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PHASE VELOCTY, GROUP VELOCTY OF ANSOTROPC MEDIA AND CHRSTOFFELS EQUATION

Niu Binhua He Qaodeng Tao Chunhui(Department of Geophysics)  
The paper look back on the calculation of christoffel's equation, whose T-S domain and F-K domain are refrined in this paper. The T-S equation and the F-K equation can be used in calculating phase velocity and grroup velocity separatelly. Velocity is aniimportant and basic parameterr in reseaching of anisotropic media. Christoffel's equation is a useful an efficient method in this work, and it is suitable for want only media including anisotropy. We calculate phase and group velocity of transverse isotropic media with the aid of this equation. Finally, the relationship of phase velocity and group velocity is explained in the paper.
【CateGory Index】: P631.4
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