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- W2097456842 abstract "Wavefield downward continuation does not need to be done on a structured spatial mesh. Semistructured meshes have advantages (no need for regularization before migration) but they sometimes produce artifacts. There are at least two acquisition settings which will not result in artifacts. The implementation is simple. I present a 2D zero-offset !-x semistructured mesh migration (SMM) of a synthetic dataset. Its outputs are compared with those of !-x migration on a regular grid, with zero traces inserted in the place of missing data. There are several potential ways of removing the artifacts. Extension to 3D is also possible." @default.
- W2097456842 created "2016-06-24" @default.
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- W2097456842 date "2002-01-01" @default.
- W2097456842 modified "2023-09-27" @default.
- W2097456842 title "Finite-difference !-x migration of unregularized seismic data" @default.
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