Suppose you are told that an N 32 FFT algorithm has a twiddle factor W 2 32 for one of the butterflies in its fifth (last) stage Is the FFT a decimation in time or decimation in frequency algorithm

Question: Suppose you are told that an N = 32 FFT algorithm has a twiddle factor W 2 32 for one of the butterflies in its

Suppose you are told that an N = 32 FFT algorithm has a “twiddle” factor W²₃₂ for one of the butterflies in its fifth (last) stage. Is the FFT a decimation-in-time or decimation-in-frequency algorithm?

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