||P/S separation of OBS data by inversion in a homogeneous medium||
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P/S separation of OBS data by inversion in a homogeneous medium
A separation of pressure waves from shear waves in OBS data prior to processing can improve the resulting image. I present a nearly medium-independent P/S separation method, which operates by reconstructing the observed data using a homogeneous medium. The closer the homogeneous medium parameters are to the actual parameters of the medium in which the receivers are planted, the better the separation results. Synthetic tests indicate that the proposed method works reliably for land data even when using wrong medium parameters, but cannot work for OBS data in its current configuration.