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一种基于分布式穿墙雷达的复杂条件下人体目标检测方法

史城 叶盛波 潘俊 倪志康 郑之杰 方广有

史城, 叶盛波, 潘俊, 倪志康, 郑之杰, 方广有. 一种基于分布式穿墙雷达的复杂条件下人体目标检测方法[J]. 电子与信息学报, 2022, 44(4): 1193-1202. doi: 10.11999/JEIT211203
引用本文: 史城, 叶盛波, 潘俊, 倪志康, 郑之杰, 方广有. 一种基于分布式穿墙雷达的复杂条件下人体目标检测方法[J]. 电子与信息学报, 2022, 44(4): 1193-1202. doi: 10.11999/JEIT211203
SHI Cheng, YE Shengbo, PAN Jun, NI Zhikang, ZHENG Zhijie, FANG Guangyou. A Human Target Detection Method under Complex Conditions by Distributed Through-Wall Radar System[J]. Journal of Electronics & Information Technology, 2022, 44(4): 1193-1202. doi: 10.11999/JEIT211203
Citation: SHI Cheng, YE Shengbo, PAN Jun, NI Zhikang, ZHENG Zhijie, FANG Guangyou. A Human Target Detection Method under Complex Conditions by Distributed Through-Wall Radar System[J]. Journal of Electronics & Information Technology, 2022, 44(4): 1193-1202. doi: 10.11999/JEIT211203

一种基于分布式穿墙雷达的复杂条件下人体目标检测方法

doi: 10.11999/JEIT211203
基金项目: 国家重点研发计划(2018YFC0810202),国家自然科学基金(61827803)
详细信息
    作者简介:

    史城:男,1994年生,博士生,主要研究方向为超宽带雷达系统设计及人体目标检测算法

    叶盛波:男,1983年生,研究员,硕士生导师,主要研究方向为超宽带雷达系统设计及微波信号处理与成像算法

    潘俊:男,1994年生,博士生,主要研究方向为穿墙雷达目标检测与成像方法

    倪志康:男,1995年生,博士生,主要研究方向为探地雷达信号处理和机器学习

    郑之杰:男,1997年生,博士生,主要研究方向为穿墙人体姿态估计和活动识别、深度学习和跨模态学习

    方广有:男,1963年生,研究员,博士生导师,主要研究方向为超宽带电磁场理论及其工程应用、超宽带雷达成像技术、微波成像新方法和新技术等

    通讯作者:

    方广有 gyfang@mail.ie.ac.cn

  • 中图分类号: TN957.52

A Human Target Detection Method under Complex Conditions by Distributed Through-Wall Radar System

Funds: The National Key R&D Program of China (2018YFC0810202), The National Natural Science Foundation of China (61827803)
  • 摘要: 超宽带雷达由于具有距离分辨率高、穿透性强等特点,被广泛应用于废墟下的人体救援。然而,在复杂的环境条件下,依靠单台雷达对被困人员进行检测是一个巨大的挑战。该文基于分布式穿墙雷达系统,提出一种低信噪比条件下的人体目标自动检测方法。首先,两台超宽带脉冲雷达分时交替进行工作,从而避免探测时的互相干扰;然后对两台雷达的回波数据进行慢时间维度互相关处理,增强人体呼吸信号;其次,利用适配于分布式穿墙雷达的恒虚警率检测,实现人体呼吸信号的快速、自动检测;最后,通过三角定位方法实现被困人员的2维定位。一系列的实验结果表明,所提方法可以在低信噪比条件下实现人体的检测,其探测性能优于单台雷达。
  • 图  1  时域呼吸信号模型

    图  2  单台雷达主机结构框图

    图  3  分布式穿墙雷达系统时序图

    图  4  所提出的人体目标检测方法流程图

    图  5  适配于分布式穿墙雷达的CFAR能量窗

    图  6  空气中远距离探测实验结果

    图  7  文献[13]的方法处理结果

    图  8  穿透多层介质探测实验结果

    图  9  穿透废墟探测实验结果

    图  10  穿墙多目标探测实验结果

    表  1  分布式穿墙雷达参数

    参数参数值
    脉冲波形高斯脉冲
    中心频率500 MHz
    脉冲重频32 kHz
    快时间采样率16 GHz
    慢时间采样率8 Hz
    采样点数4096
    下载: 导出CSV

    表  2  不同算法的运行时间对比(s)

    文献[13]的算法算法A所提算法
    运算时间1.01112.193.27
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-11-01
  • 修回日期:  2022-03-03
  • 录用日期:  2022-03-10
  • 网络出版日期:  2022-03-11
  • 刊出日期:  2022-04-18

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