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基于PM算法的涡旋电磁波引信超分辨测向方法

孙丽华 闫晓鹏 刘强 郝新红 章鸿运

孙丽华, 闫晓鹏, 刘强, 等 . 基于PM算法的涡旋电磁波引信超分辨测向方法[J]. 北京航空航天大学学报, 2022, 48(7): 1263-1268. doi: 10.13700/j.bh.1001-5965.2021.0020
引用本文: 孙丽华, 闫晓鹏, 刘强, 等 . 基于PM算法的涡旋电磁波引信超分辨测向方法[J]. 北京航空航天大学学报, 2022, 48(7): 1263-1268. doi: 10.13700/j.bh.1001-5965.2021.0020
SUN Lihua, YAN Xiaopeng, LIU Qiang, et al. PM based super-resolution method of azimuth detection for electromagnetic vortex wave fuze[J]. Journal of Beijing University of Aeronautics and Astronautics, 2022, 48(7): 1263-1268. doi: 10.13700/j.bh.1001-5965.2021.0020(in Chinese)
Citation: SUN Lihua, YAN Xiaopeng, LIU Qiang, et al. PM based super-resolution method of azimuth detection for electromagnetic vortex wave fuze[J]. Journal of Beijing University of Aeronautics and Astronautics, 2022, 48(7): 1263-1268. doi: 10.13700/j.bh.1001-5965.2021.0020(in Chinese)

基于PM算法的涡旋电磁波引信超分辨测向方法

doi: 10.13700/j.bh.1001-5965.2021.0020
基金项目: 

国家自然科学基金 61973037

国家自然科学基金 61871414

详细信息
    通讯作者:

    闫晓鹏, E-mail: yanxiaopeng@bit.edu.cn

  • 中图分类号: TJ43+4.1

PM based super-resolution method of azimuth detection for electromagnetic vortex wave fuze

Funds: 

National Natural Science Foundation of China 61973037

National Natural Science Foundation of China 61871414

More Information
  • 摘要:

    为提高防空导弹无线电引信在低信噪比(SNR)背景下的测向精度,提出了基于传播算子算法(PM)的涡旋电磁波引信超分辨测向方法。通过相控均匀圆阵依次发射不同轨道角动量模态涡旋电磁波照射目标,基于多发单收(MISO)模型推导目标探测回波模型;通过对回波方程的近似变形构造接收信号矩阵;采用PM算法构造空间谱函数,进行谱峰搜索,实现对目标水平方位角的估计。对所提方法的有效性进行仿真验证,结果表明,所提方法可在低信噪比、少阵元情况下实现对目标的精确测向。

     

  • 图 1  基于MISO的涡旋电磁波引信探测几何模型

    Figure 1.  MISO-based geometry model of vortex electromagnetic wave fuze detection

    图 2  阵列发射信号

    Figure 2.  Array emission signal

    图 3  算法复杂度与模态数的关系

    Figure 3.  Relation between algorithm complexity and mode number

    图 4  PM算法水平方位角估计结果

    Figure 4.  Results of horizontal azimuth estimation of PM algorithm

    图 5  不同信噪比下各算法对水平方位角估计性能对比

    Figure 5.  Comparison of horizontal azimuth estimation performance of different algorithms at different SNRs

    图 6  不同阵元数下不同算法水平方位角估计性能对比

    Figure 6.  Comparison of horizontal azimuth estimation performance of different algorithms with different numbers of array elements

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出版历程
  • 收稿日期:  2021-01-14
  • 录用日期:  2021-02-22
  • 刊出日期:  2021-03-09

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