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Abstrakty
User at the Inland Sea requires high position accuracy which is 5 m (2drms) or less. Therefore the position accuracy of standalone GPS is insufficiency. Consequently it needs to use DGPS for navigator sailing the Inland Sea. We executed numerical simulation of the propagation characteristic on the extended line of bridge pier at opposite side from DGPS station, and already confirmed that bit error in DGPS correction data signal occurs, and that correction data could not form by bit error. Furthermore, we carried out numerical simulation of the propagation characteristic of DGPS correction data signal received at sailing through center of the bridge, and solved receiving condition of DGPS correction data signal before and after passing through the bridge. In this paper, we executed to inspect mutually results of electric field intensity simulation for oversea and overland propagation on some sea area of the Inland Sea and measuring results of electric field intensity for DGPS correction data signal, and evaluated the possibility of abnormal propagation comprehensively.
Rocznik
Tom
Strony
549--554
Opis fizyczny
Bibliogr. 10 poz., rys., tab.
Bibliografia
- 1. Araki, T. 1977, Denji Bougai to Bousi Taisaku, Tokyo Denki University Press, 138‐139
- 2. Department of Defense, Department of Homeland Security and Department of Transportation: 2008 Federal Radionavigation Plan, 2008
- 3. Japan Coast Guard DGPS center, http://www. kaiho.mlit.go.jp/syoukai/soshiki/toudai/dgps/menu.htm
- 4. Kalafus, R. M., Dierendonck, A. J. VAN & Pealer, N. A. 1986, Special Committee 104 Recommendations for Differential GPS Service, The Institute of Navigation, Global Positioning System Volume III, 101‐116
- 5. Nishitani, Y. 1980, Hakuyou Denshi Kougaku Gairon, Seizann‐Do, 174‐175
- 6. Okuda, S. & Arai, Y. 2011. The Position Accuracy of DGPS Affected by the Propagation Characteristic on MF Beacon Wave, 2011 International Technical Meeting, 718‐724 January 24‐26
- 7. Okuda, S., Toba, M. & Arai, Y. 2012. The Propagation Characteristic of DGPS Correction Data Signal in Japan – Propagation Characteristic near Big Bridge ‐, 2012 International Technical Meeting,1383‐1389,January 29‐31
- 8. Shinji, M. 1992, Musen Tsuushin no Denpa Denpan, The Institute of Electronics, Information and Communication Engineers, 25‐49
- 9. Saito, Y. 1996, Digital Modulation Techniques for Wireless Communications, The Institute of Electronics, Information and Communication Engineers, 70‐107
- 10. Yagitani, S., Nagano, I., Tabata, T., Yamagata, K., Iwasaki, T. & Isamu Matsumoto, I. 2004, Nighttime Ionospheric Propagation of MF Radio Waves Used for DGPS – Comparison between Observation and Theory ‐, IEICE Transactions on Communications, Vol. J87‐B, No. 12, 2029‐2037
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-9452a357-660c-4c28-bcd1-74ce7eb09e1b