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ON THE FFT OF 1-BIT DITHER-QUANTIZED DETERMINISTIC SIGNALS

Cheded, L. and Akhtar, S. ON THE FFT OF 1-BIT DITHER-QUANTIZED DETERMINISTIC SIGNALS. IEEETEM2003.

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Abstract

Reducing the quantization resolution of the FFT input is bound to adversely affect its computational accuracy. This loss in accuracy will in turn prohibit exploiting the practical advantages that an FFT algorithm, with a coarsely-quantized input, will otherwise enjoy. This paper proposes a new theory that allows the use of coarse quantization with only a negligible effect on the FFT computational accuracy. The proposed theory is tested on deterministic signals that undergo the crudest quantization possible (i.e. 1 bit) and is very well supported by the simulation results. Finally, these results provide a strong encouragement to extend this theory to noisy signals as well as to numerous other important transforms.



Item Type:Article
Subjects:UNSPECIFIED
Creators:Cheded, L. and Akhtar, S.
Email:cheded@kfupm.edu.sa, UNSPECIFIED
ID Code:1477
Deposited By:INVALID USER
Deposited On:02 Jun 2008 11:16
Last Modified:12 Apr 2011 13:09

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