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多放射源3D搜寻定位系统设计与模拟 被引量:2

The Design and Simulation of Searching and Locating Positions System of Multiple Radioactive Sources
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摘要 为实现对多个放射源的搜寻定位,设计了用于确定放射源坐标的探测系统。探测系统基于方位角测量,用Na I探测器辨别γ放射源的方向。利用MCNP软件进行多放射源搜寻定位模拟实验,结果表明探测系统能够在多个放射源形成的辐射场中实现对放射源的搜寻并确定其空间坐标,且坐标偏差较小。探测系统可用于搜寻丢失的γ放射源并尽快确定其空间坐标。 In order to search multiple radioactive sources and locate their coordinates as soon as possible,a detection system has been designed. The detection system based on azimuth measurements,and Na I detectors are used to identify the direction of the gamma sources. In this study,MCNP software was used to do some simulations of searching multiple radioactive sources and locating their coordinates. The analog results show that the detection system can be used to get the coordinate of each radiation source in a radiation field produced by a plurality of radiation sources with a low positioning deviation. The detection system can be used to search for the missing gamma radiation sources and determine their space coordinates as soon as possible.
出处 《核电子学与探测技术》 CAS 北大核心 2015年第11期1128-1133,共6页 Nuclear Electronics & Detection Technology
关键词 多放射源定位 空间坐标 准直探测器 蒙特卡罗模拟 multiple radiation sources location spatial coordinate collimated detector MCNP
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