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如果在叠加剖面上仍有较强的线性干扰，还要再做一次二维滤波。
The second-pass 2D filtering is necessary when quite strong linear noise still remains on stacked seismic section.
对光栅的布拉格衍射条件以及偏振对二维滤波的影响进行了理论分析。
The Bragg's condition and effect of polarization on performances of the two-dimension filter are also discussed.
本文论述了两种消去多次波的处理方法。即相干加强方法和二维滤波方法。
This paper discusses the two methods for suppression of. multiple waves, namely, coherence emphasis method and two dimensional filtering method.
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