Time-frequency analysis and pattern recognition using singular value decomposition of the Wigner-Ville distribution

QSpace/Manakin Repository

Time-frequency analysis and pattern recognition using singular value decomposition of the Wigner-Ville distribution

Show full item record


Title: Time-frequency analysis and pattern recognition using singular value decomposition of the Wigner-Ville distribution
Author: Boashash, B; Lovell, B; White, L.B.
Abstract: Time-Frequency analysis based on the Wigner-Ville Distribution (WVD) is shown to be optimal for a class of signals where the variation of instantaneous frequency is the dominant characteristic. Spectral resolution and instantaneous frequency tracking is substantially improved by using a Modified WVD (MWVD) based on an Autoregressive spectral estimator. Enhanced signal-to-noise ratio may be achieved by using 2D windowing in the Time-Frequency domain. The WVD provides a tool for deriving descriptors of signals which highlight their FM characteristics. These descriptors may be used for pattern recognition and data clustering using the methods presented in this paper.
Description: This paper presents a modified Wigner-Ville Distribution (MWVD) using Auto-regressive spectral analysis to improve the spectral resolution; it also presents descriptors which highlight a signal's FM characteristics and a data clustering algorithm for classification. (Additional details can be found in the comprehensive book on Time-Frequency Signal Analysis and Processing (see http://www.elsevier.com/locate/isbn/0080443354). In addition, the most recent upgrade of the original software package that calculates Time-Frequency Distributions and Instantaneous Frequency estimators can be downloaded from the web site: www.time-frequency.net. This was the first software developed in the field, and it was first released publicly in 1987 at the 1st ISSPA conference held in Brisbane, Australia, and then continuously updated).
URI: http://hdl.handle.net/10576/10829
Date: 1987

Files in this item

Files Size Format View
Boashash-Lovell ... n-Recog-Sing-Value-WVD.pdf 785.6Kb PDF View/Open

This item appears in the following Collection(s)

Show full item record

Search QSpace


Advanced Search

Browse

My Account