【摘要】 通过分析西安地震台近几年各个方向记录到的影区地震,详细阐述Lg1、Lg2波的确认方法,运用Matlab对数据进行分析,给出S波与Lg1、Lg2波的走时关系式,提高影区地震的分析速度和准确度,为单台大震速报和日常分析提供借鉴经验。更多还原

【Abstract】 By analyzing shadow zone earthquakes in all direction recorded in Xi’an Seismic Station in recent year,the confirmation method for Lg1,Lg2 waves is elaborated.Using Matlab to analyze data,the traveltime relationship between S wave and Lg1,Lg2 wave is obtained,the analysis speed and accuracy for shadow zone seismic analysis speed and accuracy is improved.This result provides referencable experience for quick report of strong earthquake with the data of single station and rountine analysis.更多还原