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本研究拟利用山东数字化测震台网记录的实际观测资料,根据单台记录直达P波前2 s数据,通过不同方法测定结果的对比分析,筛选出测定地震方位角的典型方法;探索根据直达P波包络特征和峰值速度测定震中距和震级有效性;根据实际处理结果,从台网中筛选出一旦发生强震适于进行地震预警的台站。
This study intends to use the actual observation data recorded by Shandong digital seismograph network to record the direct 2-second P-wave data according to a single record and to screen out the typical method of measuring the azimuth of seism by the comparative analysis of different methods. P wave envelope characteristics and peak velocity to measure the epicentral distance and magnitude validity. According to the actual processing results, the stations in the event of strong earthquakes suitable for earthquake early warning were screened from the network.