A new and high-precision gravity base network in the south of the Tibetan Plateau
作者：Lelin Xing,Lei Bai,Xiaowei Niu,Peng Sang
摘要：A new gravity base network in the south of the Tibetan Plateau was established with a FG5X absolute gravimeter and three CG-6 gravimeters.The gravity base network consists of 10 absolute gravity points and 17 relative gravity points.Processing of the absolute data,pre-processing of the relative data and gravity network adjustment model are briefly described.Based a constrained weighted least squares,the combined adjustment of absolute and relative gravity measurements results in the gravity values with a precision of about±4.1μGal.
发文机构：Innovation Academy for Precision Measurement Science and Technology State Key Laboratory of Geodesy and Earth's Dynamic
关键词：TibetanplateauGravitydatumGravitynetworkadjustment
分类号： P223[天文地球—大地测量学与测量工程]
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