Feature Extraction of Rotating Target Based on Bistatic Micro-Doppler Analysis

摘要：

The rotational radius extracted via the available algorithms is modified by the angle between the rotational axis and the radar line of sight (LOS) in the monostatic radar. In this paper, the T/R-R bistatic radar is introduced to solve this problem. Firstly, the geometric relation between the bistatic radar and rotational target and the bistatic echo signals are modeled. Then the relation between mono- and bistatic micro-Doppler frequencies is derived and the micro- Doppler parameters are estimated separately via the Time Frequency Distribution and Hough Transform (TFD-HT). Combining with the estimated results and the bistatic geometry, the angle between the rotational axis and the radar LOS and the exact rotational radius is estimated. The theoretical analysis is validated by the simulation results finally.

关键词： Bistatic radar Time Frequency Analysis Feature Extraction Micro-Doppler.

作者: Ai Xiaofeng Zou Xiaohai Yang Jianhua Liu Jin Li Yongzhen

作者单位: School of Electronic Science and Engineering, National University of Defense Technology, Changsha, China

会议类型: 国际会议

会议名称: 2011 IEEE CIE International Conference on Radar(2011年IEEE国际雷达会议RADAR 2011)

会议地点: 成都

会议语种:英文

页码: 609-612

在线出版日期: 2011-10-24（万方平台首次上网日期，不代表论文的发表时间）