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消除地震反射数据中的自由面的影响是叠前偏移前做的一个基本的预处理步骤。其问题可利用瑞利互换理论进行阐述,对于不包含这些自由面效应的所需压力场而言,给出了第二种形式的积分方程。此积
The effect of eliminating free surface in seismic reflection data is a basic preconditioning step before prestack migration. The problem can be explained using the Rayleigh exchange theory. For the desired pressure field not containing these free-surface effects, a second form of integral equation is given. This product