Discussion on the kinematic orbit determination by the onboard GPS zero-differential phase observations

Details Discussion on the kinematic orbit determination by the onboard GPS zero-differential phase observations Discussion on the kinematic orbit determination by the onboard GPS zero-differential phase observations

Mar 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005pabei..23...80z&link_type=abstract

Progress in Astronomy (ISSN 1000-8349), Vol. 23, No. 1, p. 80 - 92 (2005)

Astronomy and Astrophysics

Astronomy

Celestial Mechanics, Onboard Gps, Phase Measurement, Zero-Differential, Kinematic Pod

Scientific paper

Based on the geometric, dynamic and reduced dynamic precise orbit determination (POD), a kinematic POD by the onboard GPS zero-differential phase observations was discussed and programmed. It applies the observations of GPS receive onboard LEO (Low Earth Orbit) and the precise GPS ephemeris of IGS rather than the complicated dynamic models and ground observations. It is simple and convenient in computation, rapid and precise in orbit determination and could provide estimations of some dynamic parameters too. However, it is unable to predict the orbit. The coefficient matrix of the normal equation is very huge and so in its reverse it is divided into sub-matrixes and then is transformed into upper-triangular. As an example of application of this new method the CHAMP data are analyzed in order to estimate the precision of POD.

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