和接触电势一样,由于偏移电流而引起的小电流信号测量不确定度亦可计算获得。
As with the contact potential, the uncertainty added to a small current signal by the offset current can be calculated.
普通物理实验数据处理时几乎都要使用合成标准不确定度公式,计算测量结果的不确定程度。
The formula of uncertainty of synthetical standards is used with data processing in college physics experiments to calculate the uncertainty of survey results.
在评定由于各个直接测量参数引入的不确定度时,用数值计算的方法计算灵敏度系数。
Calculate the sensitivity coefficient by numerical calculation during estimating the uncertainty that brought by the uncertainty of the direct measurement parameters.
主要介绍采用“数表法”检定指针式电压表示值的误差分析及测量的不确定度的计算。
The article mainly introduces the error analysis, calculation of uncertainty in measuring the error of indication of needle DC voltmeter by DVM.
计算得到该方法测量结果的相对标准扩展不确定度为4.4%。
The relative standard expanded uncertainty of measured results by using said method was 4.4%.
第二周,NIST的计量工作者将测量这个电阻好几次并计算平均值加不确定度。
During the next week, NIST metrologists will measure the resistor several times and calculate the average resistance value plus an uncertainty.
对矩形试样拉伸试验测量的不确定度进行分析,得出了计算其不确定度的公式。
This paper analyzes the uncertainty of tensile test measurement for square specimen and gives formulae to calculate the uncertainty of measurement.
对于不同产品和测试方法,影响测量不确定度的因素以及不确定度的计算方法不同。
Both of the influence factors on uncertainty and calculating meth od of uncertainty are different for different products and its testing way.
研究了峰交叉对测量结果的影响,并给出各项不确定度分量的计算公式。
The peak overlap effect on measured results is studied and the calculating formulas of uncertainty are given.
对安全稳态输入电流实验方法进行了介绍,探讨使用串联标准电阻测量电流的不确定度评定,根据计算结果对实验过程进行分析。
Introduced an evaluation and expression of uncertainty about the input current test. In this test, we use a in-series resistance to measure the steady –state input current.
本文结合立式金属罐的容量测量实例,详述了标准不确定度的计算及扩展不确定度的获得过程。
By taking the volume measurement of vertical metallic tanks as an example, the evaluation of standard uncertainty and the calculation of expanded uncertainty are described in detail.
分析了影响测量不确定度的各种因素,并对各个分量进行了计算和合成。
Various factors which influence the uncertainty are analyzed and each component is calculated and combined.
通过石墨炉原子吸收光谱法对土壤中的铅量进行了测定,对影响测量结果的不确定度分量进行了量化的计算。
Based on the measurement of lead content in soil by GFAAS, the sources of the uncertainty of measurement was analyzed.
本文主要介绍一种在美国已被普遍采用的测量不确定度的计算方法。
A calculating method for measurement uncertainty extensively adopted in America is introduced.
建立测量不确定度的数学模型,通过对整个测定过程中所产生的各不确定度分量的分析和计算,求得当青霉素钠的含量为96.6%时,扩展不确定度为2.7%。
The mathematical model was established. By analyzing and quantifying the components of uncertainty, the expanded uncertainty of 2.7% with 96.6% of the content of benzylpenicillin sodium was derived.
文章用一个算例详细揭示了计算分析过程,为复杂测量系统的不确定度分析评定过程提出了一种新的思路。
At the end of this paper, an example is presented to show the process of evaluation. This new method is promotes a new path to analyse the complicated measurement system's uncertainty.
本文通过实例分析,指出用封闭法测平面度误差时,测量结果不确定度应该按相关计算法求得。
When measuring flatness error in close way by pitch, usually the uncertainty of measurement result is independently estimated according to pitch points.
本文通过实例分析,指出用封闭法测平面度误差时,测量结果不确定度应该按相关计算法求得。
When measuring flatness error in close way by pitch, usually the uncertainty of measurement result is independently estimated according to pitch points.
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