SEVERAL PROBLEMS OF STRAIN CALCULATION AND ANALYSIS AND CORRECTION OF RELATED DEVIATION
Yang Guohua 1) ; Wu Yanqiang 2) ;Yang Bo1) ;Zhang Fengshuang1) ; 1) ;Zhou Haitao1) ; and Dong Yunhong1)
1) First Crust Monitoring and Application Center, CEA, Tianjin 3001802) Institute of Earthquake Science, CEA, Beijing 100036
Abstract There exists many kinds of calculation models of plane and spherical strain fields, but the results are different.It is analyzed the representative models, and points out which model has unbias as well as which one has deviation,which models deviation can be corrected as well as which one can only be used to the strain computing of uniform medium but can not be extended and which model can be used the calculation and analysis of continuous strain field. Besides, it’s also provides the correction relationship for computing spherical difference movement (displacement) by strain results, and demonstrates the meaning of the nondifferential term in spherical strain model.
Key words ：
GNSS
horizontal strain calculation
model applicability
deviation correction
strain filtering
Received: 01 January 1900
Corresponding Authors:
Yang Guohua
Cite this article:
Yang Guohua ,Wu Yanqiang ,Yang Bo et al. SEVERAL PROBLEMS OF STRAIN CALCULATION AND ANALYSIS AND CORRECTION OF RELATED DEVIATION[J]. , 2010, 30(4): 59-63.
Yang Guohua ,Wu Yanqiang ,Yang Bo et al. SEVERAL PROBLEMS OF STRAIN CALCULATION AND ANALYSIS AND CORRECTION OF RELATED DEVIATION[J]. jgg, 2010, 30(4): 59-63.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2010/V30/I4/59
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