Root Mean Square Velocity
Root Mean Square Velocity :
(n.) Geophysics. The value of the square root of the sum of the squares of the velocity values divided by the number of values, symbolized byvrms. The root-mean-square velocity is that of a wave through subsurface layers of different interval velocity along a specific raypath, and is typically several percent higher than the average velocity. The stacking velocity and the root-mean-square velocity approach equality when source-receiver offset approaches zero and layers are horizontal and isotropic. See: Dix formula, raypath, stacking velocity, velocity
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