1. Key Laboratory of Intelligent Detection and Equipment for Underground Space of Beijing-Tianjin-Hebei Urban Agglomeration, Ministry of Natural Resources, Hebei GEO University, Shijiazhuang, People’s Republic of China
2. Hebei GEO University, Center for Integrated Gravity, Magnetic, and Electrical Prospecting, Shijiazhuang, Hebei, People’s Republic of China
3. Chang’an University, Xi’an, People’s Republic of China