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Traveltime calculation in three dimensional transversely isotropic (3D TI) media by the fast marching method
Traveltime calculation in three dimensional transversely isotropic (3D TI) media by the fast marching method
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机译:快速行进法计算三维横观各向同性(3D TI)介质中的传播时间
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摘要
A technique for calculating traveltime of a seismic wave in three dimensional tilted transversely isotropic (3D TI) media includes determining a wave vector, defining a unit vector, calculating an angle of the wave vector from an axis and performing a slowness determination, wherein a unit vector for a symmetry axis is defined as: (cos φ sin θ, sin φ sin θ, cos θ); where φ represents the azimuth of the symmetry axis measured from the x direction; and, θ represents the dip angle of the symmetry axis measured from the z direction. The technique may be practiced as a computer implemented set of instructions, and may be incorporated into measurement equipment.
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