An Isserlis' Theorem for Mixed Gaussian Variables: Application to the Auto-Bispectral Density

被引:28
作者
Michalowicz, J. V. [1 ,2 ]
Nichols, J. M. [1 ]
Bucholtz, F. [1 ]
Olson, C. C. [1 ]
机构
[1] USN, Res Lab, Div Opt Sci, Washington, DC 20375 USA
[2] SFA Inc, Crofton, MD USA
关键词
Isserlis' theorem; Wick's theorem; Mixed-Gaussian distribution; Auto-bispectral density; NONLINEARITY; ORDER; SPECTRA; SYSTEMS; SERIES;
D O I
10.1007/s10955-009-9768-3
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
This work derives a version of Isserlis' theorem for the specific case of four mixed-Gaussian random variables. The theorem is then used to derive an expression for the auto-bispectral density for quadratically nonlinear systems driven with mixed-Gaussian iid noise.
引用
收藏
页码:89 / 102
页数:14
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