摘要
ISO 1 993《测量不确定度表示指南》只规定了测量结果的一般评定和表示方法 ,没有涉及多渠道测量结果信息如何综合评定的问题。本文从信息论和自由度理论出发 ,提出一种按自由度加权定值及其不确定度评定的新方法 ,并成功地用于一个光学精密测量仪器的不确定度评定和一个光学标准器具的精密定值。这种方法充分利用了各种渠道获得的测量结果信息 ,统一了以往有分歧的处理方法。
ISO 1993 Guide to the Expression of Uncertainty in Measurement, which only prescribes general evaluating and expression method of measurement results, does not deal with the problem how to assess and synthesize multi channel information about measurement results. Based on the theories of information and freedom degrees, the paper gives a new method for weight certification and evaluating uncertainty according to degrees of freedom. The method was applied successfully to the uncertainty evaluating on an optical precision measurement instrument and the certification of an optical standard instrument. The method takes fully advantage of all information about measurement results obtained from all possible channels, and unifies the formerly divergent methods of dealing with uncertainty.
出处
《计量学报》
EI
CSCD
北大核心
2001年第4期272-275,共4页
Acta Metrologica Sinica
