地震地磁观测与研究2025，Vol.46Issue(2)：82-90,9.DOI:10.3969/j.issn.1003-3246.2025.02.009
红庆河煤矿区域背景噪声特征分析
Characteristics of background noise in the Hongqinghe coal mine area
摘要
Abstract
To investigate the background noise characteristics of the coal mine area,the observation data above a working face of Hongqinghe coal mine and the waveform data of Dongsheng seismic station are collected,and the background noise characteristics of the Hongqinghe coal mine area are compared and analyzed by calculating the root-mean-square value of the velocity,the acceleration power spectral density,and the probability density function of the power spectra.The results show that the background noise level in the coal mine area is close to the Class I standard.Compared with the urban area,the coal mine area has fewer interference sources and is suitable for deploying the seismic monitoring network.The Dongsheng Seismic Station is closer to the urban area,and there are more sources of noise interference.The main sources of noise in the coal mine area are the activities of cattle and sheep herds in the nearby pasture,wind and dust weather,herdsmen's driving vehicles,and coal mining activities,etc.,and the high-frequency background noise mainly comes from human activities.To reduce the background noise interference and the influence of wind,sand,and temperature on the background noise,the coal mine seismic monitoring network needs to be deployed in areas far away from highways,village,and town buildings,etc.,and comprehensively consider the use of a shallow-well method of instrument deployment,and the use of thermal insulation covers and other measures during the installation of the instruments.The frequency band range of short-period seismometers can meet the demand of seismic monitoring in coal mine areas,and they have the advantages of being economical,strong anti-interference ability,easy to deploy and maintain,etc.,which are suitable for seismic monitoring in coal mine areas.关键词
背景噪声/概率密度函数/噪声均方根/功率谱概率密度/煤矿Key words
background noise/probability density function/root mean square of noise/power spectrum probability density/coal mine引用本文复制引用
刘元康,张珂,王鑫,苏日亚,王强,李维一..红庆河煤矿区域背景噪声特征分析[J].地震地磁观测与研究,2025,46(2):82-90,9.基金项目
内蒙古自治区地震局局长基金(项目编号:2024QN14) （项目编号:2024QN14）
