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- W2068553423 abstract "This paper proposes a hybrid antenna with novel beam steering scheme. The antenna have a cassegrain structure composed of two reflectors. The main reflector is designed for high gain performance using parabola curvature, and the sub-reflector is plate and can be rotated by . Thus proposed antenna can steer a antenna beam using the inclination of sub-reflector. A feed array composed of 20 elements is adapted as a feeder for electrical beam steering, and the antenna can be possible to steer the beam by the feed array with sub-reflector. Proposed antenna was fabricated to be operated in Ka-band(30.08530.885 GHz) for TX and K-band(20.35521.155 GHz), which are the operation frequencies of the Korean satellite, Mugunhwa, to provide satellite multi-media service to vehicles. By the performance test, it can be known that the antenna has minimum gain of 47 dBi for TX and 44.4 dBi for TX and can steer the beam by with sub-reflector." @default.
- W2068553423 created "2016-06-24" @default.
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- W2068553423 date "2009-04-30" @default.
- W2068553423 modified "2023-09-26" @default.
- W2068553423 title "Reflector Based Mobile Satellite Antenna with Novel Beam Steering Scheme" @default.
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- W2068553423 doi "https://doi.org/10.5515/kjkiees.2009.20.4.344" @default.
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