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本文指出了目前采用Kirchhoff积分法进行波动方程迭偏所存在的问题,直接求出平界面反射波的Kirchhoff积分公式的解。进一步讨论了反射波和绕射波的性质,从而提出建立在这些性质基础上的新偏移方法。
This paper points out the existing Kirchhoff integral method for wave equation overlay existing problems, direct solution to the flat interface reflection wave Kirchhoff integral formula. The properties of reflected and diffracted waves are further discussed, and a new migration method based on these properties is proposed.