Adaptive time-frequency transform for non-stationary signals with nonlinear polynomial frequency variation

Research output: Contribution to journalLetter

10 Citations (Scopus)

Abstract

The Wigner distribution has been widely used [1–9] for processing of chirps, i.e. transient signals with constant frequency speeds (chirp rates). These signals have the linear variation of the instantaneous frequency in time. The Wigner distribution is suitable for the chirps; the distribution ideally follows [2] the linear frequency variation of the signal without amplitude errors.
Original languageEnglish
Pages (from-to)2684-2687
Number of pages4
JournalMechanical Systems and Signal Processing
Volume21
Issue number6
Early online date4 Feb 2007
DOIs
Publication statusPublished - 1 Aug 2007
Externally publishedYes

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