講演名 | 2008-11-25 Some estimation on the error sources of the time comparison between a satellite and an earth station(WSANE 2008 (Workshop for Space, Aeronautical and Navigational Electronics)) , |
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抄録(和) | |
抄録(英) | National Institute of Information and Communications Technology (NICT) plans to construct time comparison system between a satellite, which is equipped with an atomic clock, and an earth station using TWSTFT (two way satellite time and frequency transfer). TWSTFT system can cancel most of the propagation delays such as ionospheric and tropospheric delays at same frequency and at a common path. However, when the frequencies of transmission and reception are different, ionospheric delay will be considerable. In addition, in case the satellite is non-geostationary, the position changes of the satellite should be considered. Some estimation of delays due to these error sources are carried out for highly-precise time comparison on the premise of using a quasi-zenith satellite (QZS). |
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キーワード(英) | Quasi-Zenith Satellite System / TWSTFT / ionosphere / time comparison |
資料番号 | SANE2008-70 |
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研究会情報 | |
研究会 | SANE |
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開催期間 | 2008/11/17(から1日開催) |
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講演論文情報詳細 | |
申込み研究会 | Space, Aeronautical and Navigational Electronics (SANE) |
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本文の言語 | ENG |
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タイトル(英) | Some estimation on the error sources of the time comparison between a satellite and an earth station(WSANE 2008 (Workshop for Space, Aeronautical and Navigational Electronics)) |
サブタイトル(和) | |
キーワード(1)(和/英) | / Quasi-Zenith Satellite System |
第 1 著者 氏名(和/英) | / Maho NAKAMURA |
第 1 著者 所属(和/英) | National Institute of Information and Communications Technology (NICT) |
発表年月日 | 2008-11-25 |
資料番号 | SANE2008-70 |
巻番号(vol) | vol.108 |
号番号(no) | 318 |
ページ範囲 | pp.- |
ページ数 | 4 |
発行日 |