3-D traveltimes and amplitudes by gridded rays

Geophysics

Volumn 66, Issue 1, 2001, Pages 277-282

  Bernasconi, G ^a   Drufuca, G ^a  

^a POLITECNICO DI MILANO   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

FINITE DIFFERENCE METHOD; VELOCITY MEASUREMENT; WAVE PROPAGATION; COMPUTATION THEORY; DIFFERENTIAL EQUATIONS; GEOMETRICAL OPTICS;

SEISMIC IMAGING; EIKONAL EQUATION; ISOTROPIC MEDIUM; POTENTIALLY UNSTABLE; STABILITY CONDITION; THREE DIMENSIONS; UNCONDITIONALLY STABLE; WAVEFRONT TRACKING; ZERO-ORDER APPROXIMATION;

SEISMOLOGY; FINITE DIFFERENCE METHOD;

AMPLITUDE; SEISMIC MIGRATION; SEISMIC TOMOGRAPHY; SEISMIC VELOCITY; TRAVEL TIME;

EID: 0035068146     PISSN: 00168033     EISSN: None     Source Type: Journal    
DOI: 10.1190/1.1444906     Document Type: Article

References (20)

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5. Finite-difference solutions of the 3D eikonal equation in spherical coordinates
6. Can we image complex structures with first-arrival traveltime?
7. Kirchhoff migration using eikonal equation traveltimes
8. Robust Kirchhoff pre-stack depth imaging with semi-gridded rays
9. 3-D Multivalued traveltime and amplitude maps
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12. Migration of common shot gathers
13. Robust and efficient upwind finite-difference traveltime calculations in three dimensions
14. A fast marching level set method for monotonically advancing fronts
15. Fast marching methods
16. 3-D traveltime computation using the fast marching method
17. Upwind finite-difference calculation of traveltimes
18. Finite-difference calculation of traveltimes in three dimensions