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《Journal of Communication University of China(Science and Technology)》 2016-05
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A Novel Method of Equivalent Circuit Parameters Extraction of NFC Antenna

ZHANG Li;LU Gui-zhen;Information Engineering School,Communication University of China;  
A novel method is proposed for extracting equivalent circuit parameters of a near-field communication( NFC) antenna,by uniting electronic statics and magnetic statics techniques with the finite element and infinite element methods. Considering the mesh sizes of the finite element,which is limited to the thinner copper coils,we effectively adopt the interpolation method to calculate the exact value. These results are then compared to those using Ansoft HFSS. All results are in great agreement. Significantly it avoids the singularity in low frequency of finite element. Additionally,in this paper it is shown that several parameters may influence the simulation values,such as mesh size,radius of sphere and the thickness of infinite element. The results thus obtained may be useful in parameters setting for finite element simulation.
【CateGory Index】: TN828.6
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