直流双臂电桥的测量不确定度  

Uncertainty in measurement of an arm of irect Current Electricity Bridge

作　　者：刘梅凤[1] 包青[1] 

机构地区：[1]广东省韶关冶炼厂,广东韶关512024

出　　处：《中国新技术新产品精选》2008年第4期102-103,共2页Chinese Selected New Technologies and Products

摘　　要：本文依据JJF1033-2001《计量标准考核规范》,分析了用整体检定测量法检定直流双臂电桥时的测量不确定度的来源,求出各分量的标准不确定度以及该检定装置的相对扩展不确定度。According to JJF1033-2001caclulate the standard investigates the norm, this paper analyses the source of the uncertainty in measurement when using the method of the whole verification measure to examinate an arm of direct current electricity bridge .It calculates one each weight of the standard uncertainty and the related expanded in the verification device.

关 键 词：直流双臂电桥 不确定度 自由度 评定 

分 类 号：TB9[一般工业技术—计量学] TM938.4[机械工程—测试计量技术及仪器]