The new multidimensional time/multi-frequency transform for higher order spectral analysis

L. Gelman, I. Petrunin

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

A new multidimensional time/multi-frequency higher order spectral(HOS) transform is proposed for transient signals with nonlinear polynomial variation of instantaneous frequency: the short time higher order chirp spectra (HOCS) based on the higher order chirp-Fourier transform and time-domain windowing technique. The proposed transform is compared with the classical multi-frequency HOS based on the Fourier transform. It is shown that the proposed transform is more effective for processing of transient processes in comparison with the classical transform.

Original languageEnglish
Pages (from-to)317-325
Number of pages9
JournalMultidimensional Systems and Signal Processing
Volume18
Issue number4
Early online date3 Feb 2007
DOIs
Publication statusPublished - 1 Dec 2007
Externally publishedYes

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