强流脉冲电子束位置测量探头标定结果不确定度分析  

Uncertainty in intense pulse electron beam position monitor

作　　者：李勤[1] 刘云龙[1] 王毅[1] 杨兴林[1] 李洪[1] 李天涛[1] 马冰[1] 李劲[1] 

机构地区：[1]中国工程物理研究院流体物理研究所,四川绵阳621900

出　　处：《强激光与粒子束》2017年第12期60-65,共6页High Power Laser and Particle Beams

基　　金：国防科技专项研究基金项目

摘　　要：根据探测器测量原理和标定方法、特点,分析其位置测量的不确定度主要来源于测量过程的A类不确定度、B类不确定度和最小二乘法引入的拟合不确定度,确定了各个不确定度的计算方法,得到了探测器的合成不确定度,对于应用于神龙二号直线感应加速器的电阻环和磁探测器,其合成不确定度约为0.1mm。Beam position as a key parameter of intense electron beam linear induction accelerator,is criterion of electron beam tuning and experiment.The resistive ring monitor(RRM)and B-dot monitor are often used to measure the beam current and position simultaneously.According to the measuring principle,the calibration method and characters of monitor,type A and type B standard uncertainties and least square fit uncertainty were analyzed as the uncertainty sources of beam position monitors RRM and B-dot,and their evaluation were decided.The combined standard uncertainty of Dragon-!resistive ring monitor and B-dot is less than 0.1mm based on calibrating data.

关 键 词：脉冲 电子束 束流位置 测量 标定 不确定度 

分 类 号：TM930.115[电气工程—电力电子与电力传动]