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The Application of MoM-CGM-FFT to Two-dimensional EM Scattering

ZHang Chenxin; Hong Wei; Chen Yiyuan; Qi Yihong; Wang Jiqin(Southeast University,State Key Laboratory of Millimeter Waves,Nanjing 210018)  
A mixed technique of moment method(MoM),conjugate gradient method(CGM) and fast Fourier transform(FFT) is presented to deal with the electromagnetic scattering of cylinders,which have arbitrary cross-sections and are composed of conductor or inhomogeneors dielectric. This methed is based on collocation technique in which eqnivalent current is considered as unknown function. CGM and FFT technique are used for reducing storage and CPU time, therefore electrically large cylinders of abitrary cross-sections and imhomogeneous permittivity can be handled simply and effectively. The numerical results for dielectric rectangular cylinder,circular and conducting cylinder are in agreement with classic results or results given in other papers.
【CateGory Index】: TN011
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