煤岩体微震事件属性识别与标定综合分析方法

来源 :采矿与安全工程学报 | 被引量 : 15次 | 上传用户：bueryuyu33

【摘要】

：

为了从纷繁复杂的微震监测信号中辨识并标定出有效的微震(MS)事件,基于ESG系统STA/LTA触发及阈值原理,运用微震监测信号属性不同的特征规律,结合淮南新庄孜矿6211(4)工作面上覆岩层回采工程条件,提出了一套识别与标定有效微震事件的综合分析方法.研究结果表明:系统接收到的微震信号主要分为3类:有效的微震事件、爆破信号及各种原因引起的噪声信号.该方法抗噪能力比较强,灵敏度高,具有良好的稳定性和

【作者】

：

刘超唐春安薛俊华余国锋

【机构】

：

大连理工大学岩石破裂与失稳研究所,淮南矿业集团煤矿瓦斯治理国家工程研究中心,

【出处】

：

采矿与安全工程学报

【发表日期】

：

2011年01期

【关键词】

：

震源监测信号 STA/LTA 标定属性

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煤岩体微震事件属性识别与标定综合分析方法

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