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| LCR重力仪与CG-5重力仪的长基线混合标定 | |
| 引用本文： | 刘少明,孙少安,卢红艳,郭树松.LCR重力仪与CG-5重力仪的长基线混合标定[J].大地测量与地球动力学,2012,32(1):56-59. |
| 作者姓名： | 刘少明 孙少安 卢红艳 郭树松 |
| 作者单位： | 1. 中国地震局地震研究所,武汉,430071 2. 中国地震局地球物理研究所,北京,100081 3. 中国地震局第二监测中心,西安,710054 |
| 基金项目： | 中国地震局三结合课题，科技部公益研究专项 |
| 摘 要： | 2010-01-18-26日,在武汉、郑州、北京、沈阳4个高精度绝对重力点长基线上对8台LCR重力仪和4台CG-5重力仪进行了混合标定,标定结果表明:5台重力仪(其中4台为CG-5重力仪)显示出二次项的存在,但精度偏低.对于存在二次项的5台重力仪,一次项参数的单独标定结果均好于联合标定,其他重力仪的标定结果则基本保持不... |
| 关 键 词： | LCR重力仪 CG-5重力仪 格值函数 标定 长基线 |
MIXED CALIBRATION ON LONG BASELINE FOR LCR AND CG-5 GRAVIMETERS |
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| Liu Shaoming , Sun Shaoan , Lu Hongyan , Guo Shusong.MIXED CALIBRATION ON LONG BASELINE FOR LCR AND CG-5 GRAVIMETERS[J].Journal of Geodesy and Geodynamics,2012,32(1):56-59. | |
| Authors: | Liu Shaoming Sun Shaoan Lu Hongyan Guo Shusong |
| Institution: | 3)( 1)Institute of Seismology,CEA,Wuhan 430071 2)Institute of Geophsics,CEA,Beijing 100081 3)Second Monitoring and Application Center,CEA,Xi’an 710054) |
| Abstract: | The mixed calibration of 8 LCR and 4 CG-5 gravimeters carried out on the long baseline including 4 high precision absolute station of Wuhan,Zhengzhou,Beijing and Shenyang from May 5th to May 20th,2010 and from Jan 18th to Jan 26th,2010 is introduced.The results show that the quadratic terms exists in five gravimeters including all the 4 CG-5 gravimeter,but the precision of them is relatively low.If we only calibrate the first order term,the precision of the first order term of the five gravimeters is better than the joint calibration and for the other gravimeters it is basicallly invariant. |
| Keywords: | LCR gravimeter CG-5 gravimeter scale function calibration long baseline |
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