MIXED CALIBRATION ON LONG BASELINE FOR LCR AND CG-5 GRAVIMETERS
Liu Shaoming 1) ;Sun Shaoan 1) ;Lu Hongyan 2) ; and Guo Shusong 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 CG5 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 CG5 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.
Key words ：
LCR gravimeter
CG5 gravimeter
scale function
calibration
long baseline
Received: 01 January 1900
Corresponding Authors:
Liu Shaoming
Cite this article:
Liu Shaoming ,Sun Shaoan ,Lu Hongyan et al. MIXED CALIBRATION ON LONG BASELINE FOR LCR AND CG-5 GRAVIMETERS[J]. , 2012, 32(1): 56-59.
Liu Shaoming ,Sun Shaoan ,Lu Hongyan et al. MIXED CALIBRATION ON LONG BASELINE FOR LCR AND CG-5 GRAVIMETERS[J]. jgg, 2012, 32(1): 56-59.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2012/V32/I1/56
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