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An improved fast Fourier transform algorithm using mixed frequency and time decimations

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1 Author(s)
K. Nakayama ; NEC Corp., Kawasaki, Japan

An improved FFT (fast Fourier transform) algorithm combining both decimations in frequency and in time is presented. Stress is placed on a derivation of general formulas for submatrices and multiplicands. Computational efficiency is briefly discussed

Published in:

IEEE Transactions on Acoustics, Speech, and Signal Processing  (Volume:36 ,  Issue: 2 )