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Characteristics of multiple sources and tensor measurement in CSAMT

文献类型：期刊论文

作者Wang Xian-Xiang1,2; Di Qing-Yun1; Xu Cheng1
刊名CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION
出版日期2014-02-01
卷号57期号:2页码:651-661
关键词Simultiple sources Tensor measurement CSAMT Source characteristics
ISSN号0001-5733
DOI10.6038/cjg20140228
文献子类Article
英文摘要The traditional current electrodes arrangement in Controlled-Source Audiomagnetotellurics method (CSAMT) is "-" type, this arrangement has some significant disadvantages there are weak areas for all components, E-y and H-x are weak in the area where E-x and H-y are strong. Moreover, it is hard to take the normal measurements in the field angle of 360 degree and tensor measurement. In order to eliminate these defects, an "L" type source was designed and the expression formula of each component in the source, which was verified through an experiment in a simple homogeneous semi-space, was presented in this paper. A newly designed signal emission model which avoids the weak area for each component in the field angle of 360 degree was developed subsequently. Tensor measurement with this new "L" type source and the calculation of tipper, complex skew as well as coordinate system rotation indicate that one can obtain better results by tensor measurement than by scalar measurement. The latter is supposed to be applicable in 1-D structure while might bring some bias in 2-D or 3-D geological structure.
WOS关键词SPRINGS THERMAL AREA ; VALLES CALDERA ; BUCHANS MINE ; NEW-MEXICO ; NEWFOUNDLAND ; USA
WOS研究方向Geochemistry & Geophysics
语种英语
WOS记录号WOS:000332443600028
出版者SCIENCE PRESS
源URL[http://ir.iggcas.ac.cn/handle/132A11/85606]  
专题中国科学院地质与地球物理研究所
通讯作者Wang Xian-Xiang
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Engn Geomech, Beijing 100029, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Wang Xian-Xiang,Di Qing-Yun,Xu Cheng. Characteristics of multiple sources and tensor measurement in CSAMT[J]. CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,2014,57(2):651-661.
APA Wang Xian-Xiang,Di Qing-Yun,&Xu Cheng.(2014).Characteristics of multiple sources and tensor measurement in CSAMT.CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,57(2),651-661.
MLA Wang Xian-Xiang,et al."Characteristics of multiple sources and tensor measurement in CSAMT".CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION 57.2(2014):651-661.

入库方式： OAI收割

来源：地质与地球物理研究所

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