Joseph Fourier, born just 250 years ago, introduced a wonderful idea that revolutionised science and mathematics: any function or signal can be broken down into simple periodic sine-waves. Radio waves ...

Based on the company's HyperSpeed fast Fourier transform (FFT) technology, a block of intellectual property that implements a spectrometer makes possible advances in radio astronomical receivers that ...

This series is excerpted from “RF and Digital Signal Processing for Software-Defined Radio.” Order this book today at www.elsevierdirect.com or by calling 1-800-545-2522 and receive an additional 20% ...

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 ...

Previous articles in Planet Analog make mention of the “aliasing effect.” Most EEs agree in the importance of the aliasing effect as a noise source and take for granted that anti-aliasing filters are ...

Recently, I wrote automated test software for a multichannel data-acquisition system that I had designed, where sampled waveform accuracy and repeatability were very important. The input waveforms ...