Maurice Tutor

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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 15 Nov 2017 My Price 10.00

FFT algorithm

A modified FFT algorithm called the split-radix FFT, or SRFFT, was proposed by Duhamel and Hollman (1984) and Duhamel (1986). The flow graph for the split-radix algorithm is similar to the radix-2 flow graph, but it requires fewer real multiplications. In this problem, we illustrate the principles of the SRFFT for computing the DFT X[k] of a sequence x[n] of length N. (a) Show that the even-indexed terms of X[k] can be expressed as the N/2-point DF   

(d) Determine the number of real multiplications required to implement the 16-point transform when the SRFFT principle is applied to compute the other DFTs in Figure P9.45. Compare this number with the number of real multiplications required to implement a 16-point radix-2 decimation-in-frequency algorithm. In both cases, assume that multiplications by W0 N are not done.

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Maurice Tutor
(5)
Status NEW Posted 15 Nov 2017 07:11 PM My Price 10.00

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