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近距离慢速目标检测杂波抑制方法

郑霖 姚伟伟 杨超 仇洪冰

郑霖, 姚伟伟, 杨超, 仇洪冰. 近距离慢速目标检测杂波抑制方法[J]. 电子与信息学报, 2018, 40(10): 2506-2512. doi: 10.11999/JEIT180031
引用本文: 郑霖, 姚伟伟, 杨超, 仇洪冰. 近距离慢速目标检测杂波抑制方法[J]. 电子与信息学报, 2018, 40(10): 2506-2512. doi: 10.11999/JEIT180031
Lin ZHENG, Weiwei YAO, Chao YANG, Hongbing QIU. Clutter Suppression Method for Short Range Slow Moving Target Detection[J]. Journal of Electronics & Information Technology, 2018, 40(10): 2506-2512. doi: 10.11999/JEIT180031
Citation: Lin ZHENG, Weiwei YAO, Chao YANG, Hongbing QIU. Clutter Suppression Method for Short Range Slow Moving Target Detection[J]. Journal of Electronics & Information Technology, 2018, 40(10): 2506-2512. doi: 10.11999/JEIT180031

近距离慢速目标检测杂波抑制方法

doi: 10.11999/JEIT180031
基金项目: 国家自然科学基金(61571143, 61371107);广西无线宽带通信与信号处理重点实验室基金(GXKL061501);通信网信息传输与分发技术重点实验室开发课题(KX172600033)
详细信息
    作者简介:

    郑霖:男,1973年生,教授,主要研究方向为无线宽带通信与定位、自适应信号处理、无线传感网络

    姚伟伟:男,1992年生,硕士生,研究方向为通信雷达一体化

    杨超:男,1988年生,博士生,研究方向为无线通信、通信雷达一体化

    仇洪冰:男,1963年生,教授,主要研究方向为无线通信、超宽带通信、无线传感网络

    通讯作者:

    郑霖  gwzheng@gmail.com

  • 中图分类号: TN953

Clutter Suppression Method for Short Range Slow Moving Target Detection

Funds: The National Natural Science Foundations of China (61571143, 61371107), The Wideband Wireless Communications & Signal Processing Key Lab oratory. Foundation of Guangxi (GXKL061501), The Science and Technology on Communication Networks Laboratory Foundation (KX172600033)
  • 摘要: 针对强杂波环境下近距慢速运动目标检测问题,该文提出一种基于相位编码及子空间投影的杂波抑制方法。主要对周期探测信号调制Chirp相位编码,通过回波慢时间维解码使杂波近似白化,降低杂波与目标回波相关性,再依据白化后杂波及有用信号成分自相关性差异分离出信号和杂波干扰子空间;最后将接收信号投影至正交于杂波子空间的信号子空间来抑制杂波。由于该方法中杂波空间的构建不需要假设杂波模型,避免了模型假设与实际环境不匹配的问题。仿真结果和实测数据处理结果证明该方法在低信杂比条件下性能明显优于传统方法。
  • 图  1  接收端数据处理框图

