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Fix QAM encoding ant test

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Roman Zeyde
2014-06-25 20:59:19 +03:00
committed by Roman Zeyde
parent 55227a75fd
commit 485558d0d7
1 changed files with 10 additions and 5 deletions
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15
sigproc.py
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@@ -49,7 +49,8 @@ class QAM(object):
def encode(self, bits):
trailing_bits = len(bits) % self.bits_per_symbol
bits = bits + [0] * (self.bits_per_symbol - trailing_bits)
if trailing_bits:
bits = bits + [0] * (self.bits_per_symbol - trailing_bits)
for i in range(0, len(bits), self.bits_per_symbol):
s = self._enc[ tuple(bits[i:i+self.bits_per_symbol]) ]
yield s
@@ -62,8 +63,12 @@ class QAM(object):
modulator = QAM(bits_per_symbol=4, radii=[0.6, 1.0])
class Resampler(object):
def __init__(self, factor, )
def test():
q = QAM(bits_per_symbol=2)
bits = [1,1, 0,1, 0,0, 1,0]
S = qpsk.encode(bits)
assert list(qpsk.decode(list(S))) == bits
q = QAM(bits_per_symbol=8, radii=[0.25, 0.5, 0.75, 1.0])
bits = [(1,1,0,1,0,0,1,0)]
S = q.encode(bits)
res = list(q.decode(list(S)))
assert res == bits, (res)