https://github.com/laszlokorte/frftjs

Fast Fractional Fourier Transform in JavaScript
https://github.com/laszlokorte/frftjs

Last synced: about 19 hours ago
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Fast Fractional Fourier Transform in JavaScript

• Host: GitHub
• URL: https://github.com/laszlokorte/frftjs
• Owner: laszlokorte
• Created: 2023-12-29T15:35:04.000Z (10 months ago)
• Default Branch: main
• Last Pushed: 2024-01-24T19:17:40.000Z (10 months ago)
• Last Synced: 2024-04-09T23:06:25.749Z (7 months ago)
• Language: JavaScript
• Size: 6.84 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Fast Fractional Fourier Transform in JavaScript

expects signal as array of shape `[[re, im], [re, im], [re, im], ...]` with the length being an integer power of 2.

Base on https://nalag.cs.kuleuven.be/research/software/FRFT/ which in turn is based on:

* R. Tao, G. Liang, X. Zhao.

An efficient FPGA-based implementation of fractional Fourier transform algorithm.

J. Signal Processing Systems, 60(1):47--58, 2010. DOI 10.1007/s11265-009-0401-0

* A. Bultheel.

A two-phase implementation of the fractional Fourier transform.

Report TW 588, Dept. Computer Science, K.U.Leuven, March 2011.