Title

THRESHOLD ANALYSIS OF SVD-BASED ALGORITHMS.

Document Type

Conference Proceeding

Date of Original Version

1-1-1988

Abstract

The problem of analyzing the threshold effect of signal processing algorithms which use the singular-value decomposition (SVD) is addressed. The probability of obtaining an outlier is calculated and used to determine the threshold SNR at which the variance of parameter estimation errors depart from Cramer-Rao bound behavior. Simulation results using low rank approximation and linear prediction for frequency estimation verify the analysis. The same method of analysis can be applied to a broad class of parameter-estimation methods in which principal-component technique or low rank approximations to matrices are used.

Publication Title

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings

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