DSpace university logo mark
Advanced Search
Japanese | English 

NAOSITE : Nagasaki University's Academic Output SITE > Faculty of Fisheries > Bulletin > Bulletin of the Faculty of Fisheries > 第65号 >

GPSの測位精度-4 : 三定点における測定


File Description SizeFormat
suisan65_045.pdf579.92 kBAdobe PDFView/Open

Title: GPSの測位精度-4 : 三定点における測定
Other Titles: Accuracies of Position Fixes Obtained by GPS―IV : The Observation at Three Fixed Stations
Authors: 合田, 政次 / 久野, 俊行 / 中根, 重勝 / 趙, 乙済
Authors (alternative): Goda, Masaji / Kuno, Toshiyuki / Nakane, Shigekatu / Jo, Eul Je
Issue Date: Mar-1989
Publisher: 長崎大学水産学部
Citation: 長崎大学水産学部研究報告, v.65, pp.45-53; 1989
Abstract: We measured the usable time and took position fixes from three fixed stations in our country in order to evaluate the positioning accuracy of GPS, first, by the difference in the time of the year and, second, by the difference in location between the stations. In the case of the former, the time zone of position fixes varied with the time of the year and there were a little differences of the accuracies of position fixes except 3H (three-dimensional high level positioning). In the case of the latter, there were not obvious locality differences in 3D (three-dimensional positioning). But the positioning errors and number of data varied on each level in 2D (two-dimensional positioning), although the positioning errors were smaller than 0.1 nautical mile. The standard deviations of Dep. (departure) were larger than that of D.lat. (difference of latitude), and varied widely to the east and the west. But we observed that the standard deviations were smaller than 100 meters.
Keywords: GPS / global positioning system / 測位精度 / accuracy of position fixes / 地域差 / locality difference
URI: http://hdl.handle.net/10069/30130
ISSN: 05471427
Type: Departmental Bulletin Paper
Text Version: publisher
Appears in Collections:第65号

Citable URI : http://hdl.handle.net/10069/30130

All items in NAOSITE are protected by copyright, with all rights reserved.

 

Valid XHTML 1.0! Copyright © 2006-2015 Nagasaki University Library - Feedback Powerd by DSpace