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- W2944340644 abstract "There are presently two Global Navigation Satellite System core system namely GlobalPositioning System (GPS) and Differential Global Positioning System (DGPS). Thedependency on these space-based technology for navigation, positioning and timing ison the growth globally, and already be the essential system worldwide. The presentservice of GPS has motivate the acceptance and integration of the technology intopeaceful civil, commercial and scientific application worldwide. Issues such asintegrity, accuracy, availability and continuity are not adequately addressed. Lacking ofthese requirement may lead to occurrence of catastrophes. While in hydrographysurvey, positioning is a crucial part where it is determine the actual position based onseabed of the survey area. Where according to International Hydrographic Organization(IHO), the standard accuraey for positioning in survey work is two (2) meter aecuracylevel. In order to ensure which positioning method that best suit hydrographicpositioning accordance to the tolerance given by IHO, this paper study about thedifference accuracy of positioning based on different source and analyse the accuraeybetween Standalone GPS and Radio Beacons DGPS observation. Observation betweenthese two methods is done by using dynamic mode to imitate the motion of a vessel.Two observation being done for both method on the same sounding line and outcomecoordinate from both method were compared to each other and also compared withsounding line. Displacement value from these method will be analyse using statisticalanalysis by method Root Mean Square Error (RMSE) to define which method has agood accuracy. The result of dynamic observation for the two (2) method show that thedisplacement of Radio Beacons DGPS method is lower that Standalone GPS methodcompared to sounding line where the displacement is below one (1) meter and accordingto IHO, the accuracy of DGPS based on radio beacons for this study is significant at the95% confidence level because the RMSE is below that two (2) meter. The outcomeform this study show that Radio Beacon DGPS is more accurate compared toStandalone GPS even the observation was on the ground surface and long baseline." @default.
- W2944340644 created "2019-05-16" @default.
- W2944340644 creator A5037903164 @default.
- W2944340644 date "2019-03-21" @default.
- W2944340644 modified "2023-09-27" @default.
- W2944340644 title "Comparison accuracy between standalone global positioning system [GPS] and differential global positioning system [DGPS] based on radio beacon in hydrography surveying / Muhammad Fahmi Ismail" @default.
- W2944340644 hasPublicationYear "2019" @default.
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