By Jorg Schleicher, Martin Tygel, Peter Hubral
A wealthy literature exists on computational equipment in line with wave equations for seismic imaging and earth-parameter estimation. a little bit misplaced within the strengthen to increasingly more subtle computational innovations are the intuitive rules with roots that extend again to Hagedoorn and are in line with ray conception, the geometry of knowledge, and the geometry of wave propagation. In 'Seismic True-Amplitude Imaging' (SEG Geophysical advancements sequence No. 12), the authors describe their learn of decades, demonstrating that these easy principles additionally bring about a vast description of the constitution of the earth's inside and the adjustments in medium parameters throughout reflectors. Demonstrations within the open literature of the efficacy in their tools abound. Now these principles were accumulated and reorganized. The e-book offers a pictorial presentation of the elemental ideas of Kirchhoff-type imaging and proceeds to a complete remedy of its kinematic and dynamic facets. The textual content is a invaluable addition to the library of someone drawn to the speculation and practices of seismic information processing for imaging and parameter estimation with all its attendant processes.
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Additional resources for Seismic True-Amplitude Imaging
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The number of points where the ray tube shrinks to zero. 50. 50. , 1977; Cervený, 1987). It is made up of the 2 × 2 matrices Q1 , Q2 , P 1 , and P 2 . Matrices P 1 , Q1 (plane-wave ˜ray tracing ˜ along the ˜central ˜ ˜ ray with the matrices) are obtained by ˜dynamic initial conditions of a plane wave at the starting point (P 1 = O , Q1 = I ). 50. 50. org/ “1127fm” — 2007/6/26 — page xliii — 16:59 — Stage II — #43 xliv List of Symbols and Abbreviations Other symbols 0 0ˆ 2D zero vector (Chapter 3, “Dynamic ray tracing” section) 3D zero vector (equations 9 and 10 of Chapter 3) 2D differential operator nabla with respect to horizontal global Cartesian coordinates; ∇ = (∂/∂r1 , ∂/∂r2 ).
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