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 [email protected]. This article provided courtesy ofDr. Dobb’s Journal. This article describes ...
Hindustan Times

This 60-year-old algorithm made modern tech possible, from CT scans to AI to apps on your phone

It’s not often one algorithm shapes the entire arc of modern technology, but the Fast Fourier Transform (FFT) has done exactly that. Created by researchers at Princeton University and IBM in the early ...
datanami.com

Sparse Fourier Transform Gives Stream Processing a Lifeline from the Coming Data Deluge

When James Cooley and John Tukey introduced the Fast Fourier transform in 1965, it revolutionized signal processing and set us on course to an array of technological breakthroughs. But today’s ...
Design-Reuse

High-performance Low-memory Mixed Radix FFT

This FFT is an efficient implementation of the Decimation in Frequency (DIF) Cooley-Tukey FFT. Using low FPGA/ASIC resources and a high clock speed, t ...
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 ...