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This paper compares sequential subarrays of dielectric resonator and patch antennas in terms of circular polarization and impedance bandwidths, and realized gain using hybrid ring feeding networks. Aperture coupled antenna is used as the basic structure.
In this paper, a band stop all-dielectric metamaterial frequency selective surface (FSS) is designed based on effective medium theory and dielectric resonator theory. The FSS is made of high-permittivity ceramics without using any metallic parts. The stop band FSS is composed of 2D arrays of Jerusalem cross-shaped ceramic resonators. Solid-state sintering method is adopted to prepare the high-permittivity...
We analysed the scattering of E-polarlized plane wave from a finite number of perfectly conducting, dielectric, and axially magnetized ferrite cylinders in the unified manner. The technique is based on the method of moments (MoM) with global basis functions and Galerkin approach. The surface impedance is extended so that the boundary condition is imposed at the surfaces of all of cylinders in the...
In this paper, a V-band low sidelobe and wideband series fed linear dielectric resonator antenna (DRA) array is proposed. Among many kinds of DRAs, the perforated rectangular dielectric resonator antenna (RDRA) is chosen as the antenna element in our design, which can enhance the impedance bandwidth by lowering down the quality factor. By optimizing the size of the slots and distance between adjacent...
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