存在站址误差下的时频差稳健定位算法

高向颖 赵拥军 刘智鑫 刘成城

高向颖, 赵拥军, 刘智鑫, 等. 存在站址误差下的时频差稳健定位算法[J]. 雷达学报, 2020, 9(5): 916–924. doi: 10.12000/JR20039
引用本文: 高向颖, 赵拥军, 刘智鑫, 等. 存在站址误差下的时频差稳健定位算法[J]. 雷达学报, 2020, 9(5): 916–924. doi: 10.12000/JR20039
GAO Xiangying, ZHAO Yongjun, LIU Zhixin, et al. Robust source localization using TDOA and FDOA with receiver location errors[J]. Journal of Radars, 2020, 9(5): 916–924. doi: 10.12000/JR20039
Citation: GAO Xiangying, ZHAO Yongjun, LIU Zhixin, et al. Robust source localization using TDOA and FDOA with receiver location errors[J]. Journal of Radars, 2020, 9(5): 916–924. doi: 10.12000/JR20039

存在站址误差下的时频差稳健定位算法

doi: 10.12000/JR20039
基金项目: 国家自然科学基金(61703433)
详细信息
    作者简介:

    高向颖(1996–),女,河南开封人。中国人民解放军战略支援部队信息工程大学在读硕士研究生,主要研究方向为无源定位、信号分析与处理等。E-mail: wjsgxyy@163.com

    赵拥军(1964–),男,河南新乡人,博士,教授。2008年在北京理工大学电子工程学院获得博士学位,现担任中国人民解放军战略支援部队信息工程大学数据与目标工程学院教授。主要研究方向为雷达信号处理、阵列信号处理。E-mail: zhaoyongjuntg@126.com

    刘智鑫(1991–),男,新疆乌鲁木齐人。中国人民解放军战略支援部队信息工程大学在读博士研究生,主要研究方向为辐射源定位、电子侦察等。E-mail: liuzhixin54@sina.com

    刘成城(1986–),男,江苏盐城人,博士,讲师。2014年在中国人民解放军战略支援部队信息工程大学数据与目标工程学院获得博士学位,现担任中国人民解放军战略支援部队信息工程大学数据与目标工程学院讲师。主要研究方向为电子与信息对抗。E-mail: luckylcc079@126.com

    通讯作者:

    赵拥军 zhaoyongjuntg@126.com

    刘智鑫 liuzhixin54@sina.com

  • 责任主编:郭福成 Corresponding Editor: GUO Fucheng
  • 中图分类号: TN91

Robust Source Localization Using TDOA and FDOA with Receiver Location Errors 

Funds: The National Natural Science Foundation of China (61703433)
More Information
  • 摘要:

    针对现有算法定位精度低,稳健性差的问题,该文基于误差校正的思想,改进了经典两步加权最小二乘(TSWLS)算法的步骤2,提出一种站址误差条件下基于到达时间差(TDOA)和到达频率差(FDOA)的高精度、稳健动目标无源定位算法。所提算法的步骤2对步骤1中引入的辅助变量进行泰勒展开以构建误差校正方程,避免了经典两步加权最小二乘算法中的矩阵缺秩问题和非线性运算,提高了算法的稳健性和定位精度。理论分析表明,在小噪声条件下该算法定位精度可达克拉美罗下界(CRLB)。仿真结果表明,在常见量级的站值误差及测量误差下,相比于现有算法,该文算法具有更强的稳健性和更优的抗噪性。

     

  • 图  1  不同算法性能比较

    Figure  1.  Performance comparison among different methods

    图  2  不同算法稳健性比较

    Figure  2.  Robustness comparison among different methods

    表  1  接收站位置(m)及速度(m/s)

    Table  1.   Position(m) and velocity(m/s) of receivers

    接收站${x_i}$${y_i}$${z_i}$${\dot x_i}$${\dot y_i}$${\dot z_i}$
    130010015030–2020
    2400150100–301020
    330050020010–2010
    4350200150102030
    5–100–100–100–201010
    6200–300–20020–1010
    下载: 导出CSV
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出版历程
  • 收稿日期:  2020-04-10
  • 修回日期:  2020-07-08
  • 网络出版日期:  2020-10-28

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