1Coal and rock recognition method based on low frequency component characteristics of discrete cosine transform and learning vector quantizationSUN Jiping, LIU JianqiaoAchievements of Scientific Research1-62R/S analysis of gas emission in coal mine underground tunnelZHANG Pengxiang, HAN Zhenli, LI Qingsong, ZHU Quanjie, HENG Xianwei, ZHANG ShujinAchievements of Scientific Research7-103Determination method of mine microseism source depth under latitude and longitude coordinatesWANG Meng, WANG Guofu, ZHANG Faquan, HUANG GuiqiangAchievements of Scientific Research10-134Remote monitoring system of shearer based on Quest3D and PLCWU Haiyan, WANG Tianlong, ZHANG Xuhui, MAO Qinghua, DU Yuyang, GAO Baizhan, MA HongweiAchievements of Scientific Research14-175Research on monitoring technology of surrounding rock stress based on fiber gratingLI Huwei, FANG Xinqiu, LIANG Minfu, XUE GuangzheAchievements of Scientific Research17-206Power allocation and capacity optimization of multi-relay cooperative communication system in tunnelZHAI Wenyan, SUN Yanjing, LI Song, LIANG DihuiExperimental Research21-257A new accurate localization method in underground tunnel of coal mineYOU Chunxia, ZHANG Shen, HU Qingsong, ZHAI YanrongExperimental Research26-308Feature extraction method for human ear image and its application in miner identificationWU Yunxia, ZHANG Haopeng, DU DongbiExperimental Research30-349Research of personnel tracking algorithm for coal mine substation based on CamShift and particle filterHAO JianhuaExperimental Research35-3810A fault diagnosis method of fault indicator based on the worst principleZHENG Guohua, HUANG Duo, WANG Junfeng, WU Xiaobin, XU Weiqian, SUN Zhenye, ZHANG WeiExperimental Research39-4311Research of routing protocol of wireless sensor network in underground strip environmentDONG Lihong, LU XiangyuExperimental Research43-4712A dynamic image enhancement method for mineYANG Yong, YUE Jianhua, LI Yuliang, WANG QingfeiExperimental Research48-5213Particle velocity detection technology based on Manhattan distance methodCHEN JiangeExperimental Research52-5514Monitoring method of slope based on fringe projection and two-dimensional principal component analysisZHAO Qian, XU XinyaExperimental Research56-5915Research of a separation method of positive and negative sequence component in coal mine power supply systemHUANG Zhichao, LIAO Zhijian, HUANG XiangliExperimental Research60-6416Current leakage protection method of coal mine based on time-sharing ratio of phase current amplitudeCHEN Zhaoye, MA Xinghe, PEI Zhiqiang, ZHANG Junwei, DONG HonglingExperimental Research64-6817Study on hierarchical model of mine emergency command platform systemZHENG Wanbo, WU Yanqing, LIU Dan, LI XianmingExperience Exchange69-7318Current situation of coal mine ventilation system and design of intelligent ventilation systemYANG Jie, ZHAO Liangang, QUAN FangExperience Exchange74-7719Design of PLC control system of uniform velocity temperature rise based on idea of devide and conquerWEI Fupeng, QIAO TiezhuExperience Exchange78-8020Fuzzy comprehensive line selection method of resonance grounding fault in coal mineMA Chunyan, GONG YingExperience Exchange81-84 