This project presents a recursive Python implementation of the Radix-2 Fast Fourier Transform (FFT) algorithm in obtaining the discrete fourier transform (DFT) of a discrete set of data points whose ...

From there, another Python script filters the captured waveform, applies a window function, calculates the Fourier transform and plots the spectrum into a graph.

In this assignment you will implement two versions of the Discrete Fourier Transform (DFT). One of them will be a brute force approach that follows directly from the formula. The second one will be an ...

The Fast Fourier Transform (FFT) remains a cornerstone of digital signal processing, underpinning applications from telecommunications to medical imaging. Modern FFT processors and architectures ...

This fast discrete Walsh transform and its inverse may be used to approximate the Walsh coefficients of a function and then construct a spline interpolant of the function. This interpolant may then be ...