多激励源瞬变电磁探测方法在煤矿采空区的应用

孙海川, 王文忠, 李治中, 刘永亮

Application of the multi-excitation source transient electromagnetic method in the coal mine goaves

SUN Hai-Chuan, WANG Wen-Zhong, LI Zhi-Zhong, LIU Yong-Liang

图4 多激励场源(电流方向相反)测线32各分量多测道曲线

Fig.4 Multi-xcitation field source (opposite current direction) line 32 multi-omponent trace