Análisis de sensibilidad en la estimación de la función característica de punta de hamilton de la sísmica geométrica
Keywords:
Sísmica geométrica, tiempos de Tránsito, modelos sísmicos (es)Downloads
Using the second-order approximations of the traveltimes in a seismic model which consists of a pile of homogeneous layers separated by smooth interfaces, the traveltimes of reflection events registered in the vicinity of the central ray can be estimated from an hyperbolic function that corresponds to Hamilton's point characteristic in optics, where it is not numerically known. In seismic, it can be determined through a linear regression between the source-detector coordinates and the traveltimes of at least nine rays properly selected and registered in multiple fold configurations. A sensibility analysis allows to know the stability and robustness of the linear regression method to estimate the characteristic traveltimes function.
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