SCALE FACTOR CALIBRATION OF A SUPERCONDUCTING GRAVIMETER BY USING ABSOLUTE GRAVIMETRY
Xing Lelin 1,2,3) ;,Li Hui 1,2) ;,Liu Ziwei 1,2) ;Xuan Songbai 1,2) ; and Hao Hongtao 1,2)
1)Institute of Seismology, CEA ,Wuhan 4300712)Crustal Movement Laboratory, Wuhan 4300713)School of Geodesy and Geomatics ,Wuhan University, Wuhan 430079
Abstract The scale factor of the superconducting gravimeter(SG) at Jiufeng gravity datum station was calibrated by colocated absolute gravimetry with an FG5 absolute gravimeter(AG). The data processing results show that the mean scale factor is -76.960±0.085× 10 -8 ms -2/V,the accuracy level is about 0.1%, the scale factor obtained by absolute gravimetry for 2 days(about 5 000 drops) is nearly stable and the accuracy is better than 0.2%.
Key words ：
absolute gravimeter
superconducting gravimeter
calibration factor
gravity datum
data processing
Received: 01 January 1900
Corresponding Authors:
Xing Lelin
Cite this article:
Xing Lelin,Li Hui,Liu Ziwei et al. SCALE FACTOR CALIBRATION OF A SUPERCONDUCTING GRAVIMETER BY USING ABSOLUTE GRAVIMETRY[J]. , 2010, 30(1): 48-50.
Xing Lelin,Li Hui,Liu Ziwei et al. SCALE FACTOR CALIBRATION OF A SUPERCONDUCTING GRAVIMETER BY USING ABSOLUTE GRAVIMETRY[J]. jgg, 2010, 30(1): 48-50.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2010/V30/I1/48
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