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Signal processing with higher-order spectra

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2 Author(s)
Nikias, C.L. ; Dept. of Electr. Eng.-Syst., Univ. of Southern California, Los Angeles, CA, USA ; Mendel, J.M.

The strengths and limitations of correlation-based signal processing methods are discussed. The definitions, properties, and computation of higher-order statistics and spectra, with emphasis on the bispectrum and trispectrum are presented. Parametric and nonparametric expressions for polyspectra of linear and nonlinear processes are described. The applications of higher-order spectra in signal processing are discussed.<>

Published in:

Signal Processing Magazine, IEEE  (Volume:10 ,  Issue: 3 )