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《PROGRESS IN GEOPHYSICS》 2000-03
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VELOCITY AND POLARIZATION ANOMALY FOR qSV-WAVE IN SEVERAL WEAKLY ANISOTROPIC MEDIA

ZHANG Chao ying 1,LI Shou lin 2,HE Xiao dong 3 WANG Guang jie 1,GUAN Lu ping 3,ZHANG Zhong jie 1 1. Institute of Geology and geophysics, Chinese Academy of Sciences, Beijing 100101,China 2. China National Star Petroleum  
The group velocity and polarization vector for qSV wave are studied in transversely isotropic media with vertical axis of symmetry, the exact and approximate formula for the calculation of group velocity and polarization are given in the paper, and the reliability of the replacement to the algebraic complexity of the exact formula with the simplified approximate formula is discussed. In the last, we present velocity anisotropic factor, polarization and their corresponding deviation between polarization and its phase normal for qSV wave in several commonly anisotropic materials.
【Fund】: 科技部‘86 3’青年基金;; 新星石油公司科技攻关项目成果!(5 990 10 6 )
【CateGory Index】: P315.31
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