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基于非圆特征恢复的极化敏感辅助阵列波束形成

万鹏程 白渭雄 高晓阳 陈红

万鹏程, 白渭雄, 高晓阳, 等 . 基于非圆特征恢复的极化敏感辅助阵列波束形成[J]. 北京航空航天大学学报, 2018, 44(12): 2568-2574. doi: 10.13700/j.bh.1001-5965.2018.0202
引用本文: 万鹏程, 白渭雄, 高晓阳, 等 . 基于非圆特征恢复的极化敏感辅助阵列波束形成[J]. 北京航空航天大学学报, 2018, 44(12): 2568-2574. doi: 10.13700/j.bh.1001-5965.2018.0202
WAN Pengcheng, BAI Weixiong, GAO Xiaoyang, et al. Auxiliary polarization sensitive array beamforming based on non-circularity restoral[J]. Journal of Beijing University of Aeronautics and Astronautics, 2018, 44(12): 2568-2574. doi: 10.13700/j.bh.1001-5965.2018.0202(in Chinese)
Citation: WAN Pengcheng, BAI Weixiong, GAO Xiaoyang, et al. Auxiliary polarization sensitive array beamforming based on non-circularity restoral[J]. Journal of Beijing University of Aeronautics and Astronautics, 2018, 44(12): 2568-2574. doi: 10.13700/j.bh.1001-5965.2018.0202(in Chinese)

基于非圆特征恢复的极化敏感辅助阵列波束形成

doi: 10.13700/j.bh.1001-5965.2018.0202
基金项目: 

国家自然科学基金 61601503

详细信息
    作者简介:

    万鹏程  男, 硕士研究生。主要研究方向:信息对抗理论与技术

    白渭雄  男, 博士, 教授, 博士生导师。主要研究方向:信息对抗理论与技术

    通讯作者:

    白渭雄, E-mail: wxb369@126.com

  • 中图分类号: TP957

Auxiliary polarization sensitive array beamforming based on non-circularity restoral

Funds: 

National Natural Science Foundation of China 61601503

More Information
  • 摘要:

    为了降低极化敏感阵列(PSA)的应用成本,优化极化信息的利用效率,提高导向矢量失配条件下的滤波性能,提出了极化敏感辅助阵列(APSA)模型和基于二相编码信号非圆特征恢复的波束形成算法。在单极化线阵的基础上对部分阵元进行双极化改造,构成APSA;根据接收信号矢量的协方差阵和共轭协方差阵,按照非圆率最大准则,对构造的新协方差阵进行特征分解以确定权矢量,进而完成数字波束形成。详细分析了阵列模型的性能,并讨论了最小方差无失真响应(MVDR)算法和特征子空间投影(EP)算法。仿真结果表明,二相编码的非圆特征恢复算法不受导向矢量误差的影响,在阵列模型的基础上有主瓣干扰对抗能力,鲁棒性强。

     

  • 图 1  APSA模型

    Figure 1.  Model of APSA

    图 2  快拍数对输出SINR的影响

    Figure 2.  Influence of snapshots on output SINR

    图 3  输入SNR对输出SINR的影响

    Figure 3.  Influence of input SNR on output SINR

    图 4  导向矢量空间角度误差对输出SINR的影响

    Figure 4.  Influence of steering vector angle error in space on output SINR

    图 5  极化辅助阵元个数对输出SINR的影响

    Figure 5.  Influence of auxiliary polarization array element number on output SINR

    图 6  干扰与目标极化差异对输出SINR的影响

    Figure 6.  Influence of interference polarization and target difference on output SINR

    表  1  实验1详细参数设置

    Table  1.   Detailed parameter setting in Experiment 1

    参数信号干扰1干扰2
    θ/(°)151417
    γ/(°)783045
    η/(°)457525
    下载: 导出CSV
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出版历程
  • 收稿日期:  2018-04-11
  • 录用日期:  2018-07-05
  • 网络出版日期:  2018-12-20

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