摘要
使用MOCA程序模拟基于PGNAA技术的地雷探测过程并对可行性进行讨论.利用自主研制的NG-9型中子发生器搭建整套地雷探测系统,LYSO作为γ探测器,对埋藏在含5%水分土壤中反坦克地雷的位置范围进行三维测量确定.结果表明,以C元素特征峰作为主要探测判据,对质量为3.46kg反坦克地雷探测,MOCA程序构造的探雷装置最大探测深度为9cm,从地面扫描确定地雷位置精度高,可作为地雷探测的一种有效手段.
MOCA simulation based on the PGNAA technology on the feasibility of mine detect process was discussed.The system of mine detection was built by the self-made NG-9 neutron generator and used LYSO as gamma detector in the system.The 3D position range of anti-tank mines buried in 5%moisture soil was determined.The results showed that for a 3.46 kg anti-tank mine,taking the characteristic peaks of C element as the main criterion,the maximum detectable depth using the mine detection system structured by MOCA code was 9 cm.The high positional accuracy of mine scanning from above the ground could be used as an effective method in mine detection.
作者
李昌华
朱晨熙
陈向春
曹倩
龙渝
景士伟
LI Chang-hua;ZHU Chen-xi;CHEN Xiang-chun;CAO Qian;LONG Yu;JING Shi-wei(School of Physics,Northeast Normal University,Changchun 130024,China;National Experimental Teaching Demonstration Center of Physics(Northeast Normal University),Northeast Normal University,Changchun 130024,China)
出处
《物理实验》
2018年第11期45-50,共6页
Physics Experimentation
基金
自然基金面上项目(No.11275046)
关键词
PGNAA
地雷
蒙特卡罗模拟
MOCA
能谱分析
中子发生器
prompt gamma neutron activation analysis
mine
Monte Carlo simulation
MOCA
spectrum analysis
neutron generator
