EDN

FFT Algorithm Based Audio Spectrum Analyzer

This audio spectrum analyzer utilizes an ARM7 LPC2138 microcontroller to create an FFT algorithm while performing digital signal processing without the use of special DSP processor. This audio ...
JSTOR Daily

The FFT as a Multigrid Algorithm

This is a preview. Log in through your library . Abstract Apart from the fact that they are both ingenious and remarkably efficient, there would appear to be little kinship between fast Fourier ...
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 ...
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 ...