a                                           b

　　图3 100m埋深相对差异垂直剖面图(a SOTEM, b loop-source TEM) 

a                                         b

　　图4 视电阻率剖面图(a loop-source TEM, b SOTEM) 

　　两种近源装置在安徽某矿产探查中的应用表明，SOTEM的探测深度要远大于回线源瞬变电磁装置(图4)。这些研究成果完善了瞬变电磁探测理论，对于具体的工程实例有一定指导意义。 

　　上述研究成果发表在国际SCI期刊Journal of Geophysics and Engineering (Zhou N, Xue G, Chen W, et al. A comparison of TEM data from different near-source systems[J]. Journal of Geophysics and Engineering, 2017, 14(3): 487.)