Radar imaging using the Wigner-Ville Distribution

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Radar imaging using the Wigner-Ville Distribution

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Title: Radar imaging using the Wigner-Ville Distribution
Author: Boashash, B; Kenny, O.P; Whitehouse, H.J
Abstract: The need for analysis of time-varying signals has led to the formulation of a class of joint time-frequency distributions (TFDs). One of these TFDs, the Wigner-Ville distribution (WVD), has useful properties which can be applied to radar imaging. This paper first discusses the radar equation in terms of the time-frequency representation of the signal received from a radar system. It then presents a method of tomographic reconstruction for time-frequency images to estimate the scattering function of the aircraft. An optical architecture is then discussed for the real-time implementation of the analysis method based on the WVD.
Description: This is one of the 1st papers discussing time-frequency radar imaging for a bi-static radar systems, using the Wigner-Ville distribution. An optical processor is used for real time implementation of the WVD. (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/10576/10870
Date: 1989

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