浮动基准面方法是将相对固定基准面的一份静校正量分解成两部分，并分别在动校正前、后应用的一种处理手段，这种分解是以CMP道集为单位的。
Floating datum method is divide the static of relative fixed datum into two parts that are applied to seismic data before and after NMO respectively and the division is done on CMP gather.
该方法要求输入反射波经过动校正拉平后的CDP道集，以便采用边剔除边拟合的方法，使多次波及随机噪声基本上得到克服。
The method needs NMO-corrected CDP gathers so that deletion and fitting can be simultaneously performed to essentially remove multiples and random noises.
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