本项目旨在利用分布式超宽带步进变频连续波生命探测雷达解决大面积地震废墟内被困人员快速检测与准确三维定位的问题，通过对分布式雷达节点自定位方法、微弱生命迹象检测算法、废墟穿透定位误差补偿算法、步进变频雷达系统设计方法等方面的研究，建立分布式超宽带雷达地震被困人员协同探测技术体系。突破关键技术难题，提出一套充分利用分布式雷达协同探测数据进行被困人员检测与定位的算法，研制分布式超宽带步进变频生命探测雷达系统样机，在典型废墟环境下对本项目所取得的理论和技术成果进行实验验证。本项目的研究将为我国地震救援领域提供一种针对大面积废墟内被困人员的快速检测与准确三维定位的技术手段，有助于提升我国地震救援的技术水平，具有重要的理论研究与应用推广价值，社会经济效益显著。

This project mainly deals with the fast detection and accurate three-dimension (3D) localization problem of the trapped human in the large-area ruins of the earthquake by using the distributed ultra-wide-band (UWB) stepped-frequency continuous-wave (SFCW) life-detection radar. The technology system of the cooperative detection for the trapped human in earthquake with the distributed UWB radar can be established via the studies of the localization method of the distributed radar node, the detection algorithm of the weak life-sign, the compensation algorithm of the localization error caused by ruins penetration, and the design method of SFCW radar system. We will solve the key technologies, and propose a series of detection and localization algorithms for the trapped human which make full use of the cooperative detection data of the distributed radar. We will develop the prototype of UWB SFCW life-detection radar system to validate the theoretical and technology achievements with the experiment data in the typical ruins. The research of this project can provide a technology means to fast detect and accurately 3-D locate the trapped human in the large-area ruins, which can contribute to improving the technology level of earthquake rescue in China. Therefore, it is of great theory significance and application worth, and remarkable social and economic benefits.