Abstract

Free surface multiple removing via iterative prestack migration Introduction Y.-H. DE ROECK J.-M. COGNET G. CHAVENT F. CLEMENT IFREMER Acoustics and seismics group PO Box 70 F-29280 Plouzané France INRIA-Rocquencourt This study focuses on the suppression of the free-surface multiple in the framework of waveform inversion. No 1D assumption is made on the medium thus dipping events in the sea-bed can be represented with their true characteristics with regards to amplitude modulation versus the incident angle. The propagation model incorporates a specular reflection coefficient on the sea-bed that encompasses the local roughness of the first layer. However the model remains

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/content/papers/10.3997/2214-4609-pdb.15.IM-5
2001-06-11
2024-03-29
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609-pdb.15.IM-5
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