1887

Abstract

We develop a new polarization filter to attenuate the ground roll in seismic records. This polarization filter is designed as a joint function of time and frequency based on S transform, so it can overcome some limitations of other polarization filters that operate exclusively in either time or frequency domain. Here, the S transform is preferable because its scalable window length can ensure the same number of cycles of Fourier sinusoid, and this property makes the estimation of local polarization attributes more precisely. To demonstrate the feasibility and effectiveness of our approach, we apply this polarization filter on synthetic and real data examples. The results demonstrate that the proposed polarization filter can effectively attenuate the ground roll and successfully protect the body wave.

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/content/papers/10.3997/2214-4609.20130244
2013-06-10
2020-03-29
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.20130244
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