相对不确定度

试析光干涉测量几何长度的相对不确定度极限

Limits on the Relative Uncertainty of Measuring Physical Length by Means of Optical Interferometry

石墨炉法相对不确定度；

The relative uncertainty of graphite furnace method ;

与利用相干反斯托克斯喇曼散射（CARS）技术进行测温的实验结果相比，该测量的相对不确定度优于5%。

Compared to the results of CARS , the uncertainty of the temperature field in the measurement is less than 5 % .

本文报导采用放大倍率法、CCD接收、计算机图像处理技术、测量自聚焦（GRIN）透镜的焦距，测量相对不确定度达到±0.12%。

The measurement of GRIN lens focal length by using the amplification method , CCD camera detection and computer image data processing is reported in this paper . The relative measuring uncertainty is up to ± 0.21 % .

从伏安法测电阻采用内接法、外接法判定条件出发，结合待测电阻RX的相对不确定度要求，给出了待测电阻RX内、外接法判定条件的范围。

The paper shows the scope of testing conditions for internal and external connecting methods for the candidate resistance , starting with the conditions determining the internal and external connecting ways in resistance with volt-ampere method as well as the relatively uncertain demands of the candidate resistance RX .

实验结果的相对不确定度小于3%。

The relative uncertainty of the experimental results may be controlled within 3 % .

分析了相对不确定度的方差合成并给出了各不确定度分量的详细评定过程。

The procedure of the evaluation of every uncertainty component was described in detail .

该扩展不确定是相对不确定度吗？

Is the expanded uncertainty a relative one ?

还叙述了配制组分的浓度相对不确定度的计算及其意义。

And then , introduced the calculation and its meaning of the concentration uncertainty of preparation component .

测试各环节的不确定度分量合成计算数据表明，气相色谱法测定水性涂料中水的分析结果标准相对不确定度为0.033。

The relative standard uncertainty of analysis results by GC method is0.033 calculated from each uncertainty of all analysis procedures .

不同元素准确度引起的相对不确定度在总不确定度中所占比例不同。

The ratio of relative uncertainty caused by accuracy to the global relative uncertainty was different with different levels and elements .

分段统计精密度引起的相对不确定度，剥离出准确度引起的相对不确定度。

The section relative uncertainty caused by precision was analyzed and relative uncertainty caused by accuracy based on the error transfer formula was isolated .

采用该系统已成功地测量了非标准异型弹丸和非金属弹丸的速度，速度测量的相对不确定度小于0.2%。

It has been used successfully to measure the velocity of irregular or nonmetallic projectile . The relative measurement uncertainty is less than 0.2 % .

结果表明，试验条件下的非比例延伸强度Rp0.2测量结果的相对不确定度为2.55%。

The relative uncertainty of measurement results of the proof strength at non-proportional extension R_ ( p0.2 ) of was 2.55 % in this test conditions .

通过分析维氏硬度检测中的不确定度，计算了各不确定度分量所占的权重，得到HV10（440-738）范围内的相对不确定度为1.3%～1.7%。

This paper analyses the measurement uncertainty of Vickers hardness test and calculates the fraction of uncertainty for each factor . The relative measurement uncertainty for HV ( 440-738 ) is 1.3 % ~ 1.7 % .

根据动态规划原理，提出以控制成本为前提、利用计算机软件辅助计算对复杂测试系统的相对不确定度进行合理分配的方法。

According to the dynamic programming principle , taking the control cost as the premise and using computer aided calculation , the reasonable distribution method of the relative uncertainty of the complex test system is put forward .

随着稳频激光和现代干涉仪的发展，光波波长在空气中的不确定性已成为限制用光学方法测量几何长度相对不确定度的主要因素。

The variability of the optical wavelength in air has become the major limit on the relative uncertainty of measuring geometric length by means of optical interferometry , with the developments of stabilized lasers and modern interferometers .

采用7种不同尺寸的光刻标准粒子靶对本文设计的再现系统和图像处理方法的处理精确度进行了实验研究，得到的最大相对不确定度为±14%。

Seven kinds of particle target with different sizes have been used to detect the error of the holographic reconstruction and data deriving system . The maximum relative error of particle sizes is about ± 14 % .

以TCD检测器为例进行分析，对气相色谱仪检定结果的不确定度进行评定，相对扩展不确定度为5%。

The detector TCD was taken as example , the relative expanded uncertainty of verification of chromatography was 5 % .

400n留LZ一FBA的单次测量结果的扩展不确定度为50n叭，即相对扩展不确定度优于14%。

The expanded uncertainty of a once measurement for 400ng / ml is 50ng / ml , that means the relative uncertainty is over 14 % .

该阱型电离室对192Ir的响应因子为0.230nA/GBq，其相对合成不确定度为1.5%，与IAEA校准过的阱型电离室比对，在不确定度范围内一致。

The chamber has a response of 0.230 nA / GBq with uncertainty of 1.5 % . Comparing with a chamber calibrated by IAEA , the result is in agreement with each other .

线性函数相对合成不确定度的评定

An Evaluation of Relative Combined Uncertainty with Linear Function

元素相对测量不确定度的评估

Evaluation of uncertainty in relative measurement of elements

利用统计学原理和线性拟合等理论对不确定度分量及测试结果的相对合成不确定度进行了理论推导和计算。

The uncertainty component and relatively composite uncertainty were calculated using statics principles and linear fitting theory .

在试剂纯度、仪器精度符合规定时，氢氧化钠标准溶液浓度的相对扩展不确定度为0.14%。

When the reagent and the apparatus were conformed to the request , the related expanded uncertainty was 0.14 % .

最后得出在铀同位素丰度比为01～10的范围内，95%的置信水平下，该方法的相对扩展不确定度为010%

Under 0.1 ~ 10 isotope ratio range and 95 % confidence , the relative expanded uncertainty of the technique is 0.10 % .

钽粉试样分析结果的相对标准不确定度优于10%，碳标准加入到高纯钽粉中的回收率为91%～114%。

The analytical results are satisfactory . The uncertainty is less 10 % , and the recovery of carbon is in the range from 91 % to 114 % .

在95%的置信水平下，用本方法分析高、低含量钚时，相对扩展不确定度分别为0.5%和5%。

The results show that the relative expanded uncertainty for this method is 0 . 5 % for higher plutonium content , and 5 % for lower plutonium content at 95 % confidence level , respectively .

实验表明，该实验实时数据采集系统采集速率为10次/s，系统测量的相对标准不确定度小于0.5%。

Experimental results showed that the real-time data acquisition rate was as high as 10 times per second in the system . And the relative standard uncertainty of the measurement was less than 0 . 5 % .

经对测定数据进行统计处理，确定了该标准物质在不同静态剪切速率下粘度和第一法向应力差的标准值并给出了其相对扩展不确定度。

By processing the datas with statistics , the standard values of the viscosity and the first normal stress difference of the certified reference material in various steady shear rate were defined and the related expanded uncertainties of which were given .