Note on the use of the Wigner distribution for time-frequency signal analysis

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Note on the use of the Wigner distribution for time-frequency signal analysis

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Title: Note on the use of the Wigner distribution for time-frequency signal analysis
Author: Boashash, Boualem
Abstract: It is shown that a correct use of the Wigner distribution (WD) for time-frequency signal analysis requires use of the analytic signal. This version, often referred to as the Wigner-Ville distribution (WVD), is straightforward to compute, does not exhibit any aliasing problem, and introduces no frequency artifacts. The problems introduced by the use of the Wigner distribution with a real signal are clarified.
Description: This is the first paper to show the importance of using the Analytic Signal for a proper use of Time-Frequency Signal Analysis methods, using the Hilbert Transform to form a complex signal from the the original real signal.
URI: http://hdl.handle.net/10576/10653
Date: 1988-09

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