目标极化散射特性对极化分集雷达检测性能的影响

张新勋 周生华 刘宏伟

张新勋, 周生华, 刘宏伟. 目标极化散射特性对极化分集雷达检测性能的影响[J]. 雷达学报, 2019, 8(4): 510–518. doi: 10.12000/JR18112
引用本文: 张新勋, 周生华, 刘宏伟. 目标极化散射特性对极化分集雷达检测性能的影响[J]. 雷达学报, 2019, 8(4): 510–518. doi: 10.12000/JR18112
ZHANG Xinxun, ZHOU Shenghua, and LIU Hongwei. Influence of target polarization scattering characteristics on the detection performance of polarization diversity radar[J]. Journal of Radars, 2019, 8(4): 510–518. doi: 10.12000/JR18112
Citation: ZHANG Xinxun, ZHOU Shenghua, and LIU Hongwei. Influence of target polarization scattering characteristics on the detection performance of polarization diversity radar[J]. Journal of Radars, 2019, 8(4): 510–518. doi: 10.12000/JR18112

目标极化散射特性对极化分集雷达检测性能的影响

doi: 10.12000/JR18112
基金项目: 国家自然科学基金(61401329, 61372134, 61372136),国家杰出青年科学基金(61525105)
详细信息
    作者简介:

    张新勋(1982–),男,陕西岐山人,西安电子科技大学博士生,研究方向为MIMO雷达、极化雷达信号处理及波形设计。E-mail: zxx819@sina.com

    通讯作者:

    张新勋   zxx819@sina.com

  • 中图分类号: TN959.1

Influence of Target Polarization Scattering Characteristics on the Detection Performance of Polarization Diversity Radar

Funds: The National Natural Science Foundation of China (61401329, 61372134, 61372136), The National Science Fund for Distinguished Young Scholars (61525105)
More Information
  • 摘要: 针对全极化、混合极化和单极化3种典型体制的极化分集雷达(PDR)系统,该文分析了目标极化散射特性对系统检测性能的影响。基于目标极化散射统计模型和雷达接收电压方程,分别推导了3种体制下的目标回波向量的统计特性。在高斯背景下,设计了奈曼-皮尔逊准则下的最优极化分集多通道融合检测算法,并推导了虚警概率和检测概率的闭式表达式。仿真结果表明,当系统信噪比(SNR)一定时,目标极化散射分量间的相关性是影响系统检测性能的主要因素,特别是匹配极化散射分量和交叉极化散射分量间的相关性。此外,全极化体制和单极化体制的检测性能比混合极化体制稳健。

     

  • 图  1  极化分集雷达接收端信号处理原理框图

    Figure  1.  The schematic diagram of signal processing at receiver of PDR

    图  2  极化分集雷达检测概率曲线

    Figure  2.  Detection probability curves of PDR

    图  3  检测概率与系统信噪比的关系

    Figure  3.  Detection probability versus SNR

    图  4  检测概率与$\rho $实部/虚部的关系

    Figure  4.  Detection probability versus the real/imaginary part of $\rho $

    图  5  检测概率与$\rho $估计值的关系

    Figure  5.  Detection probability versus the estimated $\rho $

    图  6  检测概率与信噪比/功率比估计值的关系

    Figure  6.  Detection probability versus the estimated SNR/power ratio

  • [1] GIULI D. Polarization diversity in radars[J]. Proceedings of the IEEE, 1986, 74(2): 245–269. doi: 10.1109/PROC.1986.13457
    [2] NOVAK L M, SECHTIN M B, and CARDULLO M J. Studies of target detection algorithms that use polarimetric radar data[J]. IEEE Transactions on Aerospace and Electronic Systems, 1989, 25(2): 150–165. doi: 10.1109/7.18677
    [3] 庄钊文, 肖顺平, 王雪松. 雷达极化信息处理及其应用[M]. 北京: 国防工业出版社, 1999: 10–12.

    ZHUANG Zhaowen, XIAO Shunping, and WANG Xuesong. Radar Polarization Information Processing and Application[M]. Beijing: National Defend Industry Press, 1999: 10–12.
    [4] 王伟国, 赵宜楠, 乔晓林. 复合高斯杂波中距离分布目标的极化自适应检测[J]. 宇航学报, 2012, 33(8): 1138–1143. doi: 10.3873/j.issn.1000-1328.2012.08.020

    WANG Weiguo, ZHAO Yi’nan, and QIAO Xiaolin. Polarimetric adaptive detection for range-distributed targets in compound-Gaussian clutter[J]. Journal of Astronautics, 2012, 33(8): 1138–1143. doi: 10.3873/j.issn.1000-1328.2012.08.020
    [5] CHENG Xu, SHI Longfei, CHANG Yuliang, et al. Novel polarimetric detector for target detection in heterogeneous clutter[J]. Journal of Systems Engineering and Electronics, 2016, 27(6): 1135–1141. doi: 10.21629/JSEE.2016.06.01
    [6] CHANG Yuliang, LI Yongzhen, WANG Xuesong, et al. New target detection method in strong active jamming background for polarimetric radar[C]. Proceedings of the IEEE 10th International Conference on Signal Processing Proceedings, Beijing, China, 2010: 1947–1950. doi: 10.1109/ICOSP.2010.5656069.
    [7] 程旭. 全极化雷达目标检测与参数估计方法研究[D]. [博士论文], 国防科学技术大学, 2016: 47–66.

