一种新型的地震信号判别电路  

A NEW JUDGING CIRCUIT FOR EARTHQUAKE SIGNAL

作　　者：张凤环[1] 陈安方[1] 

机构地区：[1]山东省地震局,山东济南250014

出　　处：《东北地震研究》2002年第4期55-60,共6页Seismological Research of Northeast China

摘　　要：介绍一种采取同时判别频率、幅度、持续时间这三项指标的新型地震信号判别电路,以确定某一信号是否为地震信号。A new judging circuit for earthquake single has been introduced in this articleBy distinguishing the frequency,the amplitude and the keeping time at the same time,this circuit can be used to judge whether a single is a earthquake information

关 键 词：误报警 地震信号 判别电路 频率 幅度 持续时间 测震仪 

分 类 号：P315.62[天文地球—地震学]