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基于SA&M-Relax的外辐射源雷达目标DOA估计方法

陈赓 田波 宫健 冯存前

陈赓, 田波, 宫健, 等 . 基于SA&M-Relax的外辐射源雷达目标DOA估计方法[J]. 北京航空航天大学学报, 2021, 47(6): 1254-1260. doi: 10.13700/j.bh.1001-5965.2020.0137
引用本文: 陈赓, 田波, 宫健, 等 . 基于SA&M-Relax的外辐射源雷达目标DOA估计方法[J]. 北京航空航天大学学报, 2021, 47(6): 1254-1260. doi: 10.13700/j.bh.1001-5965.2020.0137
CHEN Geng, TIAN Bo, GONG Jian, et al. SA&M-Relax target DOA estimation method for passive radar[J]. Journal of Beijing University of Aeronautics and Astronautics, 2021, 47(6): 1254-1260. doi: 10.13700/j.bh.1001-5965.2020.0137(in Chinese)
Citation: CHEN Geng, TIAN Bo, GONG Jian, et al. SA&M-Relax target DOA estimation method for passive radar[J]. Journal of Beijing University of Aeronautics and Astronautics, 2021, 47(6): 1254-1260. doi: 10.13700/j.bh.1001-5965.2020.0137(in Chinese)

基于SA&M-Relax的外辐射源雷达目标DOA估计方法

doi: 10.13700/j.bh.1001-5965.2020.0137
基金项目: 

国家自然科学基金 61601502

中国博士后科学基金 2019M662257

航空科学基金 201901096002

详细信息
    通讯作者:

    宫健, E-mail: gjdoctor@163.com

  • 中图分类号: TN958.97

SA&M-Relax target DOA estimation method for passive radar

Funds: 

National Natural Science Foundation of China 61601502

China Postdoctoral Science Foundation 2019M662257

Aeronautical Science Foundation of China 201901096002

More Information
  • 摘要:

    外辐射源雷达回波信噪比极低,通常在距离-多普勒二维相关后进行目标角度估计。在这种单快拍情况下,经典的超分辨算法由于协方差矩阵的非正定性导致算法性能较差。针对这一问题,在A&M插值迭代算法的基础上,提出了一种适用于稀疏阵列的SA&M-Relax外辐射源雷达目标DOA估计方法。在相同阵元数目的情况下,与原有算法相比提高了目标角度估计的分辨率与精度,同时减少了运算量。通过仿真实验验证了所提方法的有效性。

     

  • 图 1  目标检测结果

    Figure 1.  Target detection results

    图 2  单个目标时本文方法收敛仿真

    Figure 2.  Convergence simulation diagram of proposed method with one target

    图 3  两个目标时本文方法收敛仿真

    Figure 3.  Convergence simulation diagram of proposed method with two targets

    图 4  不同阵列估计结果

    Figure 4.  Different array estimation results

    图 5  两个目标不同角度间隔下正确分辨概率

    Figure 5.  Probability of correct resolution between two targets at different angle intervals

    图 6  一个目标角度已知情况下估计结果

    Figure 6.  Estimation results when a target angle is known

    表  1  实验仿真参数

    Table  1.   Experimental simulation parameters

    信号 距离/m 多普勒频率/Hz 信噪比/dB
    直达波 0 0 50
    多径1 25 0 35
    多径2 45 0 30
    多径3 65 0 28
    多径4 85 0 24
    多径5 105 0 20
    下载: 导出CSV
  • [1] GRIFFITHS H D, BAKER C J. An introduction to passive radar[M]. Norwood: Artech House, 2017: 10.
    [2] WANG L, HE Q, BLUM R S, et al. Joint parameter estimation employing coherent passive MIMO radar[J]. The Journal of Engineering, 2019, 2019(20): 6859-6862. doi: 10.1049/joe.2019.0578
    [3] DEBORA P, FABRIZIO S, FEDERICA P, et al. Maritime moving target long time integration for GNSS-based passive bistatic radar[J]. IEEE Transactions on Aerospace and Electronic Systems, 2018, 54(6): 3060-3083. doi: 10.1109/TAES.2018.2840298
    [4] MOHAMMAD F, MOSTAFA D, SHAPOUR K. Rao detector for passive MIMO radar with direct-path interference[J]. IEEE Transactions on Aerospace and Electronic Systems, 2020, 56(4): 2999-3009. doi: 10.1109/TAES.2019.2961841
    [5] FENG Y, SHAN T, LIU S H, et al. Interference suppression using joint spatio-temporal domain filtering in passive radar[C]//2015 IEEE Radar Conference. Piscataway: IEEE Press, 2015: 1156-1160.
    [6] SENDALL J L, MAASDORP F D V. Detection state refinement in FM multistatic passive radar[C]//2017 IEEE Radar Conference. Piscataway: IEEE Press, 2017: 717-721.
    [7] MAUSSANG F, GARELLO R, SOULAT F, et al. GPS passive bistatic radar system in oceanic environment: Detection performance estimation[C]//2011 IEEE Spain OCEANS. Piscataway: IEEE Press, 2011: 1-5.
    [8] 郭帅, 王俊, 陈刚, 等. 外辐射源雷达参考通道多径干扰抑制方法[J]. 西安电子科技大学学报, 2018, 45(3): 18-23. doi: 10.3969/j.issn.1001-2400.2018.03.004

