Micro-motion feature extraction of spatial ballistic target based on HRRP dynamic sequence

被引：0
|
作者：
Zhu, Yu-Peng [1 ]
Wang, Hong-Qiang [1 ]
Li, Xiang [1 ]
Xiao, Shun-Ping [1 ]
机构：
[1] Research Institute of Space Electronics, National University of Defense Technology, Changsha 410073, China
来源：
Yuhang Xuebao/Journal of Astronautics | 2009年 / 30卷 / 03期
关键词：
Ballistics - Feature extraction - Radon;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Spatial micro-motion feature is a key basis for mid-course ballistic target recognition. HRRP (high resolution range profile) sequence of the cone-shaped is studied in this paper. Firstly the target's precession period is estimated through weighting the scatters' location from HRRP and accumulation along range. Then the scatters' location changing curves are extracted by GRT (Generalized radon transform) and the cone-shaped spatial target's precession angle is obtained according to the curve's parameters. Finally, a new method is presented for estimating the scatters' location based on GRT. Simulation result shows the validity of above algorithms.
引用
收藏
页码：1133 / 1140
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