Time-frequency higher-order spectra with adjustment to the instantaneous frequency variation

L. Gelman; I. Petrunin

doi:10.1002/acs.1096

Time-frequency higher-order spectra with adjustment to the instantaneous frequency variation

L. Gelman, I. Petrunin

Cranfield University

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

Novel time-frequency techniques are proposed: the short time instantaneous higher-order spectra (HOS) with adjustment to measured or known a priori time variation of the instantaneous frequency of transient signals. It is shown that the proposed transforms are more effective than the non-instantaneous HOS (i.e. without adjustment to time variation of the instantaneous frequency) in recognizing a non-stationary nonlinearity.

Original language	English
Pages (from-to)	178-187
Number of pages	10
Journal	International Journal of Adaptive Control and Signal Processing
Volume	24
Issue number	3
Early online date	26 Nov 2008
DOIs	https://doi.org/10.1002/acs.1096
Publication status	Published - 1 Mar 2010
Externally published	Yes

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Cite this

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AU - Petrunin, I.

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AB - Novel time-frequency techniques are proposed: the short time instantaneous higher-order spectra (HOS) with adjustment to measured or known a priori time variation of the instantaneous frequency of transient signals. It is shown that the proposed transforms are more effective than the non-instantaneous HOS (i.e. without adjustment to time variation of the instantaneous frequency) in recognizing a non-stationary nonlinearity.

KW - Adaptation

KW - Higher-order spectra

KW - Instantaneous frequency

KW - Time-frequency signal processing

KW - non‐linearity detection

UR - https://www.scopus.com/pages/publications/76649128692

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JO - International Journal of Adaptive Control and Signal Processing

JF - International Journal of Adaptive Control and Signal Processing

IS - 3

ER -

Time-frequency higher-order spectra with adjustment to the instantaneous frequency variation

Abstract

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