On the role of multiples in Marchenko imaging

On the role of multiples in Marchenko imaging
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DOI:
10.1190/geo2016-0323.1
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发表时间:
2017
期刊:
影响因子:
3.3
通讯作者:
K. Wapenaar;J. Neut;E. Slob
K. Wapenaar;J. Neut;E. Slob
中科院分区:
地球科学2区
文献类型:
--
作者:
K. Wapenaar;J. Neut;E. Slob

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【摘要】马尔琴科成像可以产生抑制多重相关伪影的地震反射图像。然而,在最先进的实现中,倍数不会产生成像反射器。使用“逐个事件”的反卷积成像方法,可以在Marchenko成像中使用倍数。我们在一维反射响应中说明了这一点,其中缺少特定界面的主反射。
ABSTRACTMarchenko imaging can produce seismic reflection images in which artifacts related to multiples are suppressed. However, in state-of-the-art implementations, multiples do not contribute to the imaged reflectors. With an “event-by-event” deconvolution imaging approach, it is possible to use multiples in Marchenko imaging. We illustrate this for a 1D reflection response in which the primary reflection of a specific interface is missing.