Summary
The traditional hyperbolic traveltime correction is generally inappropriate for flattening reflected events at large offsets. For this, non-hyperbolic traveltime equations may be used. These equations have usually three terms, making the processing more cumbersome and costly. I apply here a new two-term non-hyperbolic traveltime approximation for velocity analysis and moveout correction. Practical aspects and benefits of this approach are illustrated by an application to ground penetrating radar (GPR) field data.
Introduction
Most high-order traveltime approximations are described by three coefficients: the zero-offset traveltime t0, the moveout velocity, and a third parameter.
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2003. Society of Exploration Geophysicists
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