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传感器位置误差下外辐射源雷达三维定位代数解算法

左燕 周夏磊 蒋陶然

左燕, 周夏磊, 蒋陶然. 传感器位置误差下外辐射源雷达三维定位代数解算法[J]. 电子与信息学报, 2020, 42(3): 555-562. doi: 10.11999/JEIT190292
引用本文: 左燕, 周夏磊, 蒋陶然. 传感器位置误差下外辐射源雷达三维定位代数解算法[J]. 电子与信息学报, 2020, 42(3): 555-562. doi: 10.11999/JEIT190292
Yan ZUO, Xialei ZHOU, Taoran JIANG. Algebraic Solution for 3D Localization of Multistatic Passive Radar in the Presence of Sensor Position Errors[J]. Journal of Electronics & Information Technology, 2020, 42(3): 555-562. doi: 10.11999/JEIT190292
Citation: Yan ZUO, Xialei ZHOU, Taoran JIANG. Algebraic Solution for 3D Localization of Multistatic Passive Radar in the Presence of Sensor Position Errors[J]. Journal of Electronics & Information Technology, 2020, 42(3): 555-562. doi: 10.11999/JEIT190292

传感器位置误差下外辐射源雷达三维定位代数解算法

doi: 10.11999/JEIT190292
基金项目: 国家自然科学基金 (61673146, 61973102),浙江省自然科学基金 (LY16F030009)
详细信息
    作者简介:

    左燕:女,1980年生,博士,副教授,研究方向为无源定位、智能信息处理和信息融合

    周夏磊:男,1995年生,硕士生,研究方向为无源定位

    蒋陶然:男,1995年生,硕士生,研究方向为无源定位

    通讯作者:

    左燕 leftswallow@163.com

  • 中图分类号: TN958.97

Algebraic Solution for 3D Localization of Multistatic Passive Radar in the Presence of Sensor Position Errors

Funds: The National Natural Science Foundation of China (61673146, 61973102), The Natural Science Foundation of Zhejiang Province (LY16F030009)
  • 摘要:

    机载外辐射源雷达系统中,部署在飞机上的观测站传感器位置无法精确获知,观测站位置误差将严重影响目标定位精度。对此,该文提出一种观测站位置误差下多基外辐射源雷达3维定位代数解算法。该算法首先利用辅助变量将非线性双基距离和差(BRD)观测方程进行线性化,构造伪线性目标估计模型。然后将观测站位置量测噪声的统计特性融入定位算法,提出一种改进两步加权最小二乘(TS-WLS)算法实现观测站位置误差下外辐射源雷达目标定位。最后推导了克拉美罗下界(CRLB)和算法的理论误差。仿真结果显示,在适中的BRD量测误差和观测站位置误差下,所提算法的目标定位性能能够达到CRLB。

  • 图  1  单站外辐射源雷达3维定位场景图

    图  2  不同BRD量测误差下目标定位CRLB

    图  3  不同观测站位置误差下目标定位CRLB

    图  4  不同外辐射源个数M下近场目标定位CRLB

    图  5  不同外辐射源个数M下远场目标定位CRLB

    图  6  不同BRD量测误差下定位算法估计性能

    图  7  不同观测站位置误差下定位算法估计性能

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出版历程
  • 收稿日期:  2019-04-29
  • 修回日期:  2019-11-18
  • 网络出版日期:  2019-11-25
  • 刊出日期:  2020-03-19

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