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Coal-rock interface detection method using ground penetrating radar and its experiment

LI Liang;WANG Xin;HU Kexiang;ZHAO Duan;DING Enjie;Internet of Things(Perception Mine)Research Center,China University of Mining and Technology;School of Information and Electrical Engineering,China University of Mining and Technology;  
Coal-rock interface detection principle using ground penetrating rader was introduced.Feasibility and practicability of using ground penetrating radar technology to detect coal-rock interface was discussed.The radar antenna with frequency of 200 MHz-1GHz was proved to realize most of coal-rock interface detection through theoretical analysis.The experiment was taken by use of LTD-2100 ground penetrating radar in Guozhuang Coal Mine.The experimental results show that radar antenna with frequency of 400 MHz can realize detection of gas coal-sandstone interface with a small error.
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