1887

Abstract

In this paper we will demonstrate that the computational effort of FWI can be reduced significantly by applying it to data formed by encoding and summing source gathers, if the encoding of the sources is changed between iterations. Changing the encoding between iterations changes the crosstalk noise caused by the summation of the sources. Thus, the source crosstalk-noise stacks out of the inverted earth model, allowing summation of a large number of encoded sources. We call this method encoded simultaneous-source FWI (ESSFWI). We demonstrate this technique on 2D and 3D synthetic data.

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/content/papers/10.3997/2214-4609.20149930
2010-06-14
2019-12-07
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.20149930
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