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Towerd Method to Find The Elevations of Points to Creat Digital Elevations Model (DEM) Using Global Positioning System(GPS) | ||
| Engineering and Technology Journal | ||
| Article 1, Volume 27, Issue 1, 2009, Pages 21-25 PDF (221.92 K) | ||
| DOI: 10.30684/etj.27.1.18 | ||
| Authors | ||
| Safaa Jassim. Mohammed; Salah Yousif. Abood | ||
| Abstract | ||
| In this present research mathematical model is built , this model has the ability of using global positioning system (G.P.S) to compute the elevations with high accuracy to use in mapping contour lines with contour interval 1m applied in fabricating digital elevation model (DEM). Certain spot height are chosen by means of universal standard, the measurements are mathematically analyzed using general equations in geodesy to obtain acceptable accuracy to all engineering works . | ||
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