APPLICATION OF HIGH-ORDER SPECTRA AND COHERENCE FOR ANALYZING NONLINEARITY OF A GROUND RESPONSE

dc.contributor.author	Pavlenko O.V.
dc.date.accessioned	2024-10-27T02:28:47Z
dc.date.available	2024-10-27T02:28:47Z
dc.date.issued	2006
dc.identifier	https://www.elibrary.ru/item.asp?id=13518435
dc.identifier.citation	Doklady Earth Sciences, 2006, 411, 8, 1289-1292
dc.identifier.issn	1028-334X
dc.identifier.uri	https://repository.geologyscience.ru/handle/123456789/46265
dc.description.abstract	It is known that high-order spectra (second order) and coherences (greater than two) are used to detect phase-correlated oscillations in stationary time series. High-order coherences (HOCs) serve as a measure of phase relations [1]. HOC functions are determined as high-order spectra (HOS) normalized by power spectra. The HOCs (mainly, bicoherence) are more frequently used in practical applications: estimates of bicoherence obtained for time series are compared with expected mean values for the case when the true value of bicoherence is zero (for example, for Gaussian noise).
dc.title	APPLICATION OF HIGH-ORDER SPECTRA AND COHERENCE FOR ANALYZING NONLINEARITY OF A GROUND RESPONSE
dc.type	Статья
dc.identifier.doi	10.1134/S1028334X06080289

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