Collaborative Detection Technology for Detecting Trapped Personnel by Distributed UWB Radar Earthquake
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摘要: 针对震后在大面积废墟下快速准确检测与定位被困人员的需求，本论文提出了用分布式超宽带雷达探测地震被困人员的技术，主要包括对分布式超宽带雷达协同探测网络构建、超宽带雷达生命迹象探测算法、分布式雷达节点探测数据融合方法等3个方面进行研究，对多雷达干扰抑制、分布式雷达节点自定位、微弱生命迹象稳健探测、废墟穿透定位误差补偿等关键技术难题提供了设计方案，为完成分布式超宽带雷达系统的研制奠定了技术基础。Abstract: In this paper, a distributed ultra-wideband radar cooperative detection technology is proposed, which mainly includes the construction of distributed ultra-wideband radar cooperative detection network and the detection of UAV radar life signs. We studied the algorithm, distributed radar node detection data fusion method, and designed the distributed ultra-wideband life detection radar system, multi-radar interference suppression, distributed radar node self-localization, weak life signs robust detection, ruin penetration positioning error compensation. The results provide a technical base, in order to complete the development of distributed ultra-wideband radar system in the future.
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图 9 基于多脉冲积累的超宽带雷达迹象检测算法流程图
Figure 9. Flow chart of the UWB radar indications detection algorithm based on multi-pulse accumulation
图 10 基于等效介质穿透的距离补偿算法
Figure 10. Distance compensation algorithm based on equivalent media penetration
图 11 目标立体测距示意图
Figure 11. Schematic diagram of the target detection in three-dimensional range
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