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GPSの側位精度-1 : 陸上定点における測定
http://hdl.handle.net/10069/30291
http://hdl.handle.net/10069/30291ce7882e5-8dc5-46a6-86b0-06f8a5952836
名前 / ファイル | ライセンス | アクション |
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suisan62_033.pdf (593.4 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2013-01-21 | |||||
タイトル | ||||||
タイトル | GPSの側位精度-1 : 陸上定点における測定 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 側位時間 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | usable time | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 2次元側位 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | two-dimensional positioning | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 3次元側位 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | three-dimensional positioning | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | PDOP | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | position dilution of precision | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 衛星の組み合わせ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | combination of satellites | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者 |
合田, 政次
× 合田, 政次× 中根, 重勝× 久野, 俊行 |
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著者別名 | ||||||
姓名 | Goda, Masaji | |||||
著者別名 | ||||||
姓名 | Nakane, Shigekatsu | |||||
著者別名 | ||||||
姓名 | Kuno, Toshiyuki | |||||
その他のタイトル | ||||||
その他のタイトル | Accuracies of Position Fixes Obtained by GPS―I The Oservation at a Fixed Station on the Land | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The United States has been developing a GPS (Global Positioning System), and now We can make use of it too in Japan but the usable time is limited due to the incompleteness of the system. We measured the usable time and took position fixes from our fixed station at Nagasaki in order to evaluate the positioning accuracy for about one month in Dec. 1986. We received positioning signals from 6 satellites. The usable time at this station was about 6.5 hours of which high level positioning accounted for 45% in the first half of the month but only 17% in the latter half. The positioning errors of 3H (three-dimensional high level positioning) ,3M (three-dimensional middle level positioning) and 2H (two-dimensional high level positioning) were smaller than 100 meters. Even the positioning error of 2L (two-dimensional low level positioning), which was largest, was only about 181 meters (0.1 nautical mile). From the practical standpoint, 2L is sufficiently accurate to be used for the positioning of an ordinary ship sailing normally. Until the system is completed,if we use not only high level but also middle and low level, we will be able to prolong the usable time. We measured the positioning signal at ten-minute intervals, so data were not as full as possible, and the evaluation of the positioning accuracy by combination of satellites was limited to only partial combinations.The positioning accuracy by combination of satellites (3・6・9・11) in the case of 3H and combination of satellites (3・11・13) on 2H and 2M was good by comparison with other combinations and these combinations had long usable times. | |||||
書誌情報 |
長崎大学水産学部研究報告 en : Bulletin of the Faculty of Fisheries, Nagasaki University 巻 62, p. 33-40, 発行日 1987-11 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 05471427 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00178473 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
論文ID(NAID) | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | NAID | |||||
関連識別子 | 40002770850 | |||||
出版者 | ||||||
出版者 | 長崎大学水産学部 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 長崎大学水産学部研究報告, v.62, pp.33-40; 1987 |