静校正计算时一般假设射线在近地表附近为垂直传播，这种假设往往与射线实际传播的路径不符。
The general assumption in calculating static correction is that the near-surface ray-paths travel vertically, which does not conform with the actual travelling path of ray.
随着油气勘探的重点向西部复杂地区转移，地震数据处理中的静校正计算成为其中关键性步骤，也是基础性工作。
With the West China becoming the focal point of petroleum exploration, the static correction is always a key and basic step in seismic data processing.
该方法同时从共炮点域、共检波点域及共炮检距域，采用拟合法计算出短波长和长波长静校正并建立近地表模型。
Fitting process was used in the computation of statics of long and short wavelength in domains of common shot, common receiver, and common offset, and a near surface model was also established.
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