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GPSの測位精度-7 : 陸上定点における測定(2)
http://hdl.handle.net/10069/29885
http://hdl.handle.net/10069/298859c0cf2ec-56af-4d64-8898-f649fdbb350d
名前 / ファイル | ライセンス | アクション |
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suisan69_043.pdf (429.1 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2012-11-29 | |||||
タイトル | ||||||
タイトル | GPSの測位精度-7 : 陸上定点における測定(2) | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | GPS | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | global positioning system | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 測位可能時間 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | usable time | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 測位精度 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | accuracy of position fixes | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 選択利用性 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | selective availability | |||||
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× 久野, 俊行× 中根, 重勝 |
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著者別名 | ||||||
姓名 | Goda, Masaji | |||||
著者別名 | ||||||
姓名 | Kuno, Toshiyuki | |||||
著者別名 | ||||||
姓名 | Nakane, Shigekatu | |||||
その他のタイトル | ||||||
その他のタイトル | Accuracies of Position Fixes Obtained by GPS―VII The Observation at a Fixed Station on the Land (2) | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In recent years, the number of GPS satellites has been increasing, and this system became operational with 15 satellites in October, 1990. In addition, its selective availability has been possible since March 25th, 1990. Thus, we measured the usable time and got position fixes from our fixed station at Nagasaki University in order to evaluate the positioning accuracy for three days in each of September and October, 1990. The usable time was about 19 and a half hours, which was two times longer than that with 6 satellites. Especially, position fixes of 3D (three-dimensional positioning) occupied 12 hours of the usable time. Despite the selective availability, standard deviations of D. lat (difference of latitude) and Dep (departure) were kept less than 20 meters due to increasing high level measurements, and the maximum positioning errors were 60~65 meters. We may conclude that the accuracy of this system has been improved because the standard deviation became so small as to be under 20 meters. | |||||
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 69, p. 43-48, 発行日 1991-03 |
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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 | 40002770902 | |||||
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.69, pp.43-48; 1991 |