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Paper Detail

Paper:	SPTM-L8.2
Session:	Time-Frequency Distributions and Radar
Time:	Friday, May 19, 10:20 - 10:40
Presentation:	Lecture
Topic:	Signal Processing Theory and Methods: Non-stationary Signals and Time-Frequency Analysis
Title:	Estimation of FM Parameters using a Time-Frequency Hough Transform
Authors:	Luke Cirillo, Abdelhak Zoubir, Technical University of Darmstadt, Germany; Moeness Amin, Villanova University, United States
Abstract:	An estimator for the phase parameters of mono- and multicomponent FM signals, with both good numerical properties and statistical performance is proposed. The proposed approach is based on the Hough transform of the pseudo Wigner-Ville time-frequency distribution (PWVD). It is shown that the numerical properties of the estimator may be improved by varying the PWVD window length. The effect of the window time extent on the statistical performance of the estimator is delineated. Experimental data is used for validation of statistical properties.