虚反射(ghost)是多次反射中的一种。指由爆炸点向上传播,遇到低速带底面或地面后,又向下反射传播,最后又从下面的反射界面再反射至地面的现象。
...形成机制、频率响应的理论探讨_stmopen 关键词】: 虚反射 信息采集 低频响应 激发深度 [gap=489]Keywords】: Ghost Reflection; Information Acquisition; Low-Frequency Response; Excitation Depth ...
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理论研究表明虚反射会降低分辨率。
Theoretical research suggests that the ghost reflection reduces the seismic resolution.
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。
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.
本文通过虚反射机理分析,提出了充分利用虚反射能量设计最佳激发井深、增强下传地震波能量的采集方法。
Analyzing ghost mechanism, the paper presented the acquisition method fully using ghost energy to design the optimum shooting depth and strengthen the energy of down-propagating seismic waves.
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