Dictionary:Fig C-17

From SEG Wiki
Revision as of 16:28, 20 December 2011 by Wiki Admin (talk | contribs) (Initial import)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

FIG. C-17. Critical distance. Curvature of the reflection is hyperbolic if velocity above the reflector is constant. Reflection amplitude is often large in the vicinity of critical reflection and the phase of the reflection generally changes beyond the critical distance.