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This study presents a novel model for understanding the radiation phenomena and calculating the radiation pattern properties of uniform and phase-gradient partially reflective surface (PRS) antennas. This model is extracted for one- and two-dimensional antennas using array theory along with the dispersion analysis of the unit cells. The model can calculate the main lobe radiation pattern, scan angle...
In this work, a CPW fed 3D folded slot antenna with a horizontally polarized Omni directional rational pattern at azimuth plane has been analyzed, designed and fabricated. A multi wavelength annular loop slot antenna is wrapped around a cube and excited by a CPW line to achieve an omnidirectional pattern with gain of 0dBi at azimuth plane. The cubic architecture with edge length of 38mm is fully 3D...
In this article, a bidirectional RHCP antenna has been presented for the L-band. The antenna is composed of a monopole slot antenna and Jerusalem slot frequency selective surface (FSS). Overall width of the antenna is less than λ and the thickness is less than λ/10.
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