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Kalman-filter-based GPS clock estimation for near real-time positioning

Hauschild, André ; Montenbruck, Oliver

GPS solutions, 2009-07, Vol.13 (3), p.173-182 [Periódico revisado por pares]

Berlin/Heidelberg: Springer-Verlag

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Título:
Kalman-filter-based GPS clock estimation for near real-time positioning
Autor: Hauschild, André ; Montenbruck, Oliver
Assuntos: Algorithms ; Atmospheric Sciences ; Automotive Engineering ; Clocks ; Clocks & watches ; Data processing ; Earth and Environmental Science ; Earth Sciences ; Electrical Engineering ; Geophysics/Geodesy ; Global positioning systems ; Global Tracking Network ; GPS ; Kalman filters ; Offsets ; Orbit determination ; Original Article ; Real time ; Satellite navigation systems ; Satellite tracking ; Satellites ; Space Exploration and Astronautics ; Space Sciences (including Extraterrestrial Physics ; Tracking networks ; Tracking stations
É parte de: GPS solutions, 2009-07, Vol.13 (3), p.173-182
Descrição: In this article, an algorithm for clock offset estimation of the GPS satellites is presented. The algorithm is based on a Kalman-filter and processes undifferenced code and carrier-phase measurements of a global tracking network. The clock offset and drift of the satellite clocks are estimated along with tracking station clock offsets, tropospheric zenith path delay and carrier-phase ambiguities. The article provides a brief overview of already existing near-real-time and real-time clock products. The filter algorithm and data processing scheme is presented. Finally, the accuracy of the orbit and clock product is assessed with a precise orbit determination of the MetOp satellite and compared to results gained with other real-time products.
Editor: Berlin/Heidelberg: Springer-Verlag
Idioma: Inglês

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Kalman-filter-based GPS clock estimation for near real-time positioning

Hauschild, André ; Montenbruck, Oliver

Berlin/Heidelberg: Springer-Verlag

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