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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국해양공학회 한국해양공학회지 한국해양공학회지 제17권 제3호
발행연도
2003.6
수록면
13 - 20 (8page)

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This research aims at investigation of accuracy potential of RTK(Real-Time Kinematic) GPS in combination with Echo Sounder(E/S) for the coastal mapping. Apart from this purpose, the accuracy of ambiguity resolution with the OTF(On The Fly) method was tested with respect to the initialization time. The result shows that the accuracy is better than 1㎝ with 5-minute initialization in the distance of 10㎞ baseline. The seaside topography was measured by the RTK GPS only, on the other hand the seafloor topography was surveyed in combination of RTK GPS and E/S. Comparing to the volume of seaside measured by RTK GPS and digital topographical map, the difference of only 2% was achieved. This indicates that the coastal mapping. As a result, it has been revealed that every possible noise in surveying could be corrected and the accuracy could be improved. The accuracy of GPS data acquired in real time was as good as that acquired by post processing. It is expected that it will be useful for the analysis of coastal geographic characteristics because DTM(Digital Terrain Model) can be also constructed for the harbor reclamation, the dredging, and the variation of soil movement in a river.

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ABSTRACT
1. Introduction
2. RTK GPS
3. Principle of Echo Sounding and Correction of Water Depth
4. Analysis of the GPS initialization for the ambiguity Resolution
5. Topography analysis
6. Analysis and Discussion
7. Concluding Remarks
8. Acknowledgement
References

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UCI(KEPA) : I410-ECN-0101-2009-559-015529992