国产绝对重力仪与FG5绝对重力仪比对实验Contrast test of domestic absolute gravimeter with FG5
任敏拴,商永杰,郑文科,康胜军,赵丕
摘要(Abstract)：
针对国产绝对重力仪样机在高强度连续工作条件下的稳定性、观测精度、系统偏差、野外适应性、使用的便捷性等问题,该文选取西安、平凉、威武、哈密、乌鲁木齐、北京6处距离跨度较大的重力基准点位,对国产绝对重力仪与FG5绝对重力仪进行同址同期的比对观测实验。结果表明:国产绝对重力仪的整体工作性能良好,但是其成果精度低于FG5,且在外界噪声较小的情况下,两者测量成果一致性较好;反之,两者测量成果差异较大。分析认为国产绝对重力仪的隔振系统性能低于FG5,表明国产绝对重力仪抗干扰能力有待进一步优化,从而为绝对重力仪的国产化提供改进依据。
关键词(KeyWords)： 国产绝对重力仪;比对;FG5;一致性;精度
基金项目(Foundation): 国家重大科学仪器设备开发专项资助(2012YQ10022508)
作者(Author): 任敏拴,商永杰,郑文科,康胜军,赵丕
DOI: 10.16251/j.cnki.1009-2307.2020.09.001
参考文献(References)：
- [1] 白磊,张为民,邢乐林,等.FG5X-246与FG5绝对重力仪比对测量实验[J].地理空间信息,2016,14(3):104-106.(BAI Lei,ZHANG Weimin,XING Lelin,et al.Contrast test of FG5x-246 absolute gravimeter with FG5[J].Geospatial Information,2016,14(3):104-106.)
- [2] 玄松柏,邢乐林,何志堂,等.国内绝对重力实验观测比对[J].大地测量与地球动力学,2008,28(4):72-74.(XUAN Songbai,XING Lelin,HE Zhitang,et al.Comparative experiment of absolute gravimeter surveying in China mainland[J].Journal of Geodesy and Geodynamics,2008,28(4):72-74.)
- [3] 何志堂,韩宇飞,康胜军,等.A10/028与FG5绝对重力仪比对测量实验[J].大地测量学与地球动力学,2014,34(3):142-145.(HE Zhitang,HAN Yufei,KANG Shengjun,et al.Contrast test of A10/028 absolute gravimeter with FG5[J].Journal of Geodesy and Geodynamics,2014,34(3):142-145.)
- [4]李建国．FG5绝对重力仪在工程中的应用[D]．郑州：信息工程大学，2012.(LI Jianguo.The application of FG5absolute gravimeter in projects[D].Zhengzhou:Information Engineering University,2012.)
- [5]吴琼．高精度绝对重力仪关键技术研究[D]．北京：中国地震局地球物理研究所，2011.(WU Qiong.The study of the key technology in high-precision absolute gravimeter[D].Beijing:Institute of Geophysics,China Earthquake Administration,2011.)
- [6]邢乐林，李辉，何志堂，等．成都基准台绝对重力复测结果分析[J]．大地测量与地球动力学，2008,28(6):38-42.(XING Lelin,LI Hui,HE Zhitang,et al.Analysis of repeat absolute gravimetric results at Chengdu seismostation[J].Journal of Geodesy and Geodynamics,2008,28(6):38-42.)
- [7]肖凡，张宏伟，王应建，等．FG5绝对重力仪比对观测数据分析[J]．海洋测绘，2011,31(5):55-57.(XIAO Fan,ZHANG Hongwei,WANG Yingjian,et al.Analysis of thecomparison results of FG5 absolute gravimeters[J].Hydrographic Surveying and Charting,2011,31(5):55-57.)
- [8]何志堂，张宏伟，王应建，等．中国大陆构造环境监测网络FG5/214结果分析[J]．地理空间信息，2013,11(4):125-127.(HE Zhitang,ZHANG Hongwei,WANG Yingjian,et al.Measured results analysis of FG5/214gravimeter in the project of crustal movement observation network of China[J].Geospatial Information,2013,11(4):125-127.)
- [9] FANG M,HAGER B H.Vertical deformation and absolute gravity[J].Geophysical Journal International,2001,146(2):539-548.
- [10]MICRO-G LACOSTE.FG5absolute gravimeter user,s manual[Z/OL].[2019-07-05].http：∥www.oalib.com/references/7537448.
- [11]MICROG-LACOSTE.FG5g7user,s manual/software[Z/OL].[2019-07-05].http：∥www.oalib.com/references/7537448.