瞬变电磁法感应电压场与B场探测效果的数值计算对比分析

李展辉, 杨淼鑫, 曹学峰

A numerical study of transient electromagnetic sounding effect using the induced voltage and the B field data

LI Zhan-Hui, YANG Miao-Xin, CAO Xue-Feng

图15 图12中模型第三层厚度分别达到72 m(感应电压视电阻率临界厚度)(a)和90 m(Bz视电阻率临界厚度)(b)时对应的感应电压视电导率和Bz场视电导率曲线

Fig.15 The induced voltage all-time apparent conductivity curve and Bz all-time apparent conductivity curve of the model in Fig.12 when the third layer comes to 72 m (critical resolution thickness of induced voltage apparent conductivity) (a) and 90m (critical resolution thickness of Bz apparent conductivity) (b), respectively