ISSN 1004-4140
CN 11-3017/P
Volume 23 Issue 5
Oct.  2014
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HUANG Ye-zhong, XIONG Bin, LUO Tian-ya, LIU Yun-long. Electromagnetic Field's Spatial Distribution of a Horizontal Magnetic-dipole in Layered Media[J]. CT Theory and Applications, 2014, 23(5): 785-796.
Citation: HUANG Ye-zhong, XIONG Bin, LUO Tian-ya, LIU Yun-long. Electromagnetic Field's Spatial Distribution of a Horizontal Magnetic-dipole in Layered Media[J]. CT Theory and Applications, 2014, 23(5): 785-796.
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Electromagnetic Field's Spatial Distribution of a Horizontal Magnetic-dipole in Layered Media

  • Guilin University of Technology, College of Earth Sciences, Guilin 541004, China

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  • Received Date: May 05, 2014
  • Available Online: December 09, 2022
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  • In allusion to the case that dielectric constant and magnetic permeability vary with the depth of rock stratum, this paper presents the horizontal or vertical spatial distribution feature and corresponding variation law of electromagnetic field of a horizontal magnetic-dipole source. Taking advantage of the algorithm of Hankel J0 transform linear filters (241 points) and Hankel J1 transform linear filters (241 points) suggested by Kong, we discuss the spatial distribution characteristic of a horizontal magnetic-dipole source as media dielectric constant and magnetic permeability make changes in the homogeneous earth and two layers geoelectric structure. The result indicates a negative correlation between the amplitude of magnetic field component Hx and magnetic permeability, while a positive correlation between Hz (Ey) and magnetic permeability; meanwhile, the change of dielectric constant scarcely affects magnetic field in the low frequency electromagnetic sounding.
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