2008, Volume 10, Issue 11
Strategic Study of CAE >> 2008, Volume 10, Issue 11
Design and implementation of pharos information system along Yangtse River
1. Electronic and Information Department, Fujian Normal University, Fuzhou 50007, China;
2. Changjiang Waterway Bureau, Wuhan 430010, China;
3. School of Resource and Environmental Science, Wuhan University, Wuhan 430079, China;
4. Fujian Minyou Digital Information Company Ltd.,Fuzhou 350003, China
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Abstract
A remote terminal unit of pharos monitor system based on double MCUs is developed to lower its power cost down to 30 mA/4 V. Multi-buffer and multi-class are used to deal with pharos's data. RTCM is transferred through GPRS VPN to improve accuracy of GPS up to 0.9 m. The extended GIS based on S-57 is the platform for users. The system has been running in the Three Gorges along Yangtse River for almost 4 years, and it still works well.
Keywords
the Three Gorges ; pharos monitor ; double MCUs architecture ; S-57 ; DGPS
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