NDLI: Simulative Measurement on Conductivity and Permeability Distribution in Sensing Field of Electromagnetic Tomography

Content Provider	IEEE Xplore Digital Library
Author	Dong Liu Feng Dong
Copyright Year	2009
Abstract	Electromagnetic tomography is one kind of electrical impendence tomography which develops faster in recent years. The relation map between Electromagnetic field and measuring electric potential provides adequate prior information and consequently is crucial to image reconstruction of Electromagnetic Tomography (EMT). Firstly the forward problem of EMT is studied in this paper and a new 2-D model of eight homogenous coils is set up in simulative software named COMSOL Multiphysics, finite element method (FEM) is practiced in the solution of forward problem. The simulation on characters of object position, conductivity, and permeability in sensing field is carried out and seriously analyzed. The relation between conductivity of materials and detective electric potential are discussed, revealing that material distribution is mainly presented in the real part of the electric potential. The investigation on object field of EMT is beneficial not only to future reconstruction work but also to optimum design of sensor system.
Starting Page	345
Ending Page	348
File Size	302155
Page Count	4
File Format	PDF
ISBN	9780769535838
DOI	10.1109/ICMTMA.2009.645
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-04-11
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electric potential electromagnetic tomography permeability Conductivity measurement Electromagnetic fields Conducting materials Image reconstruction Electromagnetic measurements magnetic potential conductivity Electric variables measurement Permeability measurement Tomography Impedance
Content Type	Text
Resource Type	Article

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