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Long Term Zero Drift Characteristics of KSS31 Marine Gravimeter
Author(s): 
Pages: 32-35
Year: Issue:  3
Journal: Hydrographic Surveying and Charting

Keyword:  gravity measurementmeasuring springmarine gravimeterzero drift;
Abstract: 通过对两套德国生产的KSS31海洋重力仪十多年来的零点漂移变化观测数据的整理,分析了长期以来零点漂移特征及其影响因素.本文认为缓慢的正向漂移是海洋重力仪零点漂移之总体趋势,其中会出现一些正负的波动,而大的零点漂移波动往往对应着设备状态出现的大变化.建议在海洋重力仪的搬运、重新安装之后需加强监测;重力仪的恒温系统需长期保持工作状态;最后认为长期对海洋重力仪的零点漂移保持跟踪,对于海洋重力仪的维护、使用以及测量资料的精度保证十分必要.
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