Polynomial Wigner-Ville distributions and time-varying higher-order spectra

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Polynomial Wigner-Ville distributions and time-varying higher-order spectra

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dc.contributor.author Boashash, Boualem
dc.contributor.author Ristich, Branko
dc.date.accessioned 2011-05-19T17:41:38Z
dc.date.available 2011-05-19T17:41:38Z
dc.date.issued 1992-10
dc.identifier.citation Proceedings of the IEEE-SP International Symposium Time-Frequency and Time-Scale Analysis, 1992., Issue Date: 4-6 Oct 1992,On page(s): 31 - 34 en_US
dc.identifier.isbn 0-7803-0805-0
dc.identifier.uri http://hdl.handle.net/10576/10689
dc.description This paper defines 2 methods for time-frequency analysis for an application that require an order higher than quadratic TFDs. A software package that calculates IF estimates and TFDs can be downloaded from the web site: www.time-frequency.net en_US
dc.description.abstract The concept of reduced time-varying higher-order spectra based on polynomial Wigner-Ville distributions (PWVDs) is presented. Two members of a class of PWVDs are illustrated, each dedicated to a specific problem that cannot be optimally solved using Cohen's class of bilinear (second order) time-frequency distributions. Polynomial WVDs are shown to preserve or generalize many properties of the WVD. The case of multicomponent signals is addressed, and higher-order time-frequency distributions are defined. en_US
dc.language.iso en en_US
dc.publisher IEEE en_US
dc.subject HOS en_US
dc.subject higher-order time-frequency distributions en_US
dc.subject multicomponent signals en_US
dc.subject polynomial Wigner-Ville distributions en_US
dc.subject time-varying higher-order spectra en_US
dc.subject Quadratic Time-Frequency Distributions en_US
dc.subject Polynomial WVDs en_US
dc.subject FM signals en_US
dc.subject multiplicative noise en_US
dc.subject polynomial phase en_US
dc.title Polynomial Wigner-Ville distributions and time-varying higher-order spectra en_US
dc.type Article en_US

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