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Composites material made form Carbon NanoTubes have attracted much interest as shielding materials. A new model for the full-wave simulation of the shielding effectiveness is presented. The full-wave evaluation of that effectiveness is also discussed.
This paper presents a wire antenna for multi-band WLAN application, designed using the Structure-Based Evolutionary Programming, and having a very simple geometry. The antenna has been analysed with NEC-2 during the evolutionary process, and the outcome of the procedure shows a very good performance, with a −10dB bandwidth that covers the required frequencies for multi-band WLAN applications (2.4/5...
We describe here a Vector Finite Difference approach to the evaluation of waveguide eigenvalues and modes. The VFD is applied using a 2D cartesian grid, in the waveguide section. A suitable Taylor expansion of the vector mode function, allows to take exactly into account the boundary condition for a large class of waveguide. The FD approximation results in a constrained eigenvalue problem, that we...
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