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针对传统波动方程衰减多次波存在的问题,提出一种新的多次波衰减方法。该方法通过对波动方程偏移算法进行适当的约束,可以更好地进行多次波预测、自适应衰减和空间假频衰减。用此方法对加拿大东部海上地震资料进行的实际处理取得了较好的效果。
Aiming at the problem of attenuating multiple waves in traditional wave equation, a new method of multiple attenuation is proposed. The method can make better prediction of multiple waves, adaptive attenuation and spatial aliasing attenuation by appropriate constraint on wave equation migration algorithm. This method has achieved good results in the actual processing of seismic data from offshore Canada.