Correlation analysis and imaging technique of TEM data

doi:10.1071/EG11034

	Correlation analysis and imaging technique of TEM data
	Guo, Wen-Bo 2; Xue, Guo-Qiang 1; Li, Xiu 3; Liu, Yin-Ai 3
刊名	EXPLORATION GEOPHYSICS
	2012-09-01
卷号	43 期号:3 页码:137-148
关键词	correlation superposition imaging synthetic aperture TEM
ISSN号	0812-3985
DOI	10.1071/EG11034
文献子类	Article
英文摘要	Although the transient electromagnetic method (TEM) has been used in geo-exploration for many years, the inversion precision of TEM data is still very limited and new techniques are needed to improve TEM data interpretation. Mathematically, TEM data can be converted into a series of virtual waves. Multi-aperture electromagnetic modelling shows that the coherence of multi-aperture TEM and echo waves measured at adjacent positions from the same geological body is high. Therefore, it is feasible to apply multi-aperture synthesis to TEM data. Based on the idea of synthetic aperture radar, a new data-processing method has been developed that uses superposition to realise multi-aperture data integration as well as Kirchhoff migration and imaging. After the pseudo-wavelet extraction from TEM data, the traditional approach of profile-based multi-aperture synthesis has been developed for each survey station. Furthermore, the traditional single point approach was applied for multiple point coverage. The technology of synthetic aperture improves TEM resolution, rendering it possible to extract information from TEM data that cannot be obtained by conventional methods. Experiments with both synthetic and survey data show that synthetic aperture imaging is effective, paving the way for developing a new TEM imaging technology.
WOS关键词	DOMAIN ELECTROMAGNETIC MIGRATION ; INVERSE PROBLEMS ; FIELD ; TIME ; OBJECTS ; LOOP
WOS研究方向	Geochemistry & Geophysics
语种	英语
出版者	CSIRO PUBLISHING
WOS记录号	WOS:000308331800001
资助机构	Major State Fundamental Research Program of China(2012CB416605) ; Major State Fundamental Research Program of China(2012CB416605) ; Natural Science Foundation of China(41174090 ; Natural Science Foundation of China(41174090 ; 41174108) ; 41174108) ; Major State Fundamental Research Program of China(2012CB416605) ; Major State Fundamental Research Program of China(2012CB416605) ; Natural Science Foundation of China(41174090 ; Natural Science Foundation of China(41174090 ; 41174108) ; 41174108) ; Major State Fundamental Research Program of China(2012CB416605) ; Major State Fundamental Research Program of China(2012CB416605) ; Natural Science Foundation of China(41174090 ; Natural Science Foundation of China(41174090 ; 41174108) ; 41174108) ; Major State Fundamental Research Program of China(2012CB416605) ; Major State Fundamental Research Program of China(2012CB416605) ; Natural Science Foundation of China(41174090 ; Natural Science Foundation of China(41174090 ; 41174108) ; 41174108)
内容类型	期刊论文
源URL	[http://ir.iggcas.ac.cn/handle/132A11/84224]
专题	中国科学院地质与地球物理研究所
通讯作者	Xue, Guo-Qiang
作者单位	1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing 100029, Peoples R China 2.Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Peoples R China 3.Changan Univ, Coll Geol Engn & Geomat, Xian 710054, Peoples R China
推荐引用方式 GB/T 7714	Guo, Wen-Bo,Xue, Guo-Qiang,Li, Xiu,et al. Correlation analysis and imaging technique of TEM data[J]. EXPLORATION GEOPHYSICS,2012,43(3):137-148.
APA	Guo, Wen-Bo,Xue, Guo-Qiang,Li, Xiu,&Liu, Yin-Ai.(2012).Correlation analysis and imaging technique of TEM data.EXPLORATION GEOPHYSICS,43(3),137-148.
MLA	Guo, Wen-Bo,et al."Correlation analysis and imaging technique of TEM data".EXPLORATION GEOPHYSICS 43.3(2012):137-148.