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 ...
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 ...
Design-Reuse

Athena Expands Extensive FFT/DFT Processor Line

Gainesville, FL – April 30, 2013 – The Athena Group, Inc., a leading provider of high-performance, low-power signal processing IP cores, today announced the availability of multiple new FFT/DFT ...
AZOM

How is Fast Fourier Transform Used Alongside Electron Microscopy?

FFT-EM is an innovative method that represents a combination of FFT and EM techniques such as scanning electron microscopy (SEM). The technique is often used to determine the interior and surface ...
Design-Reuse

Channel Core Flex: An Advanced Channeliser for Next Generation Digital Radio Receivers

This paper discusses the relative merits of the various digital signal processing techniques used to channelise signals. ChannelCore Flex (CCF) exploits all of these strengths to provide a flexible ...
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 ...