Volume 33 Issue 5
May  2008
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LIU Jingbin, WANG Zemin, ZHANG Hongping, ZHU Wenyao. Comparison and Consistency Research of Regional Ionospheric TEC Models Based on GPS Measurements[J]. Geomatics and Information Science of Wuhan University, 2008, 33(5): 479-483.
Citation: LIU Jingbin, WANG Zemin, ZHANG Hongping, ZHU Wenyao. Comparison and Consistency Research of Regional Ionospheric TEC Models Based on GPS Measurements[J]. Geomatics and Information Science of Wuhan University, 2008, 33(5): 479-483.
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Comparison and Consistency Research of Regional Ionospheric TEC Models Based on GPS Measurements

  • 1Chinese Antarctic Center of Surveying and Mapping,School of Geodesy and Geomatics,Wuhan University, 129 Luoyu Road,Wuhan 430079,China;2 SiRF Technology Inc.,28 New Jinqiao Road,Shanghai 201206,China;3 Shanghai Astronomical Observatory,Chinese Academy of Sciences,80 Nandan Road,Shanghai 200030,China

Funds: 国家测绘局南极考察地区基础测绘资助项目(146990711109-1)，国家教育部留学回国人员科研启动基金资助项目
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  • Received Date: March 16, 2008
  • Revised Date: March 16, 2008
  • Published Date: May 04, 2008
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    • Abstract
  • TEC information from 2004 all-year GPS measurements on more than 40 continuous-operation stations over China is resolved,these TEC data are modeled by three commonly used regional models: poly model(Poly),trigonometric series model(TRI) and low-degree spheric function model(LSF).The results show that Poly and LSF models are consistent with GIM model(CODE),but the former is degraded by marginal effect,and TRI model have noticeable bias to GIM model,which alarms us this model is not suitable for the region,just for the local.Furthermore,the accuracy on high latitude area is better than that on lower latitude area.
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