Spatial aliasing: Difference between revisions
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Data should be sampled at more than two points per wavelength. Otherwise the wave arrival direction becomes ambiguous. |
Data should be sampled at more than two points per wavelength. Otherwise the wave arrival direction becomes ambiguous. |
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Revision as of 02:11, 11 June 2006
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Spatial aliasing concept
Spatial aliasing means insufficient sampling of the data along the space axis. This difficulty is so universal, that all migration methods must consider it.
Data should be sampled at more than two points per wavelength. Otherwise the wave arrival direction becomes ambiguous.