Discrete Fourier Transform – scipy.fftpack DFT is a mathematical technique which is used in converting spatial data into frequency data. FFT (Fast Fourier Transformation) is an algorithm for computing DFT FFT is applied to a multidimensional array. Frequency defines the number of signal or wavelength in particular time period. Example: Take a wave and show using Matplotlib library. we take simple periodic function example of sin(20 × 2πt) %matplotlib inline from matplotlib import pyplot as plt import numpy as np #Frequency in terms of Hertz fre = 5 #Sample rate fre_samp = 50 t = np.linspace(0, 2, 2 * fre_samp,…