中教数据库 > 核技术:英文版 > 文章详情

Determination of Gamma point source efficiency based on a backpropagation neural network

【摘要】Efficiencyisanimportantfactorinquantitativeandqualitativeanalysisofradionuclides,andthegammapointsourceefficiencyisrelatedtotheradialangle,detectiondistance,andgamma-rayenergy.Inthiswork,onthebasisofaback-propagation(BP)neuralnetworkmodel,amethodtodeterminethegammapointsourceefficiencyisdevelopedandvalidated.Theefficiencyofthepointsources137Csand60Coatdiscreteradialangles,detectiondistances,andgamma-rayenergiesismeasured,andtheBPneuralnetworkpredictionmodelisconstructedusingMATLAB.Thegammapointsourceefficienciesatdifferentradialangles,detectiondistances,andgamma-rayenergiesarepredictedquicklyandaccuratelyusingthisnonlinearpredictionmodel.Theresultsshowthatthemaximumerrorbetweenthepredictedandexperimentalvaluesis3.732%at661.661keV,11p/24,and35cm,andthoseunderotherconditionsarelessthan3%.ThegammapointsourceefficienciesobtainedusingtheBPneuralnetworkmodelareingoodagreementwithexperimentaldata.

【关键词】

92 共9页 核技术:英文版 2018年5期 免费 中文科技期刊数据库

全文来源于中文科技期刊数据库

推荐文献
标题 作者 发表时间 全网下载量 热度 篇幅(页) 价格

The Sensing of Refractive Index Based on a Metal-Insulator-Metal Array SANG Minghuang 2016年2期 10 1 2 免费

收藏

Construction and the Second-order Nonlinear Opticsof a New Chiral Coordination Network Based onTwo Types of Homo-chiral Helices HUANG Yong-Qing 2018年7期 745 4 2 免费

收藏

Synthesis, Crystal Structure and Antifungal Activity of a New Ho(III) Complex Based on 4,4?-Dicarboxybiphenyl Sulfone LIANG Hong-Jiao 2018年7期 99 1 2 免费

收藏

A new genus of Asiatic short-tailed shrew (Soricidae,Eulipotyphla) based on molecular and morphologicalcomparisons Kai He 2018年5期 110 2 2 免费

收藏

Multi-objective Optimization of Casing Treatment in a Centrifugal Compressor Based on Data Mining and Metamodel Xiao-jian 2018年6期 162 2 2 免费

收藏

Nitrate Removal by a Permeable Reactive Barrier of Fe°: A Model-Based Evaluation Qinghua Wu 2017年3期 38 1 2 免费

收藏

Synthesis, Structure and Luminescent Properties of a Two-dimensional Cobalt(II) Coordination Polymer Based on 2-Thiobarbituric Acid WANG Chao 2018年7期 268 2 2 免费

收藏

How many species of Apodemus and Rattus occur inChina? A survey based on mitochondrial cyt b andmorphological analyses Shao-Ying Liu 2018年5期 16 1 2 免费

收藏

--

--

中国科学院

--

Copyright © 2013-2016 ZJHJ Corporation,All Rights Reserved

京ICP备15058941号-1

京公网安备 11011102000866号