| 摘要 |
A method of seismic prospecting offshore by means of at least one pair of hydrophone-geophone sensors disposed at the water bottom, in which a sound source at the surface of the water emits a sound signal and the sensors at the water bottom take hydrophone and geophone recordings H and G, the method comprising the following various steps: a filtered signal is determined such that: M=H DELTA -G SIGMA with H DELTA =+E,fra 1/2+EE (H-HR) and G SIGMA =+E,fra 1/2+EE (G+GR) where HR and GR correspond respectively to the recordings H and G propagated over a go-and-return path through the layer of water; and the data obtained in this way is processed to deduce therefrom information about the geology of the subsoil.
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