finite-difference depth migration 有限差分深度偏移 finite-difference migration 有限差分偏移 finite-difference modeling 有限差分模拟 ..
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目前主要有以下3种叠前深度偏移方法:有限差分法偏移(finite-difference migration)、逆时偏移 (reverse-time migration)和克希霍夫积分法偏移(Kirchhoff migration).
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Fourier finite difference migration operator Fourier有限差分偏移算子
3D finite difference migration 三维有限差分偏移
fourier finite-difference migration 傅里叶有限差分偏移
finite difference time migration 有限差分时间偏移
finite-difference depth migration 有限差分深度偏移
Finite Difference Wave Equation Migration 有限差分波动方程偏移
According to geologic model of unsteady groundwater flow in heterogeneous medium and adopting the finite difference solution, the direction and strength of oil gas migration can be quantified.
根据非均匀各向异性地层的非稳定的地下水流动模型，采用有限差分法求解，可以定量判断油气运移的方向及强度。
The finite difference depth migration equation in space-frequency domain can be derived when the radical expression is approximated by continued fraction.
采用连分式近似，可以得到空间频率域的有限差分深度偏移方程。
The paper introduced the prestack depth migration from relief surface based on implicit wide-angle finite-difference one-way propagation operator and used SEG piedmont nappe structure model for test.
本文介绍了基于广角隐式有限差分单程波传播算子的起伏地表叠前深度偏移方法，并对SEG山前带推覆构造模型进行了检验。
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