Leaner Fourier transforms
December 11, 2013New algorithm can separate signals into their individual frequencies using a minimal number of samples.
Toward practical compressed sensing
February 1, 2013Researchers show how the vagaries of real-world circuitry affect the performance of a promising new technique in signal processing and imaging.
Faster fourier transform named one of world’s most important emerging technologies
May 7, 2012
The faster-than-fast Fourier transform
January 18, 2012For a large range of practically useful cases, MIT researchers find a way to increase the speed of one of the most important algorithms in the information sciences.
Explained: The Discrete Fourier Transform
November 25, 2009The theories of an early-19th-century French mathematician have emerged from obscurity to become part of the basic language of engineering.