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GUM method for evaluation of measurement uncertainty: BPL long wave time service monitoring
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NSTL
Elsevier
This paper constitutes the first report on the uncertainty evaluation based on Guide to the expression of Uncertainty in Measurement (GUM) method for BPL long wave time service monitoring. First, the applicability of the GUM method was considered from two perspectives: the BPL long wave time service monitoring model and the monitoring data distribution. A complete monitoring measurement model was then established. Subsequently, the uncertainty sources were analyzed via Type A and Type B evaluation. The bootstrap method was used to compare and verify the standard uncertainty evaluation by the GUM method. Thus, the uncertainty results for BPL time service monitoring were obtained under the existing monitoring model and equipment conditions. Furthermore, this paper also provides certain suggestions for improving the quality of time service monitoring. This work is expected to facilitate methods and provide guidance for evaluating the uncertainty in corresponding monitoring systems of other land-based time service systems.
Uncertainty evaluationGUMBPLTime service monitoringBootstrap methodQ-Q plot
NSTL
Elsevier
