1887

Abstract

in terms of second order spatial derivatives of traveltimes � . Provided that a traveltime curve is smooth and single-valued (the approach is the same for multi-valued traveltimes but the different branches of the traveltime curve have to be treated separately) � can be expanded into a Taylor series corresponding to the paraxial approximation: � � © � � � � � � � (3) � � � � are the slownesses at the source and receiver the matrices and are the � second order derivatives of the traveltime with respect to receiver source and mixed coordinates. and� Vectors and

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/content/papers/10.3997/2214-4609-pdb.15.L-13
2001-06-11
2020-04-09
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609-pdb.15.L-13
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