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Abstract

One of the most relevant problems in reflection data processing is related to the suppression of localised coherent noises. In shallow reflection surveys typical examples among these noises are: a) the air-coupled wave, due to the extensive use of low-cost surface energy sources such as dropping weights, hainmers, rifles and so on, which produce, more or less extensively, a wide spectrum, high amplitude air wave; b) other linear noises, such as the direct and refracted waves which, in addition to the fact that their frequency band overlaps significantly that of the signal, are very close to the reflections themselves andlor are spatially undersampled.

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/content/papers/10.3997/2214-4609.201407284
1997-08-09
2020-12-02
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.201407284
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