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A light-weighted and electrically large-sized multi-beam cylindrical dielectric lens antenna is presented in this paper. The lens antenna is fed by an arc array with 10 E-shaped patch antennas. The cylindrical lens is made of foam plastics with a dielectric constant of 1.1, and composed of three layers. A lot of holes are loaded in each layer of the foam plastics, and the holes are filled with nylon...
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