28 October 1996 Velocity inversion and high-frequency asymptotics
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Abstract
Differential semblance measures are unique amongst velocity inversion objectives in having well-defined and smooth high frequency asymptotics. A version appropriate for analysis of CMP gathers and layered models is particularly easy to analyze and economical for numerical experimentation. For model-consistent data, the DS objective measures the discrepancy in takeoff slowness of rays, weighted by the energy in the data -- without of course requiring that events be identified or rays traced. Numerical experiments with synthetic data illustrate the theoretical properties.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Kidane Araya, Kidane Araya, Seongjai Kim, Seongjai Kim, Clifford J. Nolan, Clifford J. Nolan, William Woodbury Symes, William Woodbury Symes, } "Velocity inversion and high-frequency asymptotics", Proc. SPIE 2822, Mathematical Methods in Geophysical Imaging IV, (28 October 1996); doi: 10.1117/12.255216; https://doi.org/10.1117/12.255216
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