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49204000.pdf7.37 MB
titleA comparative evaluation of high-elevation angle orbits for medical applications
Other TitleA comparative evaluation of high-elevation angle orbits for medical applications
Author(jpn)河本 聡美; Olsthoorn, Mark F.; 中島 厚
Author(eng)Kawamoto, Satomi; Olsthoorn, Mark F.; Nakajima, Atsushi
Author Affiliation(jpn)宇宙航空研究開発機構 総合技術研究本部; Delft University of Technology; 宇宙航空研究開発機構 総合技術研究本部
Author Affiliation(eng)Japan Aerospace Exploration Agency Institute of Aerospace Technology; Delft University of Technology; Japan Aerospace Exploration Agency Institute of Aerospace Technology
Issue Date2006-02-03
PublisherJapan Aerospace Exploration Agency (JAXA)
Publication date2006-02-03
AbstractThe Japan Aerospace Exploration Agency, JAXA (formerly National Aerospace Laboratory of Japan, NAL) has been studying the possibility of remote medical treatment using communication satellites. To transmit stable, high-bit-rate movies and precise images of a patient from an ambulance via satellite during transportation to a medical center, a high satellite elevation angle is required in order to avoid shadowing from high buildings. A number of satellite constellations can be proposed for such a system, consisting of three or more satellites. In this paper, several types of orbits such as 24-hour orbits, figure-eight orbits, Tundra orbits, 16-hour orbits, 12-hour orbits, Molniya orbits, or other interesting orbits are compared by considering coverage duration, the required number of satellites, perturbations, link budgets, launch costs, and so on.
DescriptionJAXA Research and Development Memorandum
Keywordssatellite orbit; twenty-four hour orbit; figure-eight orbit; high elevation angle orbit; orbit perturbation; communication satellite; eccentricity; perigee; visible period; communication link; satellite constellation; ground track; 衛星軌道; 24時間軌道; 8の字軌道; 高仰角軌道; 軌道擾乱; 通信衛星; 離心率; 近地点; 可視期間; 通信リンク; 衛星コンステレーション; 地表面軌跡
Document TypeTechnical Report
JAXA Category研究開発資料
Report NoJAXA-RM-05-004E

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