作　　者： ; ; ; ;

机构地区： 中国科学院测量与地球物理研究所

出　　处： 《大地测量与地球动力学》 2003年第3期104-106,共3页

摘　　要： 简要介绍了中国地壳运动观测网络工程基准网中的绝对重力重复测量。给出了两次观测结果的互差 ,其观测精度优于 5× 10 -8m·s-2 ,达到了网络工程设计要求。对一些基准点的重复观测资料进行了初步分析和讨论 ,并对继续开展以后的工作提出了建议。 The repeat absolute gravity observation included in Crustal Movement Observation Network of China are introduced in this paper.The gravimetry was performed by the Institute of Geodesy and Geophysics of Chinese Academy of Science and the gravimeter used is the FG5 with the highest precision in present.The differences between observations in two periods and measurement precision in every point are given.The measurement precision is better than 5×10 {-8\} m/s\+2, it meets the requirement of the network engineering design.In addition, the repeat measurement data at some fiducial points are preliminarily discussed and analyzed, and the succeeding reaserch work are suggested.

关 键 词： 中国地壳运动观测网络 绝对重力测量 观测精度 基准网

领　　域： [天文地球] [天文地球]