宁津生, 罗佳, 汪海洪. GRACE模式确定重力场的关键技术探讨[J]. 武汉大学学报 ( 信息科学版), 2003, 28(S1): 13-17,37.
引用本文: 宁津生, 罗佳, 汪海洪. GRACE模式确定重力场的关键技术探讨[J]. 武汉大学学报 ( 信息科学版), 2003, 28(S1): 13-17,37.
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NING Jinsheng, LUO Jia, WANG Haihong. Key Technique for Earth Gravity Field Determination in GRACE Model[J]. Geomatics and Information Science of Wuhan University, 2003, 28(S1): 13-17,37.
Citation: NING Jinsheng, LUO Jia, WANG Haihong. Key Technique for Earth Gravity Field Determination in GRACE Model[J]. Geomatics and Information Science of Wuhan University, 2003, 28(S1): 13-17,37.
shu

GRACE模式确定重力场的关键技术探讨

Key Technique for Earth Gravity Field Determination in GRACE Model

    摘要
  • 摘要: 美德合作的GRACE计划可以利用卫星跟踪卫星技术(SST)获取有关地球重力场、大气和海洋等方面有史以来最为全面的信息。它们为广泛开展相关领域的科学研究提供了前所未有的丰富资料。其中,GRACE提供的稳态的和时变的地球重力场数据可以反映地球内部构造、地表水体运动等地球物理信息,是GRACE目标的最重要的方面。本文深入探讨了GRACE卫星有效载荷对于研究地球重力场的贡献,并给出相应结论。

     

    Abstract: GRACE's payload comprises eight system:K-band ranging system(KBR),accelerometer(ACC),GPS space receiver(GPS),laser retro-reflector(LRR),star camera assembly(SCA),coarse earth and sun sensor(CES),ultra stable oscillator(USO) and center of mass trim assembly(CMT).For the determination of the earth's gravity field,KBR,ACC and GPS are the key instruments.In this paper,the KBR,ACC and GPS are analyzed in detail,and the others are also introduced briefly.Some conclusions and suggestions are given.

     

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