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The two way elastic phase shift modeling scheme that I have presented can be
used to efficiently calculate synthetic seismograms for layered anisotropic
media. The scheme is closely related to reflectivity methods but differs in
that it takes a stepwise approach to modeling the wave propagation. Although
this may be less efficient it allows the user select which parts of the
total wavefield they wish to see in the output data. It does this without
any simplifying assumptions (e.g. no conversions) that would lead to
incorrect amplitude information.

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Stanford Exploration Project

12/18/1997