Comparison of Accuracy of Kinematic Methods for Localization of Mobile Targets

Robotic tacheometric survey of a moving target is characterized by a certain time shift, which is necessary to measure the distance and angles, during which the prism is constantly in motion. These observations, performed at different times, involve different target positions, which result in errors. In the case of RTK/RTN surveys, completely different sources of errors affect the quality of results. These include: signal propagation through the atmosphere, reflection of satellite signals, simplifications used in algorithms of linear models, data transmission in real time. The results of the surveys carried out using two different measurement techniques (terrestrial and satellite ones) were analyzed. The tests comparing the accuracy of the position determination of the moving target were carried out using robotic total stations (Leica Nova MS50 and Leica TCRA 1102+) and by RTK and RTN real-time satellite measurements (Leica GPS 1230 GG).

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