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穿墙雷达人体动作识别技术的研究现状与展望

丁一鹏 厍彦龙

丁一鹏, 厍彦龙. 穿墙雷达人体动作识别技术的研究现状与展望[J]. 电子与信息学报, 2022, 44(4): 1156-1175. doi: 10.11999/JEIT211051
引用本文: 丁一鹏, 厍彦龙. 穿墙雷达人体动作识别技术的研究现状与展望[J]. 电子与信息学报, 2022, 44(4): 1156-1175. doi: 10.11999/JEIT211051
DING Yipeng, SHE Yanlong. Research Status and Prospect of Human Movement Recognition Technique Using Through-Wall Radar[J]. Journal of Electronics & Information Technology, 2022, 44(4): 1156-1175. doi: 10.11999/JEIT211051
Citation: DING Yipeng, SHE Yanlong. Research Status and Prospect of Human Movement Recognition Technique Using Through-Wall Radar[J]. Journal of Electronics & Information Technology, 2022, 44(4): 1156-1175. doi: 10.11999/JEIT211051

穿墙雷达人体动作识别技术的研究现状与展望

doi: 10.11999/JEIT211051
基金项目: 国家自然科学基金(61501525),湖南创新型省份建设专项(2020RC3004)
详细信息
    作者简介:

    丁一鹏:男,1987年生,副教授,研究方向为雷达信号处理

    厍彦龙:男,1996年生,硕士生,研究方向为雷达信号处理

    通讯作者:

    丁一鹏 dingyipeng@sina.com

  • 中图分类号: TN911

Research Status and Prospect of Human Movement Recognition Technique Using Through-Wall Radar

Funds: The National Natural Science Foundation of China (61501525), The Special Foundation of Innovative Province Construction of Hunan (2020RC3004)
  • 摘要: 在人体目标的动作识别应用中,穿墙雷达(TWR)具有隐蔽性高、探测能力强和不易受环境因素限制等优点,同时兼具良好的目标隐私信息保护能力,在武装反恐、安保监控和医疗看护等领域发挥出重要作用。为了梳理穿墙雷达对人体目标动作识别技术的发展脉络以及预测该技术的未来发展趋势,该文首先简要介绍穿墙探测的工作原理,并对不同体制穿墙雷达的特点进行比较和讨论;然后,围绕穿墙雷达人体动作识别应用中的雷达成像、特征参数提取和动作状态判决等关键技术,对国内外公开发表的相关文献进行了归纳分析;最后,对穿墙雷达的人体动作识别技术研究进行总结和展望,指出该技术在目前实际应用中所面临的潜在问题和挑战。
  • 图  1  典型的穿墙雷达目标探测场景示意图

    图  2  常见障碍物材料对不同频率电磁波信号的衰减效用对比图[13]

    图  3  不同体制穿墙雷达发射信号的波形示意图

    图  4  Soldovieri等人[38]的人体目标探测场景和成像结果示意

    图  5  Zhang等人[39]的人体目标探测场景和2维成像结果示意

    图  6  Zhang等人[40]的人体目标探测场景和3维成像结果示意

    图  7  Dubroca等人[48]的人体目标探测场景和成像结果示意

    图  8  Gollub等人[49]的人体目标探测场景和成像结果示意

    图  9  Wang等人[52]的人体目标探测场景和2维成像结果示意

    图  10  Ahmad等人[53]的目标探测场景和3维成像结果示意

    图  11  Kong等人[55]的人体目标探测场景和3维成像结果示意

    图  12  Zhao等人[56]的人体目标探测场景和成像结果示意

    图  13  Adib等人[57]的人体目标探测场景和成像结果示意

    图  14  Chen等人[61]的目标特征参数提取结果示意

    图  15  Kim等人[62]的目标探测场景与特征参数提取结果示意

    图  16  Zeng等人[63]的目标探测场景与特征参数提取结果示意

    图  17  Du等人[65]的目标特征参数提取结果示意

    图  18  Orovic等人[68]的目标特征参数提取结果示意

    表  1  部分穿墙雷达产品的性能参数

    研发机构产品名称中心频率(GHz)带宽(GHz)最大探测距离(m)距离分辨率(cm)主要功能
    时域公司(美国)Radar Vision3.853.51052维定位
    劳伦斯 ⋅利物摩亚实验室(美国)MIR-I2.5150152维定位
    卡梅罗公司(以色列)Xaver 8004.83.420 202维定位/3维成像
    剑桥咨询公司(英国)Prism 2001.950.520303维成像
    华诺星空(中国)CE20030302维定位
    必肯科技(中国)警视-20.5092维定位
    凌天世纪(中国)YSR-1201.21.212 2维定位
    下载: 导出CSV

    表  2  不同体制穿墙雷达的探测特点比较

    雷达体制发射波形优点缺点
    窄带
    穿墙雷达
    单频/多频连续波信号系统简单,抗静态干扰能力强,
    信号处理速度快
    获取的目标信息量少,对目标参数的估计精度低,
    识别准确率较差,能耗大
    超宽带
    穿墙雷达
    窄脉冲信号穿透能力强,分辨率高存在探测范围和距离分辨率间的取舍矛盾,
    抗干扰能力弱,探测存在盲区
    步进频/线性调频信号同时获得优秀的探测范围和距离分辨率抗干扰能力弱,信号处理实时性差,难以对快速变化的目标信息做出及时反应
    伪随机码/噪声信号穿透能力强,分辨率高,抗干扰能力强,隐蔽性强发射信号的产生困难,系统成本高,功率受限于特定器件限制。信号的伪随机特性容易导致误差累积效应,
    在长时间工作条件下性能不稳定
    下载: 导出CSV
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  • 收稿日期:  2021-09-28
  • 修回日期:  2021-12-12
  • 录用日期:  2021-12-14
  • 网络出版日期:  2022-01-11
  • 刊出日期:  2022-04-18

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