Kirchhoff Equation
Kirchhoff Equation :
(n.) Geophysics. A mathematical representation of the principle that a wavefield at a given point in space and time can be considered as thesuperposition of waves propagating from adjacent points and earlier times. It is an integral form of the wave equation in which the wave function at a point is represented as the sum (integral) of contributions from a surface enclosing the given point. The Kirchhoff equation (also called the Kirchhoff integral) is the basis for Kirchhoff migration. See: Kirchhoff migration, wave equation
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