• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 18 Issue 5
Oct.  2005
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Article Contents
LICheng-gang, HUANG Ding-fa, YUAN Lin-guo, ZHOULe-tao, XURui. Ionospheric BiasesM odeling Technique for GPSMultiple Reference Stations[J]. Journal of Southwest Jiaotong University, 2005, 18(5): 610-615.
Citation: LICheng-gang, HUANG Ding-fa, YUAN Lin-guo, ZHOULe-tao, XURui. Ionospheric BiasesM odeling Technique for GPSMultiple Reference Stations[J]. Journal of Southwest Jiaotong University, 2005, 18(5): 610-615.

Ionospheric BiasesM odeling Technique for GPSMultiple Reference Stations

  • Publish Date: 25 Oct 2005
  • Four typicalmethods to describe the ionospheric biases at the roverpositionwere discussed to develop general formulas of correction generationmodels, both the advantages and disadvantages of each technique were summarized. Test data from both GPSNOS (GPS reference station network of Sichuan) and SCIGN (Southern California integrated GPS network) were used to evaluate the modeling techniques. The experimental results show that the linear interpolationmodel and the linear combinationmodel are more reliable network solution with a correction precision of 2 to 5 cm in reduction of the ionospheric biases for reference station networks with a baseline length of below 200 km.Real-time kinematic differential GPS positioning at cm-level can be considerably improved when the twomodels are used based on the virtual reference station technique to correct the systemic errors, including the ionospheric biases.

     

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      沈阳化工大学材料科学与工程学院 沈阳 110142

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