EDN

How to build ultra-fast floating-point FFTs in FPGAs

Engineers targeting DSP to FPGAs have traditionally used fixed-point arithmetic, mainly because of the high cost associated with implementing floating-point arithmetic. That cost comes in the form of ...
EDN

Array Processors Enable Flexibility in FFT Designs

Although it has found many uses in signal processing, the Fast Fourier Transform (FFT) has taken on even more importance as a fundamental part of the algorithms used for communications protocols based ...
Design-Reuse

FPGAs: Embedded Apps : FPGA-based FFT engine handles four times more input data

Rodger Hosking, Vice President, Richard Kuenzler, Engineer, Pentek Inc., Upper Saddle River, N.J. For years, field-programmable gate array (FPGA) technology has been a major cornerstone of board-level ...
Design-Reuse

OptNgn Delivers 2D-FFT FPGA Library Elements for use in Imaging and DSP applications

Portland, Oregon -- October 1, 2010-- At processing rates of up to 306 complex mega pixels per second (Mpps), the new OptNgn 2DFFT FPGA library elements are the perfect choice for inexpensive, low ...
New Electronics

Compression breakthrough ‘faster than FFT’ claim MIT researchers

Researchers from MIT have developed a new algorithm designed to improve on the fast Fourier transform (FFT) in a large number of cases. The discovery paves the way for smartphones to wirelessly ...