旋转对称目标章动参数全极化测量研究

兵工学报 ›› 2010, Vol. 31 ›› Issue (8): 1041-1047.

旋转对称目标章动参数全极化测量研究

李文臣^1,2，王涛₁，王雪松₁，王国玉₁

（1.国防科学技术大学电子科学与工程学院，湖南长沙 410073;2.63880部队，河南洛阳 471003)

收稿日期:2008-06-10 修回日期:2008-06-10 上线日期:2014-05-04
通讯作者: 李文臣 E-mail:leewench@yahoo.com.cn
作者简介:李文臣（1972—），男，博士
基金资助:
国家自然科学基金资助项目( 60875019)

Research on Fully Polarization Measurement of Nutation Parameters of Rotary Symmetric Target

LI Wen-chen^1,2, WANG Tao₁, WANG Xue-song₁, WANG Guo-yu₁

(1.School of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, Hunan, China;2.Unit 63880 of PLA, Luoyang 471003, Henan, China)

Received:2008-06-10 Revised:2008-06-10 Online:2014-05-04
Contact: LI Wen-chen E-mail:leewench@yahoo.com.cn

摘要/Abstract

摘要： 弹头目标运动特征的提取是真假目标识别的前提，其中章动参数是描述弹头运动特征的关键参数。基于全极化散射矩阵测量，提出了章动参数估计方法。给出了自由段弹头的章动特征和旋转对称弹头的极化散射特性，提出了全局搜索—反馈线性最小二乘章动参数估计方法，利用该方法可以得到章动周期、章动角和章动轴与视线夹角等参数。给出了仿真结果，验证了章动参数全极化测量方法，并分析了噪声条件下测量性能。该方法在弹道防御真假目标识别领域中有很好的应用价值。

关键词: 雷达工程, 弹道导弹, 自由段, 章动参数, 散射特性, 极化测量

Abstract: The correct extraction of warheads' motion characteristics is the precondition of target recognition, and the nutation parameter is one of the important motion parameters. Based on the full polarization scatter matrix measurement, a nutation parameter estimation method was proposed in this paper. The motion characteristic and polarization scatter characteristics of the rotary symmetric warhead in ballistic midcourse were given. The nutation parameter estimation method based on global searching and feedback linear least squares estimation was proposed, which could be used to obtain the nutation period, nutation angle and the angle between nutation axis and LOS. The simulation results show the feasibility of this method, and its performance under noise condition is analyzed.

Key words: radar engineering, ballistic missile, midcourse, nutation parameter, scattering characteristic, polarization measurement

中图分类号:

TN957

李文臣，王涛₁，王雪松₁，王国玉₁. 旋转对称目标章动参数全极化测量研究[J]. 兵工学报, 2010, 31(8): 1041-1047.

LI Wen-chen, WANG Tao₁, WANG Xue-song₁, WANG Guo-yu₁. Research on Fully Polarization Measurement of Nutation Parameters of Rotary Symmetric Target[J]. Acta Armamentarii, 2010, 31(8): 1041-1047.

参考文献

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