Modelling Seismic Wave Propagation for Geophysical Imaging

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Tác giả: R Brossier, E Chaljub, O Coutant, V Cruz-Atienza, S Garambois, D Mercerat, S Operto, V Prieux, A Ribodetti, J Tago, J Virieux

Ngôn ngữ: eng

ISBN-13: 978-9533079448

Ký hiệu phân loại: 551.22 Earthquakes

Thông tin xuất bản: InTechOpen, 2012

Mô tả vật lý:

Bộ sưu tập: Tài liệu truy cập mở

ID: 189953

 The Earth is an heterogeneous complex media from the mineral composition scale (10?6m) to the global scale ( 106m). The reconstruction of its structure is a quite challenging problem because sampling methodologies are mainly indirect as potential methods (Günther et al., 2006
  Rücker et al., 2006), diffusive methods (Cognon, 1971
  Druskin & Knizhnerman, 1988
  Goldman & Stover, 1983
  Hohmann, 1988
  Kuo & Cho, 1980
  Oristaglio & Hohmann, 1984) or propagation methods (Alterman & Karal, 1968
  Bolt & Smith, 1976
  Dablain, 1986
  Kelly et al., 1976
  Levander, 1988
  Marfurt, 1984
  Virieux, 1986). Seismic waves belong to the last category. We shall concentrate in this chapter on the forward problem which will be at the heart of any inverse problem for imaging the Earth. The forward problem is dedicated to the estimation of seismic wavefields when one knows the medium properties while the inverse problem is devoted to the estimation of medium properties from recorded seismic wavefields.
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