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7 March 2019 CMC based on unitary linear regression equation
Jingjing Li, Xiaoding Huang, Beichen Guo, Huan Zhang, Beibei Hu
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Proceedings Volume 11053, Tenth International Symposium on Precision Engineering Measurements and Instrumentation; 110534I (2019) https://doi.org/10.1117/12.2513429
Event: 10th International Symposium on Precision Engineering Measurements and Instrumentation (ISPEMI 2018), 2018, Kunming, China
Abstract
Calibration and measurement capability (CMC) that can provide calibration and measurement capability to the user in the normal conditions. CMC has a variety of expressions. Regression analysis is a statistical technique for studying correlation between key quality characteristics and the cause variables. After independently collecting n groups of experimental data（xi, yi）, i=1,2,…,n., we can measure the relevancy between the two variables with the correlation coefficient. According to the stipulations of digital multimeter’s calibration method in JJF1587-2016"Calibration Specification for Multimeters", we can analyse the sources of the measurement uncertainties mainly includes the following aspects. (1)Uncertainties of the measurements introduced by the standard instruments.(2)Uncertainties of the measurements introduced by the measuring instrument’s resolution.(3)Uncertainties of the measurements introduced by the measure repeatability. The components of the above uncertainties over analyzed and an expression method of CMC based on unitary linear regression equation has given.
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Jingjing Li, Xiaoding Huang, Beichen Guo, Huan Zhang, and Beibei Hu "CMC based on unitary linear regression equation", Proc. SPIE 11053, Tenth International Symposium on Precision Engineering Measurements and Instrumentation, 110534I (7 March 2019); https://doi.org/10.1117/12.2513429
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KEYWORDS
Calibration
Statistical analysis
Mathematical modeling
Resistance
Inspection
Reliability
Uncertainty analysis
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