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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... 时变比例 time variant scaling 有限差分偏移 finite difference migration 基尔霍夫积分偏移 Kirchhoff integration migration ...
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有限差分时间偏移 finite difference time migration
有限差分深度偏移 finite-difference depth migration
有限差分法偏移 finite-difference migration
有限差分波动方程偏移 finite difference wave equation migration
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。
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.
分析误差传递因子相角等因素对有限差分波动方程偏移造成的相位畸变问题，找到相应规律。
Cut-error that made from the finite difference mirgation, phase angle of error transfer function and factors that determine their values are discussed.
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 finite difference depth migration equation in space-frequency domain can be derived when the radical expression is approximated by continued fraction.
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