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I have presented an efficient algorithm for calculating residual migration
operators. This algorithm is generally applicable to both post-stack and
pre-stack migration, and to both common shot and constant offset geometry.
I have used examples to demonstrate the accuracy of the algorithm. However,
the conclusions drawn from these examples are based on the assumptions of having
accurate partial derivatives of traveltimes. To understand
how the errors in the traveltime calculation would affect the results of the
algorithm, more experiments need to be done.

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Stanford Exploration Project

1/13/1998