JSTOR Daily

Asymptotic Properties of Discrete Fourier Transforms for Spatial Data

Sankhyā: The Indian Journal of Statistics, Series A (2008-), Vol. 71, No. 2 (August 2009), pp. 221-259 (39 pages) Asymptotic distribution of the Discrete Fourier Transformation (DFT) of spatial data ...
JSTOR Daily

Implementation of the Time Variant Discrete Fourier Transform as a Real-Time Order Tracking Method

This is a preview. Log in through your library . Abstract The Time Variant Discrete Fourier Transform was implemented as a real-time order tracking method using developed software and commercially ...
Science Daily

Leaner Fourier transforms: New algorithm can separate signals into their individual frequencies using a minimal number of samples

A new algorithm performs Fourier transforms using a minimal number of samples. The fast Fourier transform, one of the most important algorithms of the 20th century, revolutionized signal processing.
Quanta Magazine

How Wavelets Allow Researchers to Transform, and Understand, Data

Built upon the ubiquitous Fourier transform, the mathematical tools known as wavelets allow unprecedented analysis and understanding of continuous signals. In an increasingly data-driven world, ...
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 ...