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remove not needed except

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Roman Zeyde
2014-08-28 17:51:40 +03:00
parent 2088faf2d7
commit 564e73ed6c
1 changed files with 25 additions and 28 deletions
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53
amodem/recv.py
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@@ -249,39 +249,36 @@ def iread(fd, skip):
def main(args): def main(args):
log.info('Running MODEM @ {:.1f} kbps'.format(modem.modem_bps / 1e3))
signal = iread(args.input, args.skip)
size = 0
signal, amplitude = detect(signal, config.Fc)
bits = receive(signal, modem.freqs, gain=1.0/amplitude)
try: try:
log.info('Running MODEM @ {:.1f} kbps'.format(modem.modem_bps / 1e3)) for chunk in decode(bits):
args.output.write(chunk)
size = size + len(chunk)
except Exception:
log.exception('Decoding failed')
signal = iread(args.input, args.skip) duration = time.time() - stats['rx_start']
audio_time = stats['rx_bits'] / float(modem.modem_bps)
log.debug('Demodulated %.3f kB @ %.3f seconds (%.1f%% realtime)',
stats['rx_bits'] / 8e3, duration, 100 * duration / audio_time)
size = 0 log.info('Received %.3f kB @ %.3f seconds = %.3f kB/s',
signal, amplitude = detect(signal, config.Fc) size * 1e-3, duration, size * 1e-3 / duration)
bits = receive(signal, modem.freqs, gain=1.0/amplitude)
try:
for chunk in decode(bits):
args.output.write(chunk)
size = size + len(chunk)
except Exception:
log.exception('Decoding failed')
duration = time.time() - stats['rx_start'] pylab.figure()
audio_time = stats['rx_bits'] / float(modem.modem_bps) symbol_list = np.array(stats['symbol_list'])
log.debug('Demodulated %.3f kB @ %.3f seconds (%.1f%% realtime)', for i, freq in enumerate(modem.freqs):
stats['rx_bits'] / 8e3, duration, 100 * duration / audio_time) pylab.subplot(HEIGHT, WIDTH, i+1)
constellation(symbol_list[i], modem.qam.symbols,
'$F_c = {} Hz$'.format(freq))
log.info('Received %.3f kB @ %.3f seconds = %.3f kB/s', pylab.show()
size * 1e-3, duration, size * 1e-3 / duration)
pylab.figure()
symbol_list = np.array(stats['symbol_list'])
for i, freq in enumerate(modem.freqs):
pylab.subplot(HEIGHT, WIDTH, i+1)
constellation(symbol_list[i], modem.qam.symbols,
'$F_c = {} Hz$'.format(freq))
except Exception as e:
log.exception(e)
finally:
pylab.show()
def constellation(y, symbols, title): def constellation(y, symbols, title):