28 lines
804 B
Python
28 lines
804 B
Python
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#!/usr/bin/env python3
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import numpy as np
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import matplotlib.pyplot as pp
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import rrc
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pre = [1, -1, -1, 1, -1, -1, -1, -1, -1, 1, 1, 1, -1, -1, -1, -1, 1, 1, -1, 1,
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-1, -1, -1, 1, -1, 1, 1, 1, -1, 1, 1, -1, -1, -1, 1, 1, -1, 1, 1, 1, 1,
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1, 1, 1, 1, -1, -1, 1, -1, 1, -1, 1, 1, -1, 1, -1, 1, -1, -1, -1, -1,
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-1, 1, -1, 1, -1, 1, -1, -1, -1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, 1,
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-1, 1, 1, -1, 1, 1, -1, -1, -1, 1, -1, -1, -1, 1, 1, -1, 1, 1, -1, -1,
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-1, -1, 1, 1, -1, -1, 1, -1, 1, 1, -1, 1, 1, -1, 1, -1, -1, -1, -1, 1,
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1, -1, -1, 1, 1, 1, 1]
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pre_up = np.zeros(2 * len(pre) + 1)
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pre_up[1::2] = pre
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rrc_coef = rrc.rrc_design(150, 2)
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pre_flt = np.convolve(pre_up, rrc_coef, mode='same')
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print(list(pre_flt))
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pp.plot(pre_up)
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pp.plot(pre_flt)
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pp.show()
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