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Vol. 158, Issue 11, November 2013, pp. 326-331




Micro-Doppler Features Analysis of the Wheeled Vehicle and the Tracked Vehicle
Guangfeng CHEN, Linrang ZHANG

National Key Laboratory of Radar Signal Processing, Xidian University, Xi'an 710071, China
E-mail: chgfeng@126.com


Received: 9 September 2013   /Accepted: 25 October 2013   /Published: 30 November 2013

Digital Sensors and Sensor Sysstems


Abstract: Micro-Doppler signature produced by micro-motion contains movement and structure information which is useful for radar classification and recognition. In order to recognize the wheeled vehicle and the tracked vehicle in ground battle, the motion dynamics and echo models of the scattering point on wheeled vehicle and tracked vehicle are set up respectively. Then the micro-Doppler features of them are quantitatively analyzed. Furthermore, the smoothed pseudo Winger-Ville distribution method is proposed for extracting micro-Doppler modulation. Finally, simulation results demonstrate the correctness of the theoretic analysis and the validity of the extraction method.


Keywords: Micro-motion, Micro-Doppler, Tracked vehicle, Wheeled vehicle, Time-frequency analysis.


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