Velocity inversion and high-frequency asymptotics

Kidane Araya; Seongjai Kim; Clifford J. Nolan; William Woodbury Symes

doi:10.1117/12.255216

28 October 1996 Velocity inversion and high-frequency asymptotics

Kidane Araya, Seongjai Kim, Clifford J. Nolan, William Woodbury Symes

Proceedings Volume 2822, Mathematical Methods in Geophysical Imaging IV; (1996) https://doi.org/10.1117/12.255216
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

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.

Citation Download Citation

Kidane Araya, Seongjai Kim, Clifford J. Nolan, and William Woodbury Symes "Velocity inversion and high-frequency asymptotics", Proc. SPIE 2822, Mathematical Methods in Geophysical Imaging IV, (28 October 1996); https://doi.org/10.1117/12.255216

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