中文摘要：

首先回顾自1966年以来国内外基于传统重力测量技术建立的地球重力场模型。其次,介绍国际基于CHAMP实测数据建立的全球重力场模型。在重力场长波部分,EIGEN-CHAMP03S和EIGEN-3P模型符合较好;在中长波部分,EIGEN-1S、EIGEN-2、EIGEN-3P和EIGEN-CHAMP03S模型的符合性趋于一致。最后,介绍国内外已公布的GRACE卫星重力模型。由于GGM02S和WHIGG-GEGM01S模型采用的卫星观测值数量近似相等,因此二者精度符合较好;由于采用CHAMP、GRACE、卫星测高和地面重力的联合观测数据,EIGEN-CG01C、EIGEN-CG03C、EIGEN-GL04S1和EIGEN-5C模型精度均分别高于EIGEN-GRACE01S、EIGEN-GRACE02S、GGM01S、GGM02S、WHIGG-GEGM01S等GRACE-only模型。

英文摘要：

Firstly,the domestic and overseas Earth＇s gravitational field models based on the traditional gravity measurement are looked back since 1966.Secondly,the global gravitational field models established from the data measured by CHAMP are presented.The results of EIGEN-CHAMP03S model are only preferably in agreement with those of EIGEN-3P model in the long-wavelength Earth＇s gravitational field,and accord with those of EIGEN-1S,EIGEN-2 and EIGEN-3P models in the medium-long-wavelength Earth＇s gravitational field,respectively.Finally,the existing GRACE satellite gravity models are introduced.The accuracy of GGM02S model is almost the same with that of WHIGG-GEGM01S due to the similar amount of satellite observations,and the accuracies of all combined models including EIGEN-CG01C,EIGEN-CG03C,EIGEN-GL04S1 and EIGEN-5C using combined satellite observations from CHAMP,GRACE,satellite altimetry and surface gravity are higher than those of GRACE-only models including EIGEN-GRACE01S,EIGEN-GRACE02S,GGM01S,GGM02S and WHIGG-GEGM01S.