EDN

A Simple and Efficient FFT Implementation in C++: Part II

The implemented template class recursion has P levels. Every FFT calculation process runs from level P to level 1, while the level 1 is empty (Listing Three, in part one of this article). Some ...
insideHPC

Video: An Intuitive Introduction to the Fourier Transform and FFT

In this video from PyData Seattle 2015, William Cox from Distil Networks presents: An Intuitive Introduction to the Fourier Transform and FFT. The “fast fourier transform” (FFT) algorithm is a ...
Electronic Design

FFT Brings Spectrum Analysis To The Scope

Many of today's digital oscilloscopes include fast-Fourier-transform (FFT) capability for frequency-domain analysis. This feature is especially valuable for oscilloscope users who have limited or no ...
EDN

A Simple and Efficient FFT Implementation in C++, Part I

Vlodymyr teaches at Brandenburg University of Technology, Cottbus, Germany. He can be reached at myrnyy@math.tu-cottbus.de. This article provided courtesy ofDr. Dobb’s Journal. This article describes ...