Performance Analysis of Associate Radix-2, Radix-4 and Radix-8 Based SDF FFT
7 Pages Posted: 25 Nov 2020 Last revised: 7 Jan 2021
Date Written: November 20, 2020
Abstract
The FFT is enumerated as DFT and DFT accomplishes continuous application with constant preparing when the information is persistently taken care of through the processor. A radix-2 butterfly (R2B), R4B & R8B components based single-path delay feedback (SDF) technique, for diminishing the computational stages and for decreasing the equipment use than the R2B and R4B FFT has been included in this paper. The implemented SDF technique has single delay commutators at one stage without exception. N/2 point is consecutively controlled in consequence of delay component. The proposed technique has less number of multipliers and the more modest number of computational stages and butterfly components than the Radix-2 & 4 FFT.
Keywords: R2B, R4B, R8B, SDF, FFT
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