留言板

尊敬的读者、作者、审稿人, 关于本刊的投稿、审稿、编辑和出版的任何问题, 您可以本页添加留言。我们将尽快给您答复。谢谢您的支持!

姓名
邮箱
手机号码
标题
留言内容
验证码

一种主瓣干扰下基于滑窗子阵的稀疏测角方法

周必雷 李荣锋 曾丽 陈辉 刘维建 李槟槟

周必雷,李荣锋,曾丽,等. 一种主瓣干扰下基于滑窗子阵的稀疏测角方法[J]. 北京航空航天大学学报,2023,49(7):1623-1629 doi: 10.13700/j.bh.1001-5965.2021.0552
引用本文: 周必雷,李荣锋,曾丽,等. 一种主瓣干扰下基于滑窗子阵的稀疏测角方法[J]. 北京航空航天大学学报,2023,49(7):1623-1629 doi: 10.13700/j.bh.1001-5965.2021.0552
ZHOU B L,LI R F,ZENG L,et al. A sparse estimation method for radar target direction with sliding-window subarray configuration in mainlobe jamming[J]. Journal of Beijing University of Aeronautics and Astronautics,2023,49(7):1623-1629 (in Chinese) doi: 10.13700/j.bh.1001-5965.2021.0552
Citation: ZHOU B L,LI R F,ZENG L,et al. A sparse estimation method for radar target direction with sliding-window subarray configuration in mainlobe jamming[J]. Journal of Beijing University of Aeronautics and Astronautics,2023,49(7):1623-1629 (in Chinese) doi: 10.13700/j.bh.1001-5965.2021.0552

一种主瓣干扰下基于滑窗子阵的稀疏测角方法

doi: 10.13700/j.bh.1001-5965.2021.0552
基金项目: 国家自然科学基金(62001510)
详细信息
    通讯作者:

    E-mail:zhoubilei666888@sina.com

  • 中图分类号: TN911.7

A sparse estimation method for radar target direction with sliding-window subarray configuration in mainlobe jamming

Funds: National Natural Science Foundation of China (62001510)
More Information
  • 摘要:

    雷达抗主瓣干扰(MLJ)一直是雷达领域的难点问题,针对主瓣干扰环境下的雷达目标角度测量问题,提出一种主瓣干扰下基于滑窗子阵的稀疏测角方法,对各子阵进行自适应主瓣干扰抑制处理,并利用自适应后的子阵间相位关系构建角度原子库,采用正交匹配追踪(OMP)算法估计目标角度。当目标与干扰夹角为1/2个3 dB波束宽度时(目标输入信噪比为20 dB),目标角度估计误差小于1/10倍3 dB波束宽度,所提方法无需先验信息,可同时抑制主、副瓣干扰或多个主瓣干扰,并保证较高的目标测角精度。

     

  • 图 1  本文方法原理框图

    Figure 1.  Diagram of proposed method

    图 2  目标参数估计结果

    Figure 2.  Target parameter estimation results

    图 3  目标角度估计RMSE

    Figure 3.  RMSE of target direction estimation

    图 4  目标角度估计精度对比曲线

    Figure 4.  Comparison curves of target direction estimation accuracy

    表  1  仿真条件设置

    Table  1.   Simulation parameters setting

    条件设置
    阵列天线20元等距均匀线阵
    阵元间距半波长
    滑窗子阵数15
    波束指向/(°)0
    B0.5(3 dB波束宽度)/(°)5.05
    雷达发射信号线性调频信号,带宽5 MHz,脉宽20 μs,
    采样频率10 MHz,阵元级SNRe=0 dB
    干扰主瓣压制干扰
    目标位于第100个距离门,空间位置在0°
    下载: 导出CSV

    表  2  干扰环境设置

    Table  2.   Jamming parameters setting

    干扰环境数量干噪比/dB类型干扰与目标的
    归一化夹角/(°)
    1150主瓣噪声
    压制干扰
    0.5 B0.5
    2250, 50主/副瓣噪声
    压制干扰
    0.5 B0.5,10 B0.5
    3250, 50主/主瓣噪声
    压制干扰
    0.5 B0.5, 0.5 B0.5
    下载: 导出CSV
  • [1] 王永良, 丁前军, 李荣锋. 自适应阵列处理[M]. 北京: 清华大学出版社, 2009.

    WANG Y L, DING Q J, LI R F. Adaptive array processing[M]. Beijing: Tsinghua University Press, 2009 (in Chinese).
    [2] 李荣锋, 王永良, 万山虎. 主瓣干扰下自适应方向图保形方法的研究[J]. 现代雷达, 2002, 24(3): 50-53. doi: 10.3969/j.issn.1004-7859.2002.03.015

    LI R F, WANG Y L, WAN S H. Research of reshaping adapted pattern under mainlobe interference conditions[J]. Modern Radar, 2002, 24(3): 50-53(in Chinese). doi: 10.3969/j.issn.1004-7859.2002.03.015
    [3] 李荣锋, 王永良, 万山虎. 一种在主瓣干扰条件下稳健的自适应波束形成方法[J]. 系统工程与电子技术, 2002, 24(7): 61-64. doi: 10.3321/j.issn:1001-506X.2002.07.019

    LI R F, WANG Y L, WAN S H. Robust adaptive beam forming under main lobe interference conditions[J]. Systems Engineering and Electronics, 2002, 24(7): 61-64(in Chinese). doi: 10.3321/j.issn:1001-506X.2002.07.019
    [4] 潘帅, 张永顺, 葛启超, 等. 基于特征投影矩阵的自适应方向图改善方法[J]. 空军工程大学学报(自然科学版), 2019, 20(2): 47-52.

