Time-Frequency Analysis of Backscattered Signals from Diffuse Radar Targets

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Time-Frequency Analysis of Backscattered Signals from Diffuse Radar Targets

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Title: Time-Frequency Analysis of Backscattered Signals from Diffuse Radar Targets
Author: Kenny, O.P; Boashash, Boualem
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. The authors discuss time-frequency representation of the backscattered signal from a diffuse radar target. It is then shown that for point scatterers which are statistically dependent or for which the reflectivity coefficient has a nonzero mean value, reconstruction using time of flight positron emission tomography on time-frequency images is effective for estimating the scattering function of the target.
Description: This is one of the first papers to use time-frequency methods for radar imaging.
URI: http://hdl.handle.net/10576/10660
Date: 1993-06

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