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中文摘要：
分析了GOCE和GRACE等重力卫星数据在频谱上的互补性,指出了多源卫星重力数据融合的必要性,总结了多源卫星重力数据融合的研究进展和相关成果,特别是GOCO和EIGEN系列模型.在此基础上,探讨了目前多源卫星重力数据融合中存在的问题,如地形影响处理、位系数与数据的对应关系、数据权重分配等.最后,对多源卫星重力数据融合研究提出了一些建议.
英文摘要：
This paper analyzed the complementary nature of the GOCE and GRACE and satellites data on the spec- trum,pointed out the need for integration of multi-source satellites gravity data, and summarized the research pro- gress and results of muhi source satellites gravity data combination,especially the GOCO and EIGEN model series. Furthermore,the problems of multi source satellites gravity data combination were studied, such as topographic effects processing, the relationship between field coefficients and data, and data weight distribution. Finally, some suggestions for multi-source satellites gravity data combination are offered.
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