English

Discrete Fourier Transform Approximations Based on the Cooley-Tukey Radix-2 Algorithm

Signal Processing 2024-02-27 v1 Numerical Analysis Numerical Analysis Computation Methodology

Abstract

This report elaborates on approximations for the discrete Fourier transform by means of replacing the exact Cooley-Tukey algorithm twiddle-factors by low-complexity integers, such as 0,±12,±10, \pm \frac{1}{2}, \pm 1.

Cite

@article{arxiv.2402.16225,
  title  = {Discrete Fourier Transform Approximations Based on the Cooley-Tukey Radix-2 Algorithm},
  author = {D. F. G. Coelho and R. J. Cintra},
  journal= {arXiv preprint arXiv:2402.16225},
  year   = {2024}
}

Comments

Originally written in Oct 2016. Contains 55 pages, 17 figures, 4 tables

R2 v1 2026-06-28T14:59:42.116Z