IN-SITU CALIBRATION OF GUZA STATION’S 4-COMPONENT BOREHOLE STRAINMETER
Kan Baoxiang 1) ;Qiu Zehua 1) ; and Chi Shunliang 2)
1) Institute of Crustal Dynamics, CEA, Beijing 1000852) Earthquake Administration of Hebi City, Henan Province, Hebi 458000
Abstract In order to improve the accuracy of observations and make further research, the insitu relative calibration and absolute calibration of the 4component borehole strainmeter at Guza station were made. In these calibrations, the influence of phase lag on the coupling coefficients sufficiently was considered and eliminated, thus the accuracy of the coupling coefficients has been obviously improved after insitu calibration.
Key words ：
4component borehole strainmeter
relative calibration
absolute calibration
inversion
phase lag
Received: 01 January 1900
Corresponding Authors:
Kan Baoxiang
Cite this article:
Kan Baoxiang ,Qiu Zehua ,and Chi Shunliang . IN-SITU CALIBRATION OF GUZA STATION’S 4-COMPONENT BOREHOLE STRAINMETER[J]. , 2009, 29(1): 36-40.
Kan Baoxiang ,Qiu Zehua ,and Chi Shunliang . IN-SITU CALIBRATION OF GUZA STATION’S 4-COMPONENT BOREHOLE STRAINMETER[J]. jgg, 2009, 29(1): 36-40.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2009/V29/I1/36
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