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| CHARACTERISTICS OF ELECTROMAGNETIC RESPONSE TO MAGNETIC DIPOLE SOURCE AT DIFFERENT FLYING HEIGHTS |
| MIN Gang1, WANG Xu-ben1, MAO Li-feng1, HU Qing-long2, QIU Lin1 |
1. Key Laboratory of Earth Exploration and Information Technology of MOE, Chengdu University of Technology, Chengdu 610059, China;
2. Sichuan Hydropower Engineering Investigation Co., Ltd., Chengdu 610072, China |
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Abstract Based on the expression of ground layered media on the surface magnetic dipole field derived by A. A. Kaufman, the authors deduced frequency-domain airborne electromagnetic field's expression for magnetic dipole source. Using two-layer and three-layer typical earth model, the authors studied electromagnetic response at different flying heights. Calculations show that the changes of the flying height affect directly the electromagnetic response's value of points measured.
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Received: 10 June 2011
Published: 10 August 2012
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