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Absorbing boundary ...
Abstract
Ämnesord
Stäng
- The standard boundary conditions used at the sides of’s seismic section in wave-equation migration generateartificial reflections. These reflections from the edges of the computational grid appear as artifacts in the finalsection. Padding the section with zero traces on either 5ide adds to the cost of’migration and simply delays theine\ itable reflections.We develop stable absorbing boundary condition5 that annihilate almost all of the artificial reflections. Thisih demonstrated analytically and with synthetic examples. The absorbing boundary conditions presented canbe used with any ofthe different type\ of finite-diftcrence wa\e-equation migration, at essentially no extra cost.
Ämnesord
- NATURVETENSKAP -- Data- och informationsvetenskap (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences (hsv//eng)
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- ref (ämneskategori)
- art (ämneskategori)
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