替代法测量微安表内阻的不确定度分析

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替代法测量微安表内阻的不确定度分析
王吉有 原安娟北京工业大学,北京100022摘　要:在测量微安表内阻的众多方法中，替代法是最简单的方法。本文全面分析了影响测量结果不确定度的因素，求出了实验测量的最佳条件，计算了普通仪器组合下测量结果的相对不确定度。[著者文摘]

关键词:物理实验 电阻测量 微安表 不确定度
分类号:　O441.1[免标]文献标识码：A文章编号：1007-2934（2006）03-0051-04栏目信息：误差与数据处理
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THE UNCERTAINTY ANALYSIS OF MEASURING INNER- RESISTANCE OF MICRO - AMPERE - METER WITH THE SUBSTITUTE METHODWang Jiyou ,Yuan Anjuan Beijing University of Technology, Beijing, 100022Abstract:Among the methods of measuring inner - resistance of micro - ampere - meter with the substitute method is the most simple one. In this paper, the parameters of affecting the uncertainty of the measured result are analyzed. The best conditions of the measurement are obtained. The uncertainty of the measured result is caculated in general laboratory.[著者文摘]

Key words:physical experiment ; resistance measurement ; micro - ampere - meter; uncertainty