Due to the self-transition of the loop, the early signal of TEM suffers great distortion. In order to study characteristics of the early signal with TEM, the authors formulated self-induction formulae for single coil and multi-turn coils, deduced theoretical expressions for the amplitude of the loop self-induction signal, and gave the induction of single coil and multi-axial coils. The response curve of buried object affected by the coils and the length of loop's change are also studied. The results obtained lay a foundation for further studies of the additional effect of the early field and can serve as reference data for further researches.
杨海燕, 岳建华, 王梦倩, 刘志新. 矿井瞬变电磁法中多匝回线电感对目标体探测的影响[J]. 物探与化探, 2007, 31(1): 34-37.
YANG Hai-yan, YUE Jian-hua, WANG Meng-qian, LIU Zhi-xin. THE INFLUENCE OF THE INDUCTION OF MULTI-TURN COILS FOR TEM ON THE DETECTION OF BURIED OBJECTS IN UNDERGROUND MINES. Geophysical and Geochemical Exploration, 2007, 31(1): 34-37.