X射线衍射技术在安检领域的研究进展  

Research Progress of X-ray Diffraction Technology in Security Inspection

作　　者：黄清萍[1,2] 金鑫 许晓飞 朱国曦 张丽 HUANG Qingping;JIN Xin;XU Xiaofei;ZHU Guoxi;ZHANG Li(Department of Engineering Physics,Tsinghua University,Beijing 100084,China;NUCTECH Company Limited,Beijing 100084,China)

机构地区：[1]清华大学工程物理系,北京100084 [2]同方威视技术股份有限公司,北京100084

出　　处：《CT理论与应用研究（中英文）》2023年第6期843-856,共14页Computerized Tomography Theory and Applications

基　　金：中核集团青年英才计划(2021-33)。

摘　　要：暴恐事件的频发严重影响了国际社会的安全和秩序,给客运、货运安全带来了前所未有的挑战。有效打击恐怖活动,保障人身、财产安全,是国内乃至全球公共安全领域的重要诉求。因此,如何通过高技术手段提升安全检查能力,成为人们关注的重要问题和研究热点。X射线衍射(XRD)技术能在分子层面上识别违禁品,具有较高的区分度,在安全检查领域有着广阔的应用前景。本文从衍射的基础理论出发,简述目前能量色散X射线衍射(EDXRD)检测方案与识别算法的研究进展,分析EDXRD技术的优势并搭建系统验证有效性,最后对XRD的发展方向作展望,以期进一步推动此技术在公共安全领域发挥更加重要的作用。The frequent occurrence of terrorist incidents has seriously affected the security and order of the international community,bringing unprecedented challenges to the safety of passenger and freight transportation.Effectively combating terrorist activities and ensuring personal and property safety are important demands in the field of public security both domestically and globally.Therefore,how to enhance security inspection capabilities through high-tech means has become an important issue and research hotspot of concern.X-ray diffraction(XRD)technology can identify prohibited substances at the molecular level,with high discrimination,and has broad application prospects in the field of safety inspection.Starting from the basic theory of diffraction,this article briefly describes the current research progress in the structure and recognition algorithms of XRD systems,as well as the advantages of XRD technology.An XRD system was built to verify its effectiveness.Finally,the development direction of XRD was prospected,with the aim of further promoting this technology to play a more important role in the field of public safety.

关 键 词：X射线衍射 辐射成像 特异物质识别 公共安检 衍射谱智能识别 

分 类 号：TL81[核科学技术—核技术及应用] TP391[自动化与计算机技术—计算机应用技术]