Analysis on the Height Measurement of GPS
Chen Xiaowu
Abstract
Chen Xiaowu
Abstract
Through analysis on the principle of GPS height measurement,we introduce common method of GPS height measurement,base on different network of GPS control survey grid,we obtain two mainly methods of elevation model fitting,polynomial curve fitting and polynomial surface fitting,and propose the main measurements and methods to improve accuracy of GPS height measurement.
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Through analysis on the principle of GPS height measurement,we introduce common method of GPS height measurement,base on different network of GPS control survey grid,we obtain two mainly methods of elevation model fitting,polynomial curve fitting and polynomial surface fitting,and propose the main measurements and methods to improve accuracy of GPS height measurement.
Key concepts: Global Positioning System, Elevation (ballistics), Geodesy, Polynomial, Polynomial and rational function modeling, Curve fitting, Base (topology), Control network