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fix #5

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jopohl
2016-04-20 06:45:22 +02:00
parent 68b1cfb0d6
commit 0bcc96fffa
1 changed files with 1 additions and 3 deletions
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4
src/urh/signalprocessing/Modulator.py
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@@ -214,13 +214,11 @@ class Modulator(object):
:return:
"""
# http://onlinelibrary.wiley.com/doi/10.1002/9780470041956.app2/pdf
k = range(-int(filter_width * self.samples_per_bit), int(filter_width * self.samples_per_bit)+1)
k = np.arange(-int(filter_width * self.samples_per_bit), int(filter_width * self.samples_per_bit)+1)
ts = self.samples_per_bit / self.sample_rate # symbol time
#a = np.sqrt(np.log(2)/2)*(ts/bt)
#B = a / np.sqrt(np.log(2)/2) # filter bandwidth
h = np.sqrt((2*np.pi)/(np.log(2))) * bt/ts * np.exp(-(((np.sqrt(2)*np.pi)/np.sqrt(np.log(2))*bt*k/self.samples_per_bit)**2))
h5 = (bt*k/self.samples_per_bit)
# h6 =
return h / h.sum()
@staticmethod