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中文摘要：
矿井工作面煤岩体的电性特征异常关系到煤矿安全生产。以煤矿采场中存在低电阻率地质异常体为实际背景建立物理模型，采用有限差分法对电磁波波动方程进行了二维正演数值模拟。分析了采煤工作面中存在低电阻率异常体时电磁波透射波场的响应特征，对采煤工作面中存在的煤与瓦斯突出区、含水体、断层构造等电阻率异常体的探测研究具有重要的理论指导意义。
英文摘要：
Coal rock body electric characteristic abnormity of the mine coal face relates to coal mine safety production. The physical model is established based on the background of the abnormal geological objects with low resis- tivities in the coal face, and then 2D forward numerical modeling for electromagnetic wave equation is implemented by the finite - difference scheme. Response characteristic of electromagnetic wave transmission wave field in coal face with low resistivity abnormal object has been analyzed. It has important theory instruction significance to survey and research coal face containing electric resistivity abnormal object, for example coal - and - gas - outburst region, water body, fault structure and so on.
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