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A new infinitesimal computational approach to calculating frequency-domain electromagnetic response
Hou, Dongyang1,2,3; Xue, Guoqiang1,2,3; Zhou, Nannan1,2,3; Yan, Shu4; Di, Qingyun2,3
2018-12-01
发表期刊JOURNAL OF APPLIED GEOPHYSICS
ISSN0926-9851
卷号159页码:312-318
摘要For controlled source audio frequency magnetotellurics (CSAMT) which supported by traditional dipole hypothesis theory, the observations point should be located in far source zone. However, during field measurements, due to limited transmitter power, the distance between transmitter and receiver is usually not too large. Sometimes, field measurements are carried out in the near source zone, and the traditional dipole hypothesis will produce large errors under such condition. So, the errors between the approximate solution of traditional dipole approximation and the exact solution of the long grounded-wire source are firstly studied in this paper. Moreover, relative error distribution between exact solution of the long grounded-wire source and electric dipole source variations with different frequencies has been analyzed. It finds that the traditional dipole hypothesis bring large errors in the near source zone and no longer be satisfied to such condition. As a further study, a new 'harmonic point charge' solution for CSAMT, instead of the traditional dipole hypothesis, is proposed in this paper, which lay a foundation to realize near source prospecting and obtain more accurate near source responses in frequency domain electromagnetic. (C) 2018 Elsevier B.V. All rights reserved.
关键词Traditional dipole hypothesis Frequency domain Error Point charge solution
DOI10.1016/j.jappgeo.2018.09.004
资助者National Key R&D Program of China ; National Key R&D Program of China ; Natural Science Foundation of China (NSFC) ; Natural Science Foundation of China (NSFC) ; National Key R&D Program of China ; National Key R&D Program of China ; Natural Science Foundation of China (NSFC) ; Natural Science Foundation of China (NSFC) ; National Key R&D Program of China ; National Key R&D Program of China ; Natural Science Foundation of China (NSFC) ; Natural Science Foundation of China (NSFC) ; National Key R&D Program of China ; National Key R&D Program of China ; Natural Science Foundation of China (NSFC) ; Natural Science Foundation of China (NSFC)
关键词[WOS]DIPOLE ; CSAMT ; FIELDS
语种英语
资助项目National Key R&D Program of China[2017YFC0601204] ; Natural Science Foundation of China (NSFC)[41474095]
资助者National Key R&D Program of China ; National Key R&D Program of China ; Natural Science Foundation of China (NSFC) ; Natural Science Foundation of China (NSFC) ; National Key R&D Program of China ; National Key R&D Program of China ; Natural Science Foundation of China (NSFC) ; Natural Science Foundation of China (NSFC) ; National Key R&D Program of China ; National Key R&D Program of China ; Natural Science Foundation of China (NSFC) ; Natural Science Foundation of China (NSFC) ; National Key R&D Program of China ; National Key R&D Program of China ; Natural Science Foundation of China (NSFC) ; Natural Science Foundation of China (NSFC)
WOS研究方向Geology ; Mining & Mineral Processing
WOS类目Geosciences, Multidisciplinary ; Mining & Mineral Processing
WOS记录号WOS:000453644600031
出版者ELSEVIER SCIENCE BV
引用统计
文献类型期刊论文
条目标识符http://ir.iggcas.ac.cn/handle/132A11/90260
专题矿产资源研究院重点实验室
通讯作者Xue, Guoqiang
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Earth Sci, Beijing 100029, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Jiangsu Univ, Sch Comp Sci & Commun Engn, Zhenjiang 212013, Peoples R China
推荐引用方式
GB/T 7714
Hou, Dongyang,Xue, Guoqiang,Zhou, Nannan,et al. A new infinitesimal computational approach to calculating frequency-domain electromagnetic response[J]. JOURNAL OF APPLIED GEOPHYSICS,2018,159:312-318.
APA Hou, Dongyang,Xue, Guoqiang,Zhou, Nannan,Yan, Shu,&Di, Qingyun.(2018).A new infinitesimal computational approach to calculating frequency-domain electromagnetic response.JOURNAL OF APPLIED GEOPHYSICS,159,312-318.
MLA Hou, Dongyang,et al."A new infinitesimal computational approach to calculating frequency-domain electromagnetic response".JOURNAL OF APPLIED GEOPHYSICS 159(2018):312-318.
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