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Electromagnetic bandgap (EBG) material is applied in the design of reflectarray, hoping that the surface-waves could be suppressed by the frequency bandgap, and therefore, the mutual couplings between different elements in the reflectarray could be greatly reduced. To testify the benefits of the importing EBG, the phase adjusting characteristics of the array element with slots on the ground as well...
A compact 2-D marching-on-in-order method combined with the complex variable technique is applied to extract accurate attenuation constant of lossy transmission lines. In the time domain, the weighted Laguerre polynomials and the Galerkin temporal testing procedure are adopted to construct the marching-on-in-order equations. Moreover, it is computationally much more efficient than conventional FDTD...
An unconditionally stable time-domain method with reduced grid size is proposed to deal with Maxwell's differential equations. The proposed method uses Yee's finite difference scheme in the space domain, and expands electromagnetic fields in a series of basis functions and treats them in a moment method procedure in the time domain. We use triangle basis functions and Galerkin's testing procedure...
A compact circular patch lowpass filter using the slow-wave resonator is proposed in this paper. The filter has the advantages of compact size, easy fabrication, low insertion loss in the passband, high level and wide rejection in the stopband. Both electromagnetic (EM) simulation results and equivalent circuit are presented. The proposed filter is expected to be desirable in microwave system applications
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