Simultaneous seismic random noise attenuation and signal preservation by optimal spatiotemporal TFPF
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- 作者：Hongbo Lin hblin@jlu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Yue Li liyue@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Haitao Ma ; math@jlu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Liping Xu xulipingnuts@163.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Optimal spatiotemporal trajectory ; Gaussian test statistic ; Seismic random noise ; Time frequency peak filtering
- 刊名：Journal of Applied Geophysics
- 出版年：2016
- 出版时间：May 2016
- 年：2016
- 卷：128
- 期：Complete
- 页码：123-130
- 全文大小：2092 K
文摘
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The Shapiro–Francia (S–F) test statistic is used to identify seismic events and construct optimal filtering trajectories.
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We propose an optimal spatiotemporal time–frequency peak filtering method to attenuate random noise and preserve seismic signals simultaneously.
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The OST–TFPF reduces bias of seismic signal estimate by reinforcing morphology characteristics of seismic events using S-F.