核电子学与探测技术
覈電子學與探測技術
핵전자학여탐측기술
NUCLEAR ELECTRONICS & DETECTION TECHNOLOGY
2015年
1期
13-17
,共5页
王芹%何剑锋%王远%肖海玲
王芹%何劍鋒%王遠%肖海玲
왕근%하검봉%왕원%초해령
γ谱数据%平滑处理%最小二乘法%高斯法
γ譜數據%平滑處理%最小二乘法%高斯法
γ보수거%평활처리%최소이승법%고사법
gamma spectral data%smooth processing%least squares method%Gaussian method
介绍了高斯法与最小二乘法相结合对NaI(TI)探测器测量γ能谱进行平滑处理方法,用MATLAB编程实现对γ谱数据的平滑处理。通过平滑度指标和互相关系数两种参数进行针对238 U、232 Th谱数据科学比对和评价,提出了不同能段结合的平滑处理方法,可提高谱数据处理的精度和准确度。结果表明:高斯法平滑与最小二乘法平滑相结合,可较好地获得平滑效果。
介紹瞭高斯法與最小二乘法相結閤對NaI(TI)探測器測量γ能譜進行平滑處理方法,用MATLAB編程實現對γ譜數據的平滑處理。通過平滑度指標和互相關繫數兩種參數進行針對238 U、232 Th譜數據科學比對和評價,提齣瞭不同能段結閤的平滑處理方法,可提高譜數據處理的精度和準確度。結果錶明:高斯法平滑與最小二乘法平滑相結閤,可較好地穫得平滑效果。
개소료고사법여최소이승법상결합대NaI(TI)탐측기측량γ능보진행평활처리방법,용MATLAB편정실현대γ보수거적평활처리。통과평활도지표화호상관계수량충삼수진행침대238 U、232 Th보수거과학비대화평개,제출료불동능단결합적평활처리방법,가제고보수거처리적정도화준학도。결과표명:고사법평활여최소이승법평활상결합,가교호지획득평활효과。
A method combining Gaussian with least squares method was proposed, which was used for smoothing processing of NaI ( TI) detector measuringγspectrum, and for realizing smoothing processing ofγspectrum by using MATLAB programming.The smoothing processing method of combining different energy segments was put forward, which can improve the precision and accuracy of spectral data processing, through two parameters of smoothness index and the number of mutual relations, the 238 U, 232 Th spectral data are treated.The results show that combining the Gaussian smoothing method with the least squares method smoothing method, the smoothing effect will get better.