1. Key Laboratory of Earth Exploration and Information Techniques, Ministry of Education, College of Geophysics, Chengdu University of Technology, Chengdu, China
2. School of Computer Science and Technology, Changchun University of Science and Technology, Changchun, China
3. Consortium for Electromagnetic Modeling and Inversion (CEMI), The University of Utah, Salt Lake City, UT, USA
4. Key Laboratory of Geophysics, SINOPEC Geophysical Research Institute, Nanjing, China