γ能谱分析中本底扣除算法特性比较  

Characteristic Comparison of Background Deduction Algorithms in Gamma Spectrum Analysis

作　　者：常兰[1,2] 蔡小杰 张志峰 郭帅 CHANG Lan;CAI Xiao-jie;ZHANG Zhi-feng;GUShuai(Chengdu University of Technology College of Engineering Technology,Leshan Sichuan 614000,China;Southwest Institute of Physics,Chengdu 610225,China)

机构地区：[1]成都理工大学工程技术学院,四川乐山614000 [2]核工业西南物理研究院,成都610225

出　　处：《核电子学与探测技术》2019年第6期661-663,共3页Nuclear Electronics & Detection Technology

基　　金：四川省教育厅项目(18ZA0065)资助。

摘　　要：为更加有效地扣除60Co能谱本底影响,利用环境中的γ本底其频率低的特点,通过Matlab对几种本地扣除算法在60Co能谱的康普顿平台和全能峰区域进行本地扣除中的特性比较,发现SNIP-傅里叶处理后的峰本比和峰康比明显高于其他算法,有利于提高对能谱数据处理的精确度。In order to deduct the background effect of 60Co spectrum more effectively,the characteristics of several local deduction algorithms in Compton Platform of 60Co spectrum and All-Energy peak area are compared by using Matlab.It is found that the peak-to-peak ratio and peak-to-Kang ratio after SNIPFourier processing are significantly higher than those of other algorithms,which is helpful to improve the accuracy of energy spectrum data processing.Accuracy.

关 键 词：SNIP-傅里叶变换算法 γ本底 本底扣除 MATLAB 峰本比 峰康比 

分 类 号：P613.6[天文地球—矿床学]