    PAN S, ZHANG Y S, GE Q C, et al. Research on improvement of adaptive pattern based on eigen-projection matrix[J]. Journal of Air Force Engineering University (Natural Science Edition), 2019, 20(2): 47-52(in Chinese).
    [5] APPLEBAUM S P, WASIEWICZ R. Main beam jammer cancellation for monopulse sensors: DTIC RADC-TR-86-267[R]. Washington, D. C.: DTIC, 1984.
    [6] YU K B, MURROW D J. Combining sidelobe canceller and mainlobe canceller for adaptive monopulse radar processing: US6867726[P]. 2005-03-15.
    [7] YU K B, MURROW D J. Adaptive digital beamforming for angle estimation in jamming[J]. IEEE Transactions on Aerospace and Electronic Systems, 2001, 37(2): 508-523. doi: 10.1109/7.937465
    [8] LI R F, RAO C, DAI L Y, et al. Combining sum-difference and auxiliary beams for adaptive monopulse in jamming[J]. Journal of Systems Engineering and Electronics, 2013, 24(3): 372-381. doi: 10.1109/JSEE.2013.00046
    [9] 周必雷, 李荣锋, 戴凌燕, 等. 和差四通道及辅助阵元联合自适应单脉冲方法[J]. 系统工程与电子技术, 2017, 39(9): 1905-1914. doi: 10.3969/j.issn.1001-506X.2017.09.01

    ZHOU B L, LI R F, DAI L Y, et al. Adaptive monopulse algorithm combining four-channel sum-difference beam and auxiliary elements[J]. Systems Engineering and Electronics, 2017, 39(9): 1905-1914(in Chinese). doi: 10.3969/j.issn.1001-506X.2017.09.01
    [10] CHEN X Z, SHU T, YU K B, et al. Enhanced ADBF architecture for monopulse angle estimation in multiple jammings[J]. IEEE Antennas and Wireless Propagation Letters, 2017, 16: 2684-2687. doi: 10.1109/LAWP.2017.2740958
    [11] YU K B. Mainlobe cancellation, orthogonal nulling and product patterns[C]// 2016 IEEE International Symposium on Phased Array Systems and Technology (PAST). Piscataway: IEEE Press, 2017: 1-7.
    [12] RAO C, LI R F, DAI L Y. Monopulse estimation with multipoint constrained adaptation in mainlobe jamming[C]// Proceedings of 2011 IEEE CIE International Conference on Radar. Piscataway: IEEE Press, 2012: 1054-1057.
    [13] 李荣锋, 饶灿, 戴凌燕, 等. 子阵间约束自适应和差单脉冲测角算法[J]. 华中科技大学学报(自然科学版), 2013, 41(9): 6-10. doi: 10.13245/j.hust.2013.09.013

    LI R F, RAO C, DAI L Y, et al. Algorithm for constrained adaptive sum-difference monopulse among sub-arrays[J]. Journal of Huazhong University of Science and Technology (Natural Science Edition), 2013, 41(9): 6-10(in Chinese). doi: 10.13245/j.hust.2013.09.013
    [14] 王文涛, 周青松, 刘兴华, 等. Fast ICA盲分离算法在雷达抗主瓣干扰中的应用研究[J]. 现代雷达, 2015, 37(12): 40-44.

    WANG W T, ZHOU Q S, LIU X H, et al. A study on radar mainlobe jamming suppression based on blind source separation of fast ICA[J]. Modern Radar, 2015, 37(12): 40-44(in Chinese).
    [15] 王建明, 伍光新, 周伟光. 盲源分离在雷达抗主瓣干扰中的应用研究[J]. 现代雷达, 2010, 32(10): 46-49. doi: 10.3969/j.issn.1004-7859.2010.10.011

    WANG J M, WU G X, ZHOU W G. A study on radar mainlobe jamming suppression based on blind source separation algorithm[J]. Modern Radar, 2010, 32(10): 46-49(in Chinese). doi: 10.3969/j.issn.1004-7859.2010.10.011
    [16] CAI T T, ZHANG A R. Compressed sensing and affine rank minimization under restricted isometry[J]. IEEE Transactions on Signal Processing, 2013, 61(13): 3279-3290. doi: 10.1109/TSP.2013.2259164
  • 加载中
图(4) / 表(2)
计量
  • 文章访问数:  215
  • HTML全文浏览量:  60
  • PDF下载量:  18
  • 被引次数: 0
出版历程
  • 收稿日期:  2021-09-14
  • 录用日期:  2021-10-29
  • 网络出版日期:  2021-11-09
  • 整期出版日期:  2023-07-31

目录

    /

    返回文章
    返回
    常见问答