講演名 2003/10/17
Applying of Real-Time Orbit Determination Technique to Time Dissemination Service via Geostationary Satellite(System Engineerint-III)
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抄録(和)
抄録(英) We examined the applying of real-time orbit determination method to time dissemination service via geo-stationary satellite. Actually, the geostationary satellite based time dissemination service have been researched in many countries. Also, the trilateration measuring and differential correction technique are generalized. In this paper, we are going to introduce about the time dissemination technique research in KARI. We are developing the time dissemination experiment software, and the real-time orbit determination method was adopted. We expect that the real-time orbit determination method can reduce the predicted satellite position error, which is the one of the main error reason. And we use the time dissemination signal itself as the range data. So, the additional measurements like antenna angle or phase shift of ranging tone are not need, which were measured only by the ground station of each satellite. In this paper, we will introduce the simulated output of real-time orbit determination and the concept of time dissemination service technique in KARI. The developing method will be tested via KOREASAT-2 on April, 2004.
キーワード(和)
キーワード(英) Time Dissemination / Geostationary Satellite / Real-Time Orbit Determination
資料番号 SAT2003-128
発行日

研究会情報
研究会 SAT
開催期間 2003/10/17(から1日開催)
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委員長氏名(和)
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副委員長氏名(和)
副委員長氏名(英)
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講演論文情報詳細
申込み研究会 Satellite Telecommunications (SAT)
本文の言語 ENG
タイトル(和)
サブタイトル(和)
タイトル(英) Applying of Real-Time Orbit Determination Technique to Time Dissemination Service via Geostationary Satellite(System Engineerint-III)
サブタイトル(和)
キーワード(1)(和/英) / Time Dissemination
第 1 著者 氏名(和/英) / Bang-Yeop Kim
第 1 著者 所属(和/英)
Communication Satellite Systems Department, Korea Aerospace Research Institute
発表年月日 2003/10/17
資料番号 SAT2003-128
巻番号(vol) vol.103
号番号(no) 386
ページ範囲 pp.-
ページ数 9
発行日