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

25 Feb 2024  ·  D. F. G. Coelho, R. J. Cintra ·

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 $0, \pm \frac{1}{2}, \pm 1$.

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