A Concise Method for Calibrating the Offset of GPS Precise Satellite Orbit
نویسندگان
چکیده
A set of Global Navigation Satellite Systems (GNSS) satellite orbit and clock offset are an essential prerequisite for precise application. However, abrupt changes in accuracy at the boundaries prevalent products provided by international GNSS services, resulting decreased interpolation precision near daily boundary. In addition, effect this phenomenon is reflected deterioration fluctuations subsequent applications. study, time-weighted equal-weighted calibrated methods were utilized adjacent Positioning System (GPS) orbits variations then corrected to ensure their consistency. The calibration method evaluated based on smoothness post-processing kinematic point positioning (PPP) low earth (LEO) determination (POD) day a variety scientific applications, results indicate that proposed can effectively reduce excessive differences boundary between days. Near boundary, maximum improvements PPP, dynamic LEO orbit, 41.5%, 9.4%, 20.5%, respectively.
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ژورنال
عنوان ژورنال: Remote Sensing
سال: 2022
ISSN: ['2315-4632', '2315-4675']
DOI: https://doi.org/10.3390/rs15010008