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Device and method for velocity function extraction from the phase of ambient noise
Device and method for velocity function extraction from the phase of ambient noise
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机译:从环境噪声的相位中提取速度函数的装置和方法
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摘要
Methods and systems for deriving S-wave velocity information from the low-frequency content of ambient noise are described. The ambient noise can be collected on a dedicated record or on a production record associated with the receivers of a three-dimensional seismic survey. The methods and systems use one of a plurality of analysis models selected based on quality factors of the ambient noise data. The methods and systems analyze the data at a plurality of single frequencies then transform the velocity versus frequency data into velocity versus depth data.
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