基于DGPS精密定位技术的车载GPS高程测量研究

Research on Vehicle GPS Elevation Survey based on Difference Global Positioning System Technology

文中介绍了DGPS精密定位技术,对采用DGPS精密定位技术的车载GPS高程测量这一方法进行了研究。论述了该方法的测量精度,并将该方法应用于航测成图道路高程注记点测量并进行研究。结果表明:该方法高效可靠,精度良好,满足测图要求,可在相关领域推广使用。

In this paper,the author introduces DGPS precision positioning technology,researches Vehicle GPS elevation survey based on Difference Global Positioning System technology.The author discusses the accuracy of this method,and applies the method into road elevation annotation point survey of aerial survey.The application indicates that this method is reliable、effective and good accuracy which can meet the requirement of aerial survey and can be promoted in relative field.