AMES, Iowa – Something called the fast Fourier transform is running on your cell phone right now. The FFT, as it is known, is a signal-processing algorithm that you use more than you realize. It is, ...

Design linear discrete-time systems and filters and analyze their behavior. Represent continuous-time signals and linear systems in discrete time, so that such signals can be recovered in continuous ...

Issued 17 th April 2002 - RF Engines Limited (RFEL), the Isle of Wight, UK -- based signal processing specialist, has released details of its first product in its vectisâ„¢ family of multi-radix ...

RF Engines (RFEL), the Isle of Wight based signal processing specialist, has announced two contracts for 2004. Although customer names haven’t been released, the two deals are for a pipelined FFT ...

Spectrum analyzers are crucial in electronic warfare and signals intelligence, enabling detection, interception, and analysis of enemy signals to protect friendly communications and disrupt ...

A few years ago, [Artem] learned about ways to focus sound in an issue of Popular Mechanics. If sound can be focused, he reasoned, it could be focused onto a plane of microphones. Get enough ...

The Allen Telescope Array, Hat Creek Radio Observatory. Credit: Alexander Pollak. Radio interferometry is a technique in radio astronomy where signals from two or more radio telescopes are combined to ...

The linear canonical transform (LCT) is a versatile integral transform that generalises classical transforms such as the Fourier, fractional Fourier, and Fresnel transforms. By utilising four ...