Applications of the Trace Transform in Surface Wave Attenuation on Seismic Records

Applications of the Trace Transform in Surface Wave Attenuation on Seismic Records
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迹变换在地震记录面波衰减中的应用

DOI:
10.1109/tgrs.2011.2156417
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发表时间:
2011-12
影响因子:
8.2
通讯作者:
Yang, Baojun
Yang, Baojun
中科院分区:
工程技术1区
文献类型:
--
作者:
Wu, Ning;Li, Yue;Yang, Baojun

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地震数据处理的一个主要目标是去除面波并提高地震记录的质量。在这里,我们提出了一种基于图像处理的迹线变换的共核迹线(CCT)变换滤波,并将其应用于地震表面波衰减。 CCT变换是根据表面波的分布和传播而设计的。在CCT变换域中,表面波的能量显着增强,可以用相对阈值滤除,而反射事件由于明显的差异而被保存。综合模型和现场数据的实验表明,该算法在表面波衰减和反射信号保留方面均表现良好,并且与一些传统方法相比具有优势。
A main target of seismic data processing is to remove the surface waves and improve the quality of seismic records. Here, we propose a Co-Core Trace (CCT) transform filtering based on the Trace transform from image processing and apply it to seismic surface wave attenuation. The CCT transform is designed according to the distribution and propagation of the surface waves. In the CCT transform domain, the energies of surface waves are significantly enhanced and could be filtered out with a relative threshold, while the reflection events are saved due to the conspicuous disparity. Experiments on both synthetic model and field data demonstrate that the proposed algorithm performs well both in surface wave attenuation and reflected signal preservation, besides presenting advantages over some conventional methods.
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