Compute the one-dimensional discrete Fourier Transform. https://docs.scipy.org/doc/numpy-1.15.0/reference/generated/numpy.fft.fft.html#numpy.fft.fft
Compute the one-dimensional discrete Fourier Transform.
https://docs.scipy.org/doc/numpy-1.15.0/reference/generated/numpy.fft.fft.html#numpy.fft.fft