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http://dx.doi.org/10.5139/JKSAS.2014.42.7.601

Mechanism Modeling and Analysis of Deployable Satellite Antenna  

Lee, Seung-Yup (Agency for Defense Development)
Jeong, Suk-Yong (Agency for Defense Development)
Choi, Yoon-Hyuk (Agency for Defense Development)
Cho, Ki-Dae (Agency for Defense Development)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.42, no.7, 2014 , pp. 601-609 More about this Journal
Abstract
Large number of SAR(Synthetic Aperture Radar) satellites, one type of earth observation satellite, have been developed as they have the advantage of not being affected by surrounding environment during the earth image acquisition. In order to gain high image quality, SAR antenna should have large diameter. However, internal space of satellite launch vehicle is limited and this leads SAR antenna to be designed deployable so that it can be folded in launch vehicle and unfolded in space. In this research, values of various design factors of deployable satellite antenna were chosen considering satellite's target mission. Configuration of deployable satellite antenna was designed by applying the chosen values of design factors, and variation in deployable satellite antenna during satellite maneuver was observed through simulation.
Keywords
Deployable satellite antenna; SAR satellite;
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