Monte Carlo模拟法进行双能X射线物质识别的研究  

Material Discrimination by Dual-energy X-ray with Monte Carlo Simulation Method

作　　者：张慧[1] 关世荣[1] 庞杨[1] 周巍[1] 梅雪松[1] 滕立才[1] 韩业辉[1] 黄龙川[1] 

机构地区：[1]黑龙江省科学院技术物理研究所,黑龙江哈尔滨150086

出　　处：《中国辐射卫生》2012年第2期136-138,共3页Chinese Journal of Radiological Health

基　　金：黑龙江省科学院春苗专项课题

摘　　要：目的提高X射线物质识别的准确性。方法采用Monte Carlo方法对双能X射线物质识别进行模拟。结果得到六种材料识别曲线与原子序数的关系。结论 Monte Carlo方法可以提高安检系统的材料分辨能力。Objective To improve the accuracy of material recognition with X - ray. Methods By using Monte Carlo method to simulate the material discrimination of dual - energy X - ray. Results Relationship of six materials between recog- nition curves and atomic number was confirmed. Conclusion Monte Carlo method can improve the material classification of practical security inspection systems .

关 键 词：高能X射线 轫致辐射 前向散射 物质识别 

分 类 号：TL751[核科学技术—辐射防护及环境保护]