Next:
Wide-angle migration methods
Up:
Table of Contents
Wide-angle migration methods
PLANE-WAVE SUPERPOSITION
Migration improves horizontal resolution
Rays and fronts
Waves in Fourier space
The input-output relation
Travel-time depth
SUMMATION AND SUPERPOSITION OF CONICS
Hyperbola summation refined into the Kirchhoff method
THE PHASE-SHIFT METHOD
THE STOLT METHOD
INFLUENCES ON MIGRATION QUALITY
Spatial aliasing concept
Sensitivity of migration to velocity error
Subjective comparison and evaluation of methods
Evanescence and ground roll
THE PARAXIAL WAVE EQUATION
Why the wave equation is rarely used for migration
Fourier derivation of the paraxial wave equation
Snell waves
Time-shifting equations
Fourier decomposition
Velocity gradients
About this document ...
Stanford Exploration Project
10/31/1997
![[*]](http://sepwww.stanford.edu/latex2html/prev_gr.gif)