    GUO S, WANG J, CHEN G, et al. Method for multipath interference restraint of the reference channel in passive bistatic radar[J]. Journal of Xidian University, 2018, 45(3): 18-23(in Chinese). doi: 10.3969/j.issn.1001-2400.2018.03.004
    [9] FENG W K, FRIEDT J M, MEROU G G, et al. Passive radar delay and angle of arrival measurements of multiple acoustic delay lines used as passive sensors[J]. IEEE Sensors Journal, 2019, 19(2): 594-602. doi: 10.1109/JSEN.2018.2872867
    [10] HOWLAND P E, MAKSIMIMUK D, REITSMA G. FM radio based bistatic radar[J]. IEE Proceedings-Radar, Sonar and Navigation, 2005, 152(3): 107-115. doi: 10.1049/ip-rsn:20045077
    [11] WANG J, WANG H T, ZHAO Y. Direction finding in frequency-modulated-based passive bistatic radar with a four-element Adcock antenna array[J]. IET Radar, Sonar and Navigation, 2011, 5(8): 807-813. doi: 10.1049/iet-rsn.2010.0262
    [12] 王海涛, 王俊. 基于压缩感知的无源雷达超分辨DOA估计[J]. 电子与信息学报, 2013, 35(4): 877-881. https://www.cnki.com.cn/Article/CJFDTOTAL-DZYX201304019.htm

    WANG H T, WANG J. Super-resolution DOA estimation in passive radar based on compressed sensing[J]. Journal of Electronics & Information Technology, 2013, 35(4): 877-881(in Chinese). https://www.cnki.com.cn/Article/CJFDTOTAL-DZYX201304019.htm
    [13] 左罗, 王俊, 陈刚, 等. 基于TLS-CS的外辐射源雷达超分辨DOA估计方法[J]. 系统工程与电子技术, 2020, 42(1): 61-66. https://www.cnki.com.cn/Article/CJFDTOTAL-XTYD202001009.htm

    ZUO L, WANG J, CHEN G, et al. TLS-CS super-resolution DOA estimation method in PBR[J]. Systems Engineering and Electronics, 2020, 42(1): 61-66(in Chinese). https://www.cnki.com.cn/Article/CJFDTOTAL-XTYD202001009.htm
    [14] 张各各, 王俊, 刘玉春. 一种基于数字电视地面广播照射源的外辐射源雷达快速杂波相消算法[J]. 电子与信息学报, 2013, 35(1): 36-40. https://www.cnki.com.cn/Article/CJFDTOTAL-DZYX201301005.htm

    ZHANG G G, WANG J, LIU Y C. A fast cancellation algorithm for DTTB-based passive radar system[J]. Journal of Electronics & Information Technology, 2013, 35(1): 36-40(in Chinese). https://www.cnki.com.cn/Article/CJFDTOTAL-DZYX201301005.htm
    [15] ABOUTANIOS E, MULGREW B. Iterative frequency estimation by interpolation on Fourier coefficients[J]. IEEE Transactions on Signal Processing, 2005, 53(4): 1237-1242. doi: 10.1109/TSP.2005.843719
    [16] 数字电视地面传输国家标准特别工作组. 数字电视地面广播传输系统帧结构、信道编码和调制: GB 20600-2006[S]. 北京: 中国标准出版社, 2007.

    National Standards Task Force for Terrestrial Digital Television Transmission. Frame structure, channel coding and modulation for digital television terrestrial broadcasting system: GB 20600-2006[S]. Beijing: China Standard Press, 2007(in Chinese).
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出版历程
  • 收稿日期:  2020-04-13
  • 录用日期:  2020-07-19
  • 刊出日期:  2021-06-20

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