mag() + DCR = blocks.add_const_ff(-1.0) - audio_taps = filter.optfir.low_pass(0.5, # Filter gain + audio_taps = filter.optfir.low_pass(0.5, # Filter gain channel_rate, # Sample rate audio_pass, # Audio passband audio_stop, # Audio stopband - 0.1, # Passband ripple - 60) # Stopband attenuation - LPF = filter.fir_filter_fff(audio_decim, audio_taps) + 0.1, # Passband ripple + 60) # Stopband attenuation + LPF = filter.fir_filter_fff(audio_decim, audio_taps) - self.connect(self, MAG, DCR, LPF, self) + self.connect(self, MAG, DCR, LPF, self) class demod_10k0a3e_cf(am_demod_cf): """ @@ -68,6 +69,6 @@ class demod_10k0a3e_cf(am_demod_cf): audio_decim: input to output decimation rate (integer) """ def __init__(self, channel_rate, audio_decim): - am_demod_cf.__init__(self, channel_rate, audio_decim, - 5000, # Audio passband - 5500) # Audio stopband + am_demod_cf.__init__(self, channel_rate, audio_decim, + 5000, # Audio passband + 5500) # Audio stopband |