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Moving source and receiver position
by slant stacks

Martin Karrenbach

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ABSTRACT

Slant stacks are used to move source or receiver positions of seismic data. A least squares forward slant stack incorporates irregular geometry-related effects and diminishes artifacts in the p-$\tau$ domain. This step is followed by a transpose stack to return to the x-t domain with a different geometry. This very basic procedure can be improved by applying a weighting function in the slant stack domain. The weighting function is derived from a semblance panel computed during the slant stack. This is a nonlinear step and equalizes the importance of coherent events with large amplitude differences.



 
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Stanford Exploration Project
12/18/1997