双层模型法仿真探测通道参数漂移  

Simulation of Parameter Drift in Detection Channel with Double-layer Model

作　　者：彭亚娜[1] 黄洪全[2] 蒋开明[2] 马兴科 PENG Ya na;HUANG Hong quan;JIANG Kai ming;MA Xing-ke(Chengdu Aeronautie Polytechnie,Chengdu 610100,China;School of Nuclear Technology and Automation,Chengdu University of Technology,Chengdu 610059,China)

机构地区：[1]成都航空职业技术学院,成都610100 [2]成都理工大学核技术与自动化工程学院,成都610059

出　　处：《核电子学与探测技术》2020年第3期422-426,共5页Nuclear Electronics & Detection Technology

基　　金：国家自然科学基金(11675028、41774140);四川省教育厅重点项目基金(18ZA0050)资助。

摘　　要：针对放射性测量中探测通道参数的漂移问题,采用双层模型法对探测通逍的状态进行仿真,通过状态变迁的控制和设置,借助能谱的漂移来逼真地仿真探测通道参数的漂移现象。并结合X射线能谱的具体实例.有效地运用该方法进行了漂移过程的仿真。实验结果表明:该方法能高效地实现漂移现象的多样性、灵活性和一致性,为能谱解析及修正方法提供丰富的实验数据,是教学与科研中能有效利用的探测通道参数漂移仿真方法。Aiming at the drift of detection channel parameters in radioactivity m easurem ent,the simulation method for the state of detection channel based on double-layer model is presented.Through the control and setting of state transition,the drift of energy spectrum is used to simulate the drift phenomenon of channel parameters realistically.Combined with the practical example of X-ray energy spectrum,the drift process is simulated effectively by this method.The analysis shows that this method can efficiently realize the diversity,flexibility and consistency of drift phenomenon,and provide abundant experimental data for the spectral analysis and correction method.It is a simulation method of detection channel parameter drift which can be used effectively in teaching and scientific research.

关 键 词：漂移 探测通道 双层模型 仿真 

分 类 号：TL82[核科学技术—核技术及应用]