The down-going wavefield at the sensor position is forward propagated to the water bottom, resulting in a down-going wavefield at the water bottom (46).

传感器部位上的下行波场被正向传播到水底，产生水底处的下行 波场（46）。

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To handle the true 3D nature of the wavefield, including the wide azimuths and large take-off angles of the ghosts, a 3D deghosting method was developed.

为了处理波场的真实3D特性（其中包括宽方位角和重影入射角），发明了三维虚反射剔除方法。

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Prestack depth migration of areal shot records and controlled illumination can get high-quality images by source wavefield controlling and highly efficient areal shot records migration.

面炮组合和控制照明结合的叠前深度偏移通过对震源波场的控制以及高效的面炮偏移能够得到高质量的成像结果。

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