音频大地电磁接地电阻校正技术研究
李栋, 张明财, 吴远洋

Exploring a correction technology for ground resistance in audio-frequency magnetotelluric measurements
LI Dong, ZHANG Ming-Cai, WU Yuan-Yang
图3 视电阻率与接地电阻关系
Fig.3 Diagram of the relationship between apparent resistivity and ground resistance