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SEG Technical Program Expanded Abstracts 2016
Recently, a novel method to redatum the wavefield in the subsurface from a reflection response measured at the surface has gained interest for imaging primaries in the presence of strong internal multiples. A prerequisite for the algorithm is an accurate and correct estimate of the direct-wave Green's function. However, usually we use an estimate for the direct-wave Green's function computed in a background velocity medium. Here, we investigate the effect of amplitude and phase errors in thatdoi:10.1190/segam2016-13777555.1 fatcat:kenpmbiyk5brrn6bdftrmreopq