    图  2  杂波白化前后对比

    图  3  回波信号特征值分布

    图  4  杂波抑制后的距离-多普勒图

    图  5  实测装置及场景设置

    图  6  杂波抑制后的距离-多普勒图

    表  1  雷达系统仿真参数取值表

    参数 数值
    信号带宽 60 MHz
    载波频率 2.45 GHz
    Chirp时长 2 μs
    脉冲积累数目 200
    IQ采样频率 60 MHz
    脉冲重复周期 2 ms
    下载: 导出CSV
  • LI C Z, PENG Z Y, HUANG T Y, et al. A review on recent progress of portable short-range noncontact microwave radar systems[J]. IEEE Transactions on Microwave Theory&Techniques, 2017, 65(5): 1692–1706 doi: 10.1109/TMTT.2017.2650911
    HYUN E, JIN Y S, and LEE J H. A pedestrian detection scheme using a coherent phase difference method based on 2D range-Doppler FMCW radar[J]. Sensors, 2016, 16(1): 124–137 doi: 10.3390/s16010124
    TAKAHASHI R, HIRATA K, HARA T, et al. Coherent integration with null constraint on clutter spectrum for pulse Doppler radar[C]. IEEE Radar Conference, Atlanta, USA, 2012: 0068–0073.
    MARK J W and WOODS H A. A recursive digital MTI radar filter[J]. Proceedings of the IEEE, 1972, 60(6): 728–729 doi: 10.1109/PROC.1972.8736
    XIE Wenchong, ZHAO Guolin, SHAO Yinbo, et al. Ground moving target detection technique for airborne fire-control radar[C]. International Congress on Image and Signal Processing, Hangzhou, China, 2014: 1588–1592.
    ROY A and MITRA D. Multi-target trackers using cubature Kalman filter for Doppler radar tracking in clutter[J]. IET Signal Processing, 2016, 10(8): 888–901 doi: 10.1049/iet-spr.2015.0540
    陈小龙, 关键, 于晓涵, 等. 基于短时稀疏时频分布的雷达目标微动特征提取及检测方法[J]. 电子与信息学报, 2017, 39(5): 1017–1023 doi: 10.11999/JEIT161040

    CHEN Xiaolong, GUAN Jian, YU Xiaohan, et al. Radar micro-Doppler signature extraction and detection via short-time sparse time-frequency distribution[J]. Journal of Electronics&Information Technology, 2017, 39(5): 1017–1023 doi: 10.11999/JEIT161040
    罗兴旺, 张伯彦, 刘嘉, 等. 雷达数据处理中的杂波抑制方法[J]. 系统工程与电子技术, 2016, 38(1): 37–44 doi: 10.3969/j.issn.1001-506X.2016.01.07

    LUO Xingwang, ZHANG Boyan, LIU Jia, et al. Researches on the method of clutter suppression in radar data processing[J]. Systems Engineering and Electronics, 2016, 38(1): 37–44 doi: 10.3969/j.issn.1001-506X.2016.01.07
    LIM H S, JEONG S H, and LEE K H. Rejection of road clutter using mean-variance method with OS-CFAR for automotive applications[C]. International Conference on Electrical and Control Engineering, Yichang, China, 2011: 4886–4889.
    VERMA P K, GAIKWAD A N, SINGH D, et al. Analysis of clutter reduction techniques for through wall imaging in UWB range[J]. Progress in Electromagnetics Research B, 2009, 17: 29–48 doi: 10.2528/PIERB09060903
    COLONE F, O’HAGAN D W, LOMBARDO P, et al. A multistage processing algorithm for disturbance removal and target detection in passive bistatic radar[J]. IEEE Transactions on Aerospace&Electronic Systems, 2009, 45(2): 698–722 doi: 10.1109/TAES.2009.5089551
    CARDINALI R, COLONE F, FERRETTI C, et al. Comparison of clutter and multipath cancellation techniques for passive radar[C]. IEEE Radar Conference, Boston, USA, 2007: 469–474.
    ABUJARAD F, NADIM G, and OMAR A. Clutter reduction and detection of landmine objects in ground penetrating radar data using singular value decomposition (SVD)[C]. International Workshop on Advanced Ground Penetrating Radar, Delft, 2005: 37–42
    HOU Shujie, QIU R, BROWNING J P, et al. Target detection with linear and kernel subspaces matching in the presence of strong clutter[C]. IEEE Radar Conference, Atlanta, USA, 2012: 0372–0376.
    TIVIVE F H C, BOUZERDOUM A, and AMIN M G. A subspace projection approach for wall clutter mitigation in through-the-wall radar imaging[J]. IEEE Transactions on Geoscience and Remote Sensing, 2014, 53(4): 2108–2122 doi: 10.1109/TGRS.2014.2355211
    TANG Hui, WAN Xianrong, and KE Hengyu. Signal detection in clutter and noise using well-characterized subspace[J]. IEEE Signal Processing Letters, 2017, 24(9): 1343–1347 doi: 10.1109/LSP.2017.2731782
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出版历程
  • 收稿日期:  2018-01-09
  • 修回日期:  2018-05-02
  • 网络出版日期:  2018-07-30
  • 刊出日期:  2018-10-01

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