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recv: fix prefix slicing

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Roman Zeyde
2014-09-03 18:12:35 +03:00
parent 3dc25a9df0
commit 4b66475206
1 changed files with 2 additions and 2 deletions
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amodem/recv.py
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@@ -95,12 +95,12 @@ class Receiver(object):
def _prefix(self, sampler, freq, gain=1.0, skip=5):
symbols = dsp.Demux(sampler, [freq])
S = common.take(symbols, len(train.prefix)).squeeze() * gain
sliced = np.round(S)
sliced = np.round(np.abs(S))
self.plt.figure()
self.plt.subplot(121)
self._constellation(S, sliced, 'Prefix')
bits = np.array(np.abs(sliced), dtype=int)
bits = np.array(sliced, dtype=int)
self.plt.subplot(122)
self.plt.plot(np.abs(S))
self.plt.plot(train.prefix)