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Two VLSI Structures for the Discrete Fourier Transform

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1 Author(s)
Bongiovanni, G. ; Istituto Matematico "G. Castelnuovo," University of Rome

Two VLSI structures for the computation of the discrete Fourier transform are presented. The first structure is a pipeline working concurrently on different transforms. It is shown that it matches, within a constant factor, the theoretical lower bounds for area versus data rate. The second structure is a simple modification of the first one; it works on a single transform at a time, and it matches within a constant factor the theoretical area-time lower bounds.

Published in:

Computers, IEEE Transactions on  (Volume:C-32 ,  Issue: 8 )