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Proceedings Paper

Velocity inversion and high-frequency asymptotics
Author(s): Kidane Araya; Seongjai Kim; Clifford J. Nolan; William Woodbury Symes
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Paper 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.

Paper Details

Date Published: 28 October 1996
PDF: 12 pages
Proc. SPIE 2822, Mathematical Methods in Geophysical Imaging IV, (28 October 1996); doi: 10.1117/12.255216
Show Author Affiliations
Kidane Araya, Rice Univ. (United States)
Seongjai Kim, Rice Univ. (United States)
Clifford J. Nolan, Rice Univ. (United States)
William Woodbury Symes, Rice Univ. (United States)


Published in SPIE Proceedings Vol. 2822:
Mathematical Methods in Geophysical Imaging IV
Siamak Hassanzadeh, Editor(s)

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