摘要
以云南地区的地震数据为基础,借鉴国内外P波震相自动识别相关研究,提出一套可实时处理P波震相的方法,即STA/LTA和贝叶斯BIC双步骤捡拾法。应用此方法对所选取的云南强震动台网观测记录进行P波自动精确识别,并与人工捡拾方法结果进行对比,确定STA/LTA和贝叶斯BIC双步骤捡拾法的识别精度能满足地震预警快速准确的要求。
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
作者
杨黎薇
邱志刚
林国良
王玉石
YANG Liwei;QIU Zhigang;LIN Guolinag;WANG Yushi(Yunnan Earthquake Agency,Kunming 650224,Yunnan,China;School of Urban and Rural Construction & Engineering Management,Kunming University,Kunming 650214,Yunnan,China;Institute of Geophysics,China Earthquake Administration,Beijing 100081,China)
出处
《地震研究》
CSCD
北大核心
2017年第4期619-628,共10页
Journal of Seismological Research
基金
云南省地震局青年基金"强震预警中的震级快速判定研究"(201406)
云南省地震科技人员传帮带培养项目(C3-2104004)
国家自然科学基金--高铁联合基金项目(U1434210)联合资助
关键词
地震预警
P波
强震记录
STA/LTA
贝叶斯准则
双步骤捡拾
earthquake early warning
P-wave
strong earthquake records
STA/LTA
BIC rule
double-steps to pick up
