一种基于速度反演的高速铁路多台地震定位方法  

A High-speed Railway Multi-station Seismic Positioning Method Based on Velocity Inversion

作　　者：林华伟 LIN Hua-wei(Sichuan Crungoo Information Engineering Co.,Ltd.,Chengdu 610036,China)

机构地区：[1]四川旷谷信息工程有限公司,成都610036

出　　处：《价值工程》2018年第35期214-215,共2页Value Engineering

摘　　要：多台站地震预警是地震预警中的关键步骤,相对于单台站预警而言多台地震定位结合了多个台站的位置与地震到时差,具备更高的定位精准度。本文在已有地震的资料的基础上反演地震波速度,将反演后的速度应用到基于双曲线的多台定位方法中,通过对实际天然地震进行定位,采用反演速度的地震定位方法可以有效提高多台定位的精度,在实时预警中具备应用价值。Multi-station earthquake warning is a key step in earthquake warning.Compared with the warning of single station,multiple seismic positioning combined the position of multiple stations and the time difference between earthquake and earthquake.Therefore,multiple seismic positioning has higher accuracy.In this paper,the velocity of seismic wave is retrieved on the basis of existing seismic data.By positioning the actual natural earthquake,the seismic positioning method with inversion speed can effectively improve the accuracy of multiple sets of positioning,which has application value in real-time warning.

关 键 词：地震 高速铁路 反演速度 地震定位 

分 类 号：P315[天文地球—地震学]