    CHENG Xu. Study on target detection and parameter estimation approaches of fully polarimetric radar[D]. [Ph.D. dissertation], National University of Defense Technology, 2016: 47–66.
    [8] 吕弘, 彭雅莉, 周顺先. 采用收发极化联合优化的极化雷达目标检测新算法[J]. 重庆大学学报, 2018, 41(3): 58–66. doi: 10.11835/j.issn.1000-582X.2018.03.007

    LYU Hong, PENG Yali, and ZHOU Shunxian. A novel target detection algorithm of polarimetric radar based on joint transmit and receive polarization optimization[J]. Journal of Chongqing University, 2018, 41(3): 58–66. doi: 10.11835/j.issn.1000-582X.2018.03.007
    [9] 张晶. 基于极化分集技术的雷达抗干扰与优化检测研究[D]. [博士论文], 哈尔滨工程大学, 2014: 37–119.

    ZHANG Jing. Research on radar anti-interference and optimization detection based on polarization diversity technology[D]. [Ph.D. dissertation], Harbin Engineering University, 2014: 37–119.
    [10] CUI Guolong, KONG Lingjiang, YANG Xiaobo, et al. The Rao and Wald tests designed for distributed targets with polarization MIMO radar in compound-Gaussian clutter[J]. Circuits, Systems, and Signal Processing, 2012, 31(1): 237–254. doi: 10.1007/s00034-010-9250-0
    [11] 赵宜楠, 姜智卓, 唐晨亮, 等. 复合高斯杂波中极化MIMO雷达的自适应检测[J]. 系统工程与电子技术, 2015, 37(11): 2474–2479. doi: 10.3969/j.issn.1001-506X.2015.11.08

    ZHAO Yi’nan, JIANG Zhizhuo, TANG Chenliang, et al. Adaptive detection of polarimetric MIMO radar in compound-Gaussian clutter[J]. Systems Engineering and Electronics, 2015, 37(11): 2474–2479. doi: 10.3969/j.issn.1001-506X.2015.11.08
    [12] LI Na, CUI Guolong, KONG Lingjiang, et al. Moving target detection for polarimetric multiple-input multiple-output radar in Gaussian clutter[J]. IET Radar, Sonar & Navigation, 2015, 9(3): 285–298. doi: 10.1049/iet-rsn.2014.0157
    [13] COLONE F and LOMBARDO P. Non-coherent adaptive detection in passive radar exploiting polarimetric and frequency diversity[J]. IET Radar, Sonar & Navigation, 2016, 10(1): 15–23. doi: 10.1049/iet-rsn.2015.0104
    [14] GAO Wei, YANG Fan, CUI Yi, et al. The extended polarimetric whitening filter and its application to target detection in polarimetric synthetic aperture radar images[J]. IEEE Geoscience and Remote Sensing Letters, 2016, 13(3): 419–423. doi: 10.1109/LGRS.2016.2517089
    [15] SHI Hao, ZHANG Qingjun, BIAN Mingming, et al. A novel ship detection method based on gradient and integral feature for single-polarization synthetic aperture radar imagery[J]. Sensors, 2018, 18(2): 563. doi: 10.3390/s18020563
    [16] SINCLAIR G. The transmission and reception of elliptically polarized waves[J]. Proceedings of the IRE, 1950, 38(2): 148–151. doi: 10.1109/JRPROC.1950.230106
    [17] BORGEAUD M, SHI R T, and KONG J A. Theoretical models for polarimetric radar clutter[J]. Journal of Electromagnetic Waves and Applications, 1987, 1(1): 73–89. doi: 10.1163/156939387X00108
    [18] 赵树杰, 赵建勋. 信号检测与估计理论[M]. 第2版, 北京: 电子工业出版社, 2013: 55–56.

    ZHAO Shujie and ZHAO Jianxun. Signal Detection and Estimation Theory[M]. 2nd ed, Beijing: Publishing House of Electronics Industry, 2013: 55–56.
  • 加载中
图(6)
计量
  • 文章访问数:  1203
  • HTML全文浏览量:  489
  • PDF下载量:  175
  • 被引次数: 0
出版历程
  • 收稿日期:  2018-12-13
  • 修回日期:  2019-01-06
  • 刊出日期:  2019-08-28

目录

    /

    返回文章
    返回