LUO Jia, SHI Chuang, ZOU Xiancai, WANG Haihong. Comparison of Present SST Gravity Field Models[J]. Geomatics and Information Science of Wuhan University, 2006, 31(7): 594-598.
Citation: LUO Jia, SHI Chuang, ZOU Xiancai, WANG Haihong. Comparison of Present SST Gravity Field Models[J]. Geomatics and Information Science of Wuhan University, 2006, 31(7): 594-598.

Comparison of Present SST Gravity Field Models

Funds: 国家自然科学基金资助项目(40274004,40374006,40304001,40174004);国家教育部博士点专项基金资助项目(20020486003);国家教育部留学回国人员科研启动基金资助项目;地理空间信息工程国家重点实验室开放研究基金资助项目
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  • Received Date: April 24, 2006
  • Revised Date: April 24, 2006
  • Published Date: July 04, 2006
  • With Europe main land as the region in study,the potential of the new satellite gravity technology,satellite-to-satellite tracking,to improve the precision of regional gravity field model of the SST models is investigated.The deficiencies of these models are discussed.With GPM98C as the reference,the gravity anomaly residuals of several other models,the latest SST global gravity field models(EIGEN and GGM),are computed and compared.The results of the comparison show that in the selected region,some systematic errors with periodical properties exist in the EIGEN and GGM's S serial models in the high degree and order.Some information that is not shown in the classic gravity models is detected in the low and middle degree and order of EIGEN and GGM's S serial models.
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