Application of eigenstructure based bispectrum estimation: EEG wave coupling in cognitive tasks

David L. Sherman, Michael D. Zoltowski

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A bispectral application is developed by considering a fully two-dimensional region of support in the cumulant domain. An asymptotically Hermitian block-Toeplitz matrix composed of third-order cumulants is built. Using a noise subspace-based frequency estimator, a two-dimensional frequency kernel is projected on the orthogonal complement subspace. The reciprocal of this projection is the frequency estimator indicating the location of a triple of phase-coupled sinusoids in the bispectral domain. The method provides accurate, high-order spectrum estimation. In general, transfer function parameterization is implicated in higher-order spectral estimation when one-dimensional or diagonal slices are used.

Original languageEnglish (US)
Title of host publicationWorkshop Higher Order Spectral Anal
Editors Anon
PublisherPubl by IEEE
Pages135-139
Number of pages5
Publication statusPublished - 1989
Externally publishedYes
EventWorkshop on Higher-Order Spectral Analysis - Vail, CO, USA
Duration: Jun 28 1989Jun 30 1989

Other

OtherWorkshop on Higher-Order Spectral Analysis
CityVail, CO, USA
Period6/28/896/30/89

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ASJC Scopus subject areas

  • Engineering(all)

Cite this

Sherman, D. L., & Zoltowski, M. D. (1989). Application of eigenstructure based bispectrum estimation: EEG wave coupling in cognitive tasks. In Anon (Ed.), Workshop Higher Order Spectral Anal (pp. 135-139). Publ by IEEE.