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Abstract

A-06 A NOVEL COMPENSATION METHOD FOR THE SOURCE DIRECTIVITY OF AN AIR-GUN ARRAY 1 JAN DOUMA and EVERETT C. MOBLEY WesternGeco 10001 Richmond Avenue Houston TX 77042 USA Abstract The far-field signatures for angles-of-incidence ranging from zero to fifty degrees have been analyzed for various air-gun arrays. These analyses demonstrate that due to the directivity of the air-gun arrays the difference between an individual signature and the average signature is 8 to 10 dB lower than the average signature. This differential energy is a consequence of amplitude and phase differences between the signatures for the various take-off angles. This differential

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/content/papers/10.3997/2214-4609-pdb.5.A006
2002-05-27
2024-03-29
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