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A bstract Trace interpolation of spatially aliased seismic data is used to improve the quality of multi‐trace processing, especially that of migration. We consider non‐rectangular sampling lattices. After stating the real sampling requirements for (two‐dimensional or 3‐D) digitized signals, the paper explains geometrically the effect of migration and of the 2‐D dip filtering upon the aliased events, as well as our ability to interpolate traces from undersampled seismic data.
V. Bardan (Fri,) studied this question.