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save demodulator errors for debugging.

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Roman Zeyde
2014-07-18 16:40:36 +03:00
parent 963d2968c8
commit aec738297a
1 changed files with 7 additions and 1 deletions
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8
recv.py
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@@ -114,6 +114,11 @@ def train_receiver(symbols, freqs):
def demodulate(symbols, filters, freqs):
streams = []
symbol_list = []
errors = {}
def error_handler(received, decoded, freq):
errlist = errors.setdefault(freq, [])
errlist.append(received - decoded)
generators = split(symbols, n=len(freqs))
for freq, S in zip(freqs, generators):
@@ -124,7 +129,8 @@ def demodulate(symbols, filters, freqs):
S = icapture(S, result=equalized)
symbol_list.append(equalized)
bits = sigproc.modulator.decode(S) # list of bit tuples
freq_handler = functools.partial(error_handler, freq=freq)
bits = sigproc.modulator.decode(S, freq_handler) # list of bit tuples
streams.append(bits) # stream per frequency
log.info('Demodulation started')