Zobrazeno 1 - 10
of 129
pro vyhledávání: '"Van der Neut, Joost"'
Publikováno v:
GEOPHYSICS, vol. 89, NO. 3, P 1-8 (2024)
Recently, the focus of reflection seismologists has shifted to applications where a high-resolution image of the subsurface is required. Least-Squares Reverse-Time Migration (LSRTM) is a common tool used to compute such images. Still, its high comput
Externí odkaz:
http://arxiv.org/abs/2305.16420
Least-Squares Reverse-Time Migration (LSRTM) is a method that seismologists utilize to compute a high-resolution subsurface image. Nevertheless, LSRTM is a computationally demanding problem. One way to reduce the computational costs of the LSRTM is t
Externí odkaz:
http://arxiv.org/abs/2302.14495
Publikováno v:
Geophysical Journal International Volume 233 Issue 1 April 2023
Geophysicists have widely used Least-squares reverse-time migration (LSRTM) to obtain high-resolution images of the subsurface. However, LSRTM needs an accurate velocity model similar to other migration methods. Otherwise, it suffers from depth estim
Externí odkaz:
http://arxiv.org/abs/2204.08774
Publikováno v:
Geophysics (2023) pages R135-R143. Volume 88, Issue 2
Geophysical monitoring of subsurface reservoirs relies on detecting small changes in the seismic response between a baseline and monitor study. However, internal multiples, related to the over- and underburden, can obstruct the view of the target res
Externí odkaz:
http://arxiv.org/abs/2204.07103
Autor:
van der Neut, Joost, Brackenhoff, Joeri, Meles, Giovanni, Zhang, Lele, Slob, Evert, Wapenaar, Kees
A Green's function in an acoustic medium can be retrieved from reflection data by solving a multidimensional Marchenko equation. This procedure requires a-priori knowledge of the initial focusing function, which can be interpreted as the inverse of a
Externí odkaz:
http://arxiv.org/abs/2203.16143
Wavefield focusing is often achieved by Time-Reversal Mirrors, where wavefields emitted by a source located at the focal point are evaluated at a closed boundary and sent back, after Time-Reversal, into the medium from that boundary. Mathematically,
Externí odkaz:
http://arxiv.org/abs/1812.04619
Autor:
Wapenaar, Kees, Brackenhoff, Joeri, Thorbecke, Jan, van der Neut, Joost, Slob, Evert, Verschuur, Eric
Publikováno v:
Scientific Reports 8 (2018) 2497
A virtual acoustic source inside a medium can be created by emitting a time-reversed point-source response from the enclosing boundary into the medium. However, in many practical situations the medium can be accessed from one side only. In those case
Externí odkaz:
http://arxiv.org/abs/1709.03758
Akademický článek
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Publikováno v:
In Journal of Applied Geophysics August 2018 155:256-264
Publikováno v:
Proceedings: Mathematical, Physical and Engineering Sciences, 2016 Jun 01. 472(2190), 1-22.
Externí odkaz:
http://www.jstor.org/stable/24738972