- polyspectrum
- noun
полиспектр m
English-Russian Dictionary on Probability, Statistics, and Combinatorics. — Philadelphia and Moscow. Society for Industrial and Applied Mathematics and TVP Science Publishers. K. A. Borovkov. 1994.
polyspectrum
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polyspectrum — noun A higher order spectrum of a multivariate stationary time series … Wiktionary
Bispectrum — In mathematics, in the area of statistical analysis, the bispectrum is a statistic used to search for nonlinear interactions. The Fourier transform of the second order cumulant, i.e., the autocorrelation function, is the traditional power… … Wikipedia
Bicoherence — In mathematics, in the area of statistical analysis, bicoherence is a squared normalised version of the bispectrum. The bicoherence takes values bounded between 0 and 1, which make it a convenient measure for quantifying the extent of phase… … Wikipedia
