... amplitude error correction振幅误差勘正 amplitude excursion振幅偏移 amplitude frequency distortion振幅频率失真 ...
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是利用振幅随偏移距变化特征分析和识别岩性和油气藏的地震勘探技术。
AVO is a seismic exploration technology using the characteristics of amplitude variation versus offset to recognize the rock types and oil-gas reservoir.
其中阶梯型全倾角偏移既能有效地消除交叉干扰，又能保持大倾角反射波的振幅特性。
The all-dip migration using ladder difference scheme not only effectively removes cross-interference but also preserves amplitude characteristic of steep-dip reflections.
本文使用高阶方程深度偏移方法，并且在计算中采用了一种与差分运算等价的时移法解决了计算中出现的频散和振幅失真问题。
The depth migration with higher-order approximation by time-shift algorithm eliminates the frequency dispersion and amplitude distortion in the calculation process.
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