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3-D traveltime computation
by Huygens wavefront tracing

Paul Sava

paul@sep.stanford.edu

ABSTRACT

In this paper, I present a 3-D implementation of Huygens wavefront tracing. The three-dimensional version of the method retains the characteristics of the two-dimensional one: stability, accuracy, and efficiency. The major difficulty of the 3-D extension is related to the handling of triplications. An easy to implement solution is to approximate the wavefronts at the triplications as planes orthogonal to the incident ray.


 
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Stanford Exploration Project
4/20/1999