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2-D full-wavefield inversion for wide-aperture, elastic, seismic data (1992)

Sun, Robert ; McMechan, George A.

Oxford, UK : Blackwell Publishing Ltd

Geophysical journal international 111 (1992), S. 0

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ISSN: 1365-246X

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Geosciences

Notes: Full-wavefield inversion of two-component (elastic), wide-aperture, seismic data from surface sources and receivers simultaneously provides 2-D estimates of both P and SV velocity distributions. The algorithm operates on common-source gathers; it involves cross-correlation of propagating source and residual wavefields to define the steepest descent direction used to update the velocities at each point in a 2-D finite-difference grid. The solution is stable even in the presence of random noise and when the input traces are unequally spaced. Examples include a stack of flat layers and a folded and faulted structure.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/j.1365-246X.1992.tb00550.x

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