Translations:Velocity analysis - book/9/en

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Computers can determine velocities by carrying out calculations based on many intricate time-distance relationships, and the results can present empirical velocity as a function of traveltime (or depth) in a display called the velocity spectrum (Taner and Koehler, 1969[1]). Empirical velocities so determined are called stacking velocities, and the problem is then to relate those velocities to a mathematical relationship from which the thicknesses and velocities of the subsurface layers can be estimated.

  1. Taner, M. T., and F. Koehler, 1969, Velocity spectra-digital computer derivation and applications of velocity functions: Geophysics, 34, 859–881.