Theoretical and experimental investigation in the quality of reconstructed signals from degraded Fourier transform phase

Asoke Kumar Nandi

doi:10.1117/12.19681

1 October 1990 Theoretical and experimental investigation in the quality of reconstructed signals from degraded Fourier transform phase

Asoke Kumar Nandi

Author Affiliations +

Proceedings Volume 1249, Human Vision and Electronic Imaging: Models, Methods, and Applications; (1990) https://doi.org/10.1117/12.19681
Event: Electronic Imaging: Advanced Devices and Systems, 1990, Santa Clara, CA, United States

Abstract

Through a series of experiments with one dimensional signals, this paper explores the effects of various degrees of phase degradation for different lengths of sequences and for different choices in the set of sampling frequencies on the quality (as measured by normalised mean-square-error - NMSE) of reconstructed signals. Details of these experiments, the results from these experiments, and some theoretical understanding are presented. The quality(NMSE) of a signal reconstructed from noisy Fourier transform (FT) phases is found to depend on, amongst other, the length of the sequence and on the choice of the set of frequencies used for sampling the FT phase.

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Asoke Kumar Nandi "Theoretical and experimental investigation in the quality of reconstructed signals from degraded Fourier transform phase", Proc. SPIE 1249, Human Vision and Electronic Imaging: Models, Methods, and Applications, (1 October 1990); https://doi.org/10.1117/12.19681

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