Reliability theorem application for accuracy statistics determination of differential global positioning system
The accuracy estimation method of determining the position coordinates of temporary navigation systems is well known both in navigation and geodesy as well. The estimation of errors measurements statistics being the random variables enables evaluation some probabilities which are measures of accuracy of the position systems. There are presented the suggestion of three new measures of accuracy of determining the coordinates related to reliability characteristics in that article. In contrast to the common applied approach in which the single measurement error is a random variable, in the presented here approach the distributions of working times and times of failures were taken under statistics estimation. The model of availability was detailed presented. Is enabled to define some new statistics measures related to the navigational solution. Proposed method were applied to DGPS system position statistics, where two campaign (2005, 2009) were compared.
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