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.
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Key Technique for Earth Gravity Field Determination in GRACE Model

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  • 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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