Quanta Magazine

Networks Hold the Key to a Decades-Old Problem About Waves

Mathematicians are still trying to understand fundamental properties of the Fourier transform, one of their most ubiquitous ...
Hackaday

Why Diffraction Gratings Create Fourier Transforms

When last we saw [xoreaxeax], he had built a lens-less optical microscope that deduced the structure of a sample by recording ...
Hackaday

What Is The Fourier Transform?

Over at Quanta Magazine [Shalma Wegsman] asks What Is the Fourier Transform? [Shalma] begins by telling you a little about Joseph Fourier, the French mathematician with an interest in heat propagation ...
The Verge

MIT researchers could speed up file compression using an improved Fourier transform algorithm

A group of MIT researchers believe they’ve found a way to speed up audio, video, and image compression by improving on the Fourier Transform. They say the new algorithm is up to ten times faster than ...
EDN

The practicing instrumentation engineer’s guide to the DFT – Part 1: Understand DFT and FFT implementations

There are many books and articles on the Fourier Transform and its implementation available. A quick survey of these resources shows that they are not geared to the needs of the “Practicing ...
Nature

Sparse Fourier Transform Algorithms

Sparse Fourier Transform (SFT) algorithms constitute a transformative approach to spectral analysis by leveraging the inherent sparsity of signals in the frequency domain. In contrast to the ...
EDN

Spectral analysis and modulation, part 1: The DFT and FFT

This series is excerpted from “Digital Signal Processingand Applications, 2nd Edition.” Order this book today at www.newnespress.comor by calling 1-800-545-2522 and receive a 20% discount! Use ...
AZOM

Fourier Transform Infrared Spectroscopy - An Introduction

insights from industryDr. Andrew DaviesApplications SpecialistSpecac Ltd. In this interview, AZoM talks to Dr. Andrew Davies, an applications specialist at Specac Ltd., about Specac and their FTIR ...