15 lines
183 B
Python
15 lines
183 B
Python
import numpy as np
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import matplotlib.pyplot as plt
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PI = np.pi
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fs = 20000
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t = np.arange(0, 1, 1/fs)
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x = np.cos(2*PI*t/7)
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plt.plot(np.arange(0,fs), abs(np.fft.fft(s)))
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plt.show()
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