EDN

A Simple and Efficient FFT Implementation in C++, Part I

Vlodymyr teaches at Brandenburg University of Technology, Cottbus, Germany. He can be reached at [email protected]. This article provided courtesy ofDr. Dobb’s Journal. This article describes ...
Science Daily

Faster-than-fast Fourier transform

Researchers have developed a new algorithm that, in a large range of practically important cases, improves on the fast Fourier transform. Under some circumstances, the improvement can be dramatic -- a ...
Nature

Sparse Fourier Transform Algorithms

Sparse Fourier Transform (SFT) algorithms constitute a transformative approach to spectral analysis by leveraging the inherent sparsity of signals in the frequency domain. In contrast to the ...
Nature

Fast Fourier Transform Processors and Architectures

The Fast Fourier Transform (FFT) remains a cornerstone of digital signal processing, underpinning applications from telecommunications to medical imaging. Modern FFT processors and architectures have ...
Electronic Design

Scope FFT and waveform math functions take on RF measurements

In the process of debugging and validating both digital and RF designs, the oscilloscope Fast Fourier Transform (FFT) function and a variety of other math functions can prove valuable to designers ...
EDN

A Simple and Efficient FFT Implementation in C++: Part II

The implemented template class recursion has P levels. Every FFT calculation process runs from level P to level 1, while the level 1 is empty (Listing Three, in part one of this article). Some ...