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基于钻孔救援的UWB雷达波传输衰减研究及展望

文虎 刘盛铠 郑学召 蔡国斌 黄渊 张会

文虎,刘盛铠,郑学召,等. 基于钻孔救援的UWB雷达波传输衰减研究及展望[J]. 工矿自动化,2023,49(4):42-49.  doi: 10.13272/j.issn.1671-251x.18053
引用本文: 文虎,刘盛铠,郑学召,等. 基于钻孔救援的UWB雷达波传输衰减研究及展望[J]. 工矿自动化,2023,49(4):42-49.  doi: 10.13272/j.issn.1671-251x.18053
WEN Hu, LIU Shengkai, ZHENG Xuezhao, et al. Research and prospect of UWB radar wave transmission attenuation based on borehole rescue[J]. Journal of Mine Automation,2023,49(4):42-49.  doi: 10.13272/j.issn.1671-251x.18053
Citation: WEN Hu, LIU Shengkai, ZHENG Xuezhao, et al. Research and prospect of UWB radar wave transmission attenuation based on borehole rescue[J]. Journal of Mine Automation,2023,49(4):42-49.  doi: 10.13272/j.issn.1671-251x.18053

基于钻孔救援的UWB雷达波传输衰减研究及展望

doi: 10.13272/j.issn.1671-251x.18053
基金项目: 国家自然科学基金项目(52174197);陕西省重点研发计划项目(2023-YBSF-101)。
详细信息
    作者简介:

    文虎(1972—),男,新疆石河子人,教授,博士,博士研究生导师,研究方向为煤自燃预测预报、矿井火灾防治理论与技术及井下应急救援,E-mail:wenh@xust.edu.cn

  • 中图分类号: TD77

Research and prospect of UWB radar wave transmission attenuation based on borehole rescue

  • 摘要: 快速精准地获取井下受灾人员位置是钻孔救援前期生命信息探测的关键问题。针对在垂直钻孔救援过程中,由于探测区域巷道坍塌或终孔位置偏移,无法快速准确地获取被困人员位置,耽误救援的黄金时间,影响人员生命安全的问题,通过开展UWB雷达波传输衰减研究,为现场救援指挥人员快速制定救援方案。分析了UWB雷达波应用于矿山钻孔救援的现状和需求,并结合矿山钻孔救援背景,指出UWB雷达波传输衰减规律,从介质的各向同异性分析了介质的特性参数对雷达波传输衰减的影响;从介电常数、电导率、磁导率和时空变化4个方面分析了介质的电性参数对雷达波传输衰减的影响;从雷达频率和极化2个方面分析了雷达特征参数对雷达波传输衰减的影响。根据上述分析,指出目前对UWB雷达波同时穿透煤岩体等各向异性介质的研究和介质传播衰减机理研究较少;在井下复杂多变或模拟受灾后环境的UWB雷达波传输衰减理论与实验较少,相关规律总结较少;UWB雷达波关键参数与影响因素之间的映射关系数据库尚未完善。并给出未来需研究的关键技术:① 对煤岩体等各向异性介质在宏观与微观上进行研究;② 搭建灾变环境条件下雷达波传输衰减实验模拟系统;③ 增加灾变后非结构环境下UWB雷达信号传播特性的研究与信道建模数值模拟。

     

  • 图  1  矿山钻孔救援UWB雷达波井下探测场景

    Figure  1.  Mine borehold rescue UWB radar wave underground detection scene

    图  2  电磁波传播

    Figure  2.  Electromagnetic wave propagation

    图  3  雷达波频率

    Figure  3.  Radar wave frequency

    图  4  电磁波极化方式

    Figure  4.  Electromagnetic wave polarization mode

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  • 收稿日期:  2022-10-31
  • 修回日期:  2023-03-22
  • 网络出版日期:  2023-04-27

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