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Fixed Point error analysis of Radix-4 and Radix-8 FFT algorithms

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2 Author(s)
Qadeer, S. ; MJCET, India ; Khan, M.Z.A.

In this paper the analysis of overall quantization loss for the Radix-4 and Radix-8 Fast Fourier Transform (FFT) algorithms is extended to the case where the twiddle factor word length is different from the register word length. Simulation results, that validate the theoretical analysis, are then presented.

Published in:

Multimedia, Signal Processing and Communication Technologies (IMPACT), 2011 International Conference on

Date of Conference:

17-19 Dec. 2011