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In this paper, a novel mushroom antenna with high gain using three dimensional printing (3D printing) is proposed. The proposed antenna is comprised of the circular microstrip patch antenna and the mushroom lens by using 3D printing (the mushroom lens include the hemispherical mushroom hairstyle lens and the bowl shaped mushroom stalk). And the cambered internal surface of the bowl shaped mushroom...
In this paper, a novel resonant quadrifilar helical antenna for satellite communication application is presented. The antenna behaves wide beamwidth, circular polarization and high gain. Numerical simulations show that the two short arms are main factors which influence the gain of this kind of antenna. The model antenna designed working at center frequency of 1.995 GHz and 2.185 GHz characterizes:...
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