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Abstract

In this paper, the reflection coefficient mapping is obtained by applying the geometrical spreading correction to<br>the principal component of the zero-offset primary reflection wavefield. The seismic model is assumed to be<br>known and for tutorial reasons constituted by two-dimensional (2-D) homogeneous layers separated by arbitrary<br>curved interfaces. The geometrical spreading factor is then expressed by a function of the so-called<br>eigenwavefront attributes, namely the curvatures of the normal incidence point (NIP) wave and the normal (N)<br>wave. By applying to the same set of seismic data, the proposed reflection coefficient mapping is compared<br>with the result of the zero-offset true amplitude diffraction stack migration algorithm and also with the exact<br>value obtained by the plane wave reflection coefficient approximation.

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/content/papers/10.3997/2214-4609-pdb.215.sbgf200
1999-08-15
2021-11-29
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609-pdb.215.sbgf200
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