Implementing combined uncertainty according to GUM into a commercial gamma spectrometric software |
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Authors: | Henrik Ramebäck Annika Tovedal Ulrika Nygren Petra Lagerkvist Jonas Boson Erik Johansson Jan Johansson |
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Institution: | 1.Division of CBRN Defence and Security,Swedish Defence Research Agency, FOI,Ume?,Sweden;2.Swedish Radiation Safety Authority, SSM,Stockholm,Sweden |
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Abstract: | Measurement uncertainty is an important part of a measurement result that still often is neglected. A complete combined uncertainty
budget can be calculated for non-routine measurements. However, for routine measurements, this work becomes time-consuming
since every measurement result requires an uncertainty analysis. By analysing the uncertainty on a measurement system level
in e.g. high resolution gamma spectrometry, the uncertainty analysis will be universal for a particular measurement geometry.
The problem is then reduced to implementing the combined uncertainty into measurement software. This work shows how this analysis
can be done and implemented into a commercial software for gamma spectrometric measurements. |
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