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Measurement Techniques
Erschienen in: Measurement Techniques 12/2013

01.03.2013 | General Problems of Metrology and Measurement Technique

Patterns and approaches for reexamining the guide to the expression of uncertainty in measurement. Part 2. Formation and procedures for evaluation of uncertainty

verfasst von: E. A. Golubev

Erschienen in: Measurement Techniques | Ausgabe 12/2013

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Abstract

The multiplicity of uncertainty indicators and the invariance of the spread in measured values relative to their shift, as well as the mechanisms for the formation of uncertainty, are examined in order to validate a new approach to evaluating measurement uncertainty. The basic initial assumptions for the proposed method of estimating uncertainty are presented.
Vorheriger Artikel Improvement of the national primary standard for the unit of radio-frequency noise spectral power density
Nächster Artikel Modeling and estimation of the parameters of the morphology of the surfaces of thin films of nano- and micro-electromechanical systems

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Fußnoten
1
Here the term “intralaboratory measurements” is contrasted, not so much with interlaboratory (between labs) measurements, as with measurements (of the same quantity) carried out in different links in the chain of traceability.
 
2
Several additional influence factors (sources of uncertainty) are introduced in Ref. 3, but they mainly refer to the first two links of the chains of traceability and are not considered here.
 
3
In general, an experiment must include several stable measured samples covering the necessary measurement range. For a preliminary estimate of the uncertainty, however, two or three samples are sufficient.
 
4
The demands on the accuracy of the estimate for the values of the uncertainty, as of the measured values for the samples, are low in this case.
 
Literatur
1.
E. A. Golubev, “Patterns and approaches for reexamining the Guide to the Expression of Uncertainty in Measurement. Part 1. Shortcomings of the Guide and Supplement 1,” Izmer. Tekhn., No. 11, 10–14 (2012).
2.
GOST R ISO 5725–2002, Accuracy (correctness and precision) of Measurement Methods and Results, Pts. 1–6.
3.
Guide to the Expression of Uncertainty in Measurement, ISO (1993).
4.
E. A. Golubev, L. K. Isaev, and A. P. Chirkov, “Estimating the quality of verification of measuring instruments,” Izmer. Tekhn., No. 8, 18–22 (2006); Measur. Techn., 49, No. 8, 762–768 (2006).CrossRef
Metadaten
Titel
Patterns and approaches for reexamining the guide to the expression of uncertainty in measurement. Part 2. Formation and procedures for evaluation of uncertainty
verfasst von
E. A. Golubev
Publikationsdatum
01.03.2013
Verlag
Springer US
Erschienen in
Measurement Techniques / Ausgabe 12/2013
Print ISSN: 0543-1972
Elektronische ISSN: 1573-8906
DOI
https://doi.org/10.1007/s11018-013-0132-2

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