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A Positioning Accuracy of DGPS and the Application to the Fisheries

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  • DGPSの測位精度に関する研究と漁業分野への応用
  • 〔日本水産工学会〕学会賞受賞講演 DGPSの測位精度に関する研究と漁業分野への応用
  • ニホン スイサン コウガッカイ ガッカイショウ ジュショウ コウエン DGPS ノ ソクイ セイド ニ カンスル ケンキュウ ト ギョギョウ ブンヤ エ ノ オウヨウ

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GPS has become an indispensable tool in fishery by fishing boat recently. A positioning accuracy (horizontal deviation: 2DRMS) has been 15.9m by SGPS and 4.5〜6m by DGPS in case of HDOP is 1.5 after cancellation of selective availability (SA). The positioning accuracy improved 10 times as compared with after GPS started. Although GPS is such a convenient tool, the main usages of fishery are safety navigation and search of fishing point. In this paper show that a possibility of the application to the monitoring of a movement of fishing gear and the management fishery by DGPS.


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