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논문 기본 정보

자료유형
학술저널
저자정보
Lee, Don-Shin (High Gain Antenna Co., LTD.) Kim, Chang-Sik (High Gain Antenna Co., LTD.) Lee, Byung-Kap (High Gain Antenna Co., LTD.)
저널정보
통신위성우주산업연구회 Joint Conference on Satellite Communications Joint Conference on Satellite Communications 2004년
발행연도
2004.1
수록면
131 - 138 (8page)

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This paper presents a VSAT (Very Small Aperture Terminal) antenna design for Intelsat Type Approval at C and Ku bands. In general, most satellite owners want to perform their satellites without interference. Intelsat regulates some antenna parameters such as first sidelobe, cross polarization, axial ratio, envelope lines etc. for operating both up and down links. High Gain Antenna Company (HGA) has achieved to develop and to manufacture a 1.8m parabolic axi-symmetric offset reflector which is composed by SMC (Sheet Molding Compounds) with good RMS as well as a mesh screen imbedded. The C band RF feed is a wide band circular polarized system (3.625-6.425 GHz) meeting requirements. Also, the Ku-band (10.95-14.50 GHz) feed meets specifications for Type Approval. The paper describes the qualified reflector and feed system designs, RF bench test results and antenna radiation patterns with goof performance. Prior to the entrance of the world commercial market, HGA has tried to improve antenna performance for the CSAT application. In addition, mechanical support structure for pointing a satellite on axis is efficiently designed for low cost, lightweight, longer duration, etc. For convenience of installation, each component of the antenna system reduces number of pieces of parts and the antenna package includes a tooling set to mount a feed horn on the right focus point.

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