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[1]YANG Liwei,QIU Zhigang,LIN Guolinag,et al.Research on Double-steps Pickup of STA/LTA and Bayes BIC Rule Applied to Travel Time of P-wave in Strong Earthquake Early Warning[J].Journal of Seismological Research,2017,40(04):619-628.

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Research on Double-steps Pickup of STA/LTA and Bayes BIC Rule Applied to Travel Time of P-wave in Strong Earthquake Early Warning

Journal of Seismological Research[ISSN 1000-0666/CN 53-1062/P] Volume: 40 Number of periods: 2017 04 Page number: 619-628 Column: 自投稿专栏 Public date: 2017-09-20

Title:: Research on Double-steps Pickup of STA/LTA and Bayes BIC Rule Applied to Travel Time of P-wave in Strong Earthquake Early Warning

Author(s):: YANG Liwei¹; QIU Zhigang²; LIN Guolinag¹; WANG Yushi³; (1. Yunnan Earthquake Agency,Kunming 650224,Yunnan,China)(2. School of Urban and Rural Construction & Engineering Management,Kunming University,Kunming 650214,Yunnan,China)(3. Institute of Geophysics,China Earthquake Administration,Beijing 100081,Chin

Keywords:: earthquake early warning; P-wave; strong earthquake records; STA/LTA; BIC rule; double-steps to pick up

CLC:: P315.91

DOI:: -

Abstract:: Used the domestic and overseas researches of P wave seismic phase identification for reference,a real-time processing method for P wave seismic phase identification is proposed based on seismic data of Yunnan area. The method is STA/LTA+BIC two-step pick-up method,by which the selected records of P wave from Yunnan Strong Motion Observation Network were accurately and automatically identified. The differences between this method and the artificial pick-up method were compared and analyzed. The results shows that the precision of STA/LTA+BIC two-step pick-up method can meet the rapid accurate earthquake warning requirement.

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Last Update: 2017-09-20