Volume 33 Issue 8
Aug.  2008
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ZHAO Qile, SHI Chuang, LIU Xianglin, GE Maorong. Determination of Precise Orbit Using Onboard GPS Data for Gravity Modeling Oriented Satellites[J]. Geomatics and Information Science of Wuhan University, 2008, 33(8): 810-814.
Citation: ZHAO Qile, SHI Chuang, LIU Xianglin, GE Maorong. Determination of Precise Orbit Using Onboard GPS Data for Gravity Modeling Oriented Satellites[J]. Geomatics and Information Science of Wuhan University, 2008, 33(8): 810-814.
shu

Determination of Precise Orbit Using Onboard GPS Data for Gravity Modeling Oriented Satellites

  • 1Research Center of GNSS,Wuhan University,129 Luoyu Road,Wuhan 430079,China;2Delft Institute of Earth Observation and Space Systems(DEOS

Funds: 国家自然科学基金资助项目(40504002)，国家973计划资助项目(2006CB701301)，国家863计划资助项目(2007AA12Z339)
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  • Received Date: June 14, 2008
  • Revised Date: June 14, 2008
  • Published Date: August 04, 2008
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    • Abstract
  • Both kinematic and reduced dynamic orbit determination for CHAMP and GRACE satellites are studied.Data cleaning is a crucial step for kinematic POD.In the process,a reduced-dynamic orbit is firstly determined to detect outliers and cycle slips in the data.The accuracy of the precise orbit is assessed by comparing them with DEOS,JPL and TUM reduced dynamic orbits as well as with SLR data.Furthermore,gravity field models recovered from the computed kinematic orbits are compared with those derived from TUM kinematic orbits.The comparison results confirm a high quality of our computed kinematic orbits.
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