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METHOD FOR DEGHOSTING SEISMIC DATA ACQUIRED BY A MARINE SEISMIC SOURCE AND RECEIVER ASSEMBLY
METHOD FOR DEGHOSTING SEISMIC DATA ACQUIRED BY A MARINE SEISMIC SOURCE AND RECEIVER ASSEMBLY
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机译:海洋地震源与接收器组件获取的地震数据的分解方法
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摘要
In a method for deghosting seismic data acquired by a marine seismic source and receiver assembly effects of seismic reflections by the water surface, known as ghost signals, are removed by a deghosting algorithm, which transforms input seismic data with the surface ghost reflections into source- and receiver-deghosted seismic data using a sparse-inversion technique both for hydrophone and/or geophone recordings, which technique includes equation (26), thereby considerably improving usuable bandwidth and giving rise to a significant imaging uplift.
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