基于窄带雷达网的弹道目标三维进动特征提取

赵双 鲁卫红 冯存前 王义哲

赵双, 鲁卫红, 冯存前, 王义哲. 基于窄带雷达网的弹道目标三维进动特征提取[J]. 雷达学报, 2017, 6(1): 98-105. doi: 10.12000/JR15129
引用本文: 赵双, 鲁卫红, 冯存前, 王义哲. 基于窄带雷达网的弹道目标三维进动特征提取[J]. 雷达学报, 2017, 6(1): 98-105. doi: 10.12000/JR15129
Zhao Shuang, Lu Weihong, Feng Cunqian, Wang Yizhe. Three-Dimensional Precession Feature Extraction of Ballistic Targets Based on Narrowband Radar Network[J]. Journal of Radars, 2017, 6(1): 98-105. doi: 10.12000/JR15129
Citation: Zhao Shuang, Lu Weihong, Feng Cunqian, Wang Yizhe. Three-Dimensional Precession Feature Extraction of Ballistic Targets Based on Narrowband Radar Network[J]. Journal of Radars, 2017, 6(1): 98-105. doi: 10.12000/JR15129

基于窄带雷达网的弹道目标三维进动特征提取

doi: 10.12000/JR15129
基金项目: 

陕西省自然科学基础研究计划 2014JM8308

国家自然科学基金 61372166

详细信息
    作者简介:

    赵双 (1992-), 男, 湖南湘谭人。现为空军工程大学防空反导学院硕士研究生。主要从事雷达信号处理研究。E-mail:zhaoshuanglw@163.com

    鲁卫红 (1968-), 男, 河北安平人。现为空军工程大学副教授。主要从事雷达对抗、引战配合技术研究。E-mail:lwh_001@126.com

    冯存前 (1976-), 男, 陕西富平人。现为空军工程大学教授, 主要从事自适应信号处理研究。E-mail:fengcunqian@sina.com

    王义哲 (1992-), 男, 河南驻马店人。现为空军工程大学防空反导学院硕士研究生。主要从事雷达信号处理研究。E-mail:wangyizhe813@163.com

    通讯作者:

    赵双zhaoshuanglw@163.com

  • 中图分类号: TN957

Three-Dimensional Precession Feature Extraction of Ballistic Targets Based on Narrowband Radar Network

Funds: 

The Project Supported by Natural Science Basic Research Plan in Shaanxi Province of China 2014JM8308

The National Natural Science Foundation of China 61372166

  • 摘要: 微动特征是弹道目标识别的重要特征之一。针对单一视角观测难以获取目标真实微动参数的问题,该文提出了一种基于窄带雷达网的3维进动特征提取方法。首先建立了锥体目标进动模型,在考虑散射中心遮挡的前提下,详细分析了进动引发的微多普勒频率调制特性。然后基于锥顶微多普勒频率调制系数比,实现了不同视角下散射中心匹配关联,通过构建多视角联合方程组获取了目标的3维锥旋矢量,进而利用各散射中心微多普勒频率相关性,结合频率补偿的方法对锥体特征参数进行了提取,在此基础上解算出每一时刻锥顶坐标,实现了目标空间位置的3维重构。仿真结果证明了该方法的有效性与实用性。

     

  • 图  1  锥形弹头进动模型

    Figure  1.  The precession model of conical warhead

    图  2  组网雷达示意图

    Figure  2.  The sketch map of netted radar

    图  3  3部雷达时频分布图

    Figure  3.  The Time-frequency Distribution figure of three radars

    图  4  3部雷达IF提取结果

    Figure  4.  The IF result extracted by three radars

    图  5  补偿系数求解结果

    Figure  5.  The solving results of compensation coefficient

    图  6  锥顶散射中心的轨迹

    Figure  6.  The trajectory of the top scattering center

    图  7  鲁棒性分析

    Figure  7.  Robustness analysis

    表  1  锥体弹头进动及结构参数估计结果

    Table  1.   The estimation result of cone-shaped warhead's parameters

    参数 理论值 估计值 相对误差 (%)
    α1(°) 70.7288 70.7025 0.30
    α2(°) 36.8974 36.9851 0.037
    α3(°) 30.8829 30.7848 0.32
    θ(°) 13 13.5579 4.29
    r(m) 0.5 0.5237 4.74
    h1(m) 2.0 1.9132 4.43
    h2(m) 0.5 0.4811 3.20
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出版历程
  • 收稿日期:  2015-12-23
  • 修回日期:  2016-03-22
  • 网络出版日期:  2017-02-28

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