CG-5重力仪静态观测残差分析

Analysis on Residual Errors by CG-5 Gravimeter's Static Observation

CG-5重力仪观测结果中固体潮校正和漂移非线性误差不容忽视。用Tsoft和MT80W计算的固体潮值与CG-5重力仪内部软件提供的固体潮值进行对比,并通过CG-5大量静态观测数据的分析研究,得到了其理论固体潮和漂移残余误差的基本认识,为CG-5的静态观测精度的把握提供了依据。

As is known to all,the solid tidal calibration error and non-linear error of drift in CG-5 gravimeter cannot be ignored.After comparing solid tidal value calculated by Tsoft and MT80W with that provided by internal software of CG-5gravimeter,the authors obtain some basic knowledge about the theoretical solid tidal error and residual error of drift through analysis on substantial static data observed by CG-5 gravimeter,which provides a theoretical basis for mastering the static observation precision of CG-5 gravimeter.