当输入量之间的相关性存在时，必须知道了相关系数，才能计算合成标准不确定度。
When these input quantities were correlative, the combined standard uncertainty could not calculated if the correlation coefficient was unknown.
阐述了不确定度理论的含义、分类，介绍了直接测量量和间接测量量的合成标准不确定度。
Goes into particular meanings and class of uncertainty, concretely introduced direct measurement and indirect measurement of Synthetic criterion uncertainty.
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.
采用相对合成标准不确定度的评估方法，对用开尔文法测量铜合金导电率结果的不确定度进行了评估。
We adopt the method of the relative composite standard uncertainty for estimating the uncertainty of copper alloy electric-conductivity measured by Kelvin method.
但如果不知道有效自由度是否大于10，而直接取扩展不确定度等于两倍的合成标准不确定度是存在疑虑的。
But if we are not sure about whether the effective freedom degree is more than 10, it is doubtful that selecting expanded uncertainty as twice as combined standard uncertainty.
论文分别估算出产生DCICAR测量不确定度的各项分量的大小，得到DCICAR的合成标准不确定度及扩展不确定度，DCICAR在一个太阳常数下的测量不确定度为0.11%。
The various uncertainty items are calculated to compose the total measurement uncertainty and to get the expanded uncertainty. The uncertainty of DCICAR under one solar constant is 0.11%.
根据测量原理建立数学模型，分析各种不确定分量的来源，评定标准不确定度，确定合成不确定度和扩展不确定度。
The mathematic model is established based on deterring theory. And all kinds of uncertainty sources are analyzed to assess standard uncertainty and combining uncertainty and expand uncertainty.
根据标准的要求和以往的工作经验，分析了影响测定不确定度的原因，并对各分量进行了分析、合成。
The reason that will affect the uncertainty of the determination is studied. The combination of each component is carried out according to relevant standards and former experience.
根据标准的要求和以往的工作经验，分析了影响测定不确定度的原因，并对各分量进行了分析、合成。
The reason that will affect the uncertainty of the determination is studied. The combination of each component is carried out according to relevant standards and former experience.
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