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GPS real time orbit determination and initial results analysis

  • Yidong Lou*
  • , Chuang Shi
  • , Maorong Ge
  • , Qile Zhao
  • *Corresponding author for this work
  • Wuhan University

Research output: Contribution to journalArticlepeer-review

Abstract

On the basis of sliding the observation spans and combination of multi short arcs' normal equation, a new method of precise real-time GPS satellite constellation orbit determination is proposed. Based on the new method, about 70 IGS stations are used to estimate GPS real-time orbit product. The results show that the accuracy of real-time orbit is about 5 cm, equal to the accuracy level of IGS rapid precise orbit products.

Original languageEnglish
Pages (from-to)815-817+841
JournalWuhan Daxue Xuebao (Xinxi Kexue Ban)/Geomatics and Information Science of Wuhan University
Volume33
Issue number8
StatePublished - Aug 2008
Externally publishedYes

Keywords

  • Combination of the short arcs' normal equation
  • Real-time orbit determination
  • Slip orbit determination

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