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Optimum Design of an SAR Satellite Constellation Considering the Revisit Time Using a Genetic Algorithm

논문 기본 정보

저자정보
(Seoul National University) (Defense Industry Technology Center) (Seoul National University) (Seoul National University) (LIG Nex1 Co., Ltd.)
저널정보
한국항공우주학회 International Journal of Aeronautical and Space Sciences International Journal of Aeronautical and Space Sciences Volume.18 Number.2
발행연도
수록면
334 - 343 (10page)
DOI
10.5139/IJASS.2017.18.2.334
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피인용 2

Optimum Design of an SAR Satellite Constellation Considering the Revisit Time Using a Genetic Algorithm
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    초록·키워드

    The optimum design of an SAR (Synthetic Aperture Radar) satellite constellation is developed herein using a genetic algorithm. The performance of Earth observations using a satellite constellation can be improved by minimizing the maximum revisit time. Classical orbit design using analytic methods has limitations when addressing orbit dynamics due to various disturbances. To overcome this issue, an optimization technique based on a genetic algorithm is used. STK (Systems Tool Kit) is utilized to propagate the satellite orbit when considering external disturbances, and the maximum revisit time on the earth observation area is calculated. By minimizing the performance index using a genetic algorithm, the optimum orbit of the satellite constellation is designed. Numerical results are provided to demonstrate the performance of the proposed method.

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      UCI(KEPA) : I410-ECN-0101-2018-558-001015796