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《Laser & Infrared》 2007-11
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Study on Simulation of Micro-Doppler Effect for Rotation Target

WANG Xue-qin,YUAN Shuai,ZHANG Jun,JIANG Rong-xi(Institute of Opto-Electronic Information,Yantai University,Yantai 264005,China)  
In order to study that how to extract target′s movement features from the lidar returned signal of the rotation target,a point-scatter model for the micro-Doppler effect of rotation target was built,and the simulation was conducted,and the returned signal of rotation target in lidar was attained.To the question of poor readability when using conventional time-frequency analysis method,a reassigned method of time-frequency analysis was introduced to analyze the signal,better time-frequency characteristics was achieved,some movement parameters of the target were estimated,it confirms the validity of this method on using it to analyze the micro-Doppler signal induced by target rotation,and it laid a foundation for the recognition of rotation target by using the time-frequency characteristics of the radar returned signal.
【Fund】: 国防预先研究基金项目(51403040203QT0710)资助
【CateGory Index】: TN29
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