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March 14, 2018 13:40
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FFT with Numpy
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| import numpy as np | |
| import matplotlib.pyplot as plt | |
| lenfft = len(sinal)/2. | |
| nyq = sampling_rate/2. | |
| freq_axis = np.linspace(0, nyq, lenfft+1) | |
| spectrum = np.abs(np.fft.rfft(sinal)) | |
| plt.plot(freq_axis, spectrum) |
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