煤矿井下巷道的地震识别效果及分析
杨晓东, 张建强, 耿利强, 张学启, 程慧慧, 康苒

Performance and analysis of seismic recognition in coal mine underground roadways
YANG Xiao-Dong, ZHANG Jian-Qiang, GENG Li-Qiang, ZHANG Xue-Qi, CHENG Hui-Hui, KANG Ran
图4 研究区主要煤层地震时间剖面和频谱
Fig.4 Seismic time profiles of reflected waves and spectrum from main coal seams in the study area