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Accuracy Analysis of Gravity Model Based on Fictitious Compress Recovery Approach 被引量:3
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作者 SHEN Wenbin TAO Benzao 《Geo-Spatial Information Science》 2007年第3期157-162,共6页
The potential field determined based on the fictitious compress recovery approach is influenced by the errors contained in the boundary (the Earth's surface or the surface corresponding to the satellite altitude) v... The potential field determined based on the fictitious compress recovery approach is influenced by the errors contained in the boundary (the Earth's surface or the surface corresponding to the satellite altitude) values. Given the boundary value with definite accuracy, the accuracy of the field determined based on the fictitious compress recovery approach is estimated, and it is theoretically shown that the determined field has the same accuracy level as the given boundary value. 展开更多
关键词 fictitious compress recovery error function error estimate accuracy of the potential field
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Applications of the Fictitious Compress Recovery Approach in Physical Geodesy
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作者 SHEN Wenbin LI Jiancheng +2 位作者 LI Jin NING Jinsheng CHAO Dingbo 《Geo-Spatial Information Science》 2008年第3期162-167,共6页
The fictitious compress recovery approach is introduced, which could be applied to the establishment of the Rungerarup theorem, the determination of the Bjerhammar's fictitious gravity anomaly, the solution of the "... The fictitious compress recovery approach is introduced, which could be applied to the establishment of the Rungerarup theorem, the determination of the Bjerhammar's fictitious gravity anomaly, the solution of the "downward con- tinuation" problem of the gravity field, the confirmation of the convergence of the spherical harmonic expansion series of the Earth's potential field, and the gravity field determination in three cases: gravitational potential case, gravitation case, and gravitational gradient case. Several tests using simulation experiments show that the fictitious compress recovery approach shows promise in physical geodesy applications. 展开更多
关键词 fictitious compress recovery physical geodesy gravity field: determination
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