MEASUREMENT UNCERTAINTY EVALUATION OF OBJECT COORDINATES IN PLANE BY THE GONIOMETRIC METHOD

The features of the uncertainty evaluation of measuring the coordinates of an object in plane by the goniometric method (theta position fixing) are discussed. Measurement model are presented that relate objects coordinates in the local rectangular coordinate system with the angles found using goniometers. The model includes corrections for determining the location of base stations, and correction associated with inaccuracies in the location of stations to the north. Uncertainty budgets for measurements of rectangular coordinates are given, which can be the basis for creating software for automating the calculation of measurement uncertainties. The estimates of the expanded uncertainties are found by the kurtosis method.