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	The correction model of Tropospheric Delay of GPS Network RTK Considering Altitude Factors
	Qiu Lei; Li Lei; Liu Zhixiang; WANG Zemin; WANG Yunfeng
	2009
会议名称	2009 International Conference on Information Engineering and Computer Science, ICIECS 2009
英文摘要	In GPS network RTK, the tropospheric delay is a major error source. The troposheric delay of rove station is obtained through certain interpolation algorithm when the tropospheric delay of base stations is calculated. However, conventional interpolated algorithms depend on the plane, neglecting the altitude factors. And the traditional lay out of GPS reference stations should consider only the plane distribution without theconsideration of the altitude distribution. The paper firstly analyzes the variation tendency of the zenith tropospheric delay at stations along with elevation changes and the author submitted that for a larger relief area, the base station network layout should be laid in accordance with theterrain, not only to consider the plane-shaped structure, but also consider on the structure of GPS altitude graphics. A change to the Linear interpolation method (LIM) improve the accuracy of the interpolation algorithms better, either in a flat terrain or in the undulating terrain. And thepractical examples prove this conclusion.
收录类别	EI
语种	英语
内容类型	会议论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/2516]
专题	深圳先进技术研究院_集成所
作者单位	2009
推荐引用方式 GB/T 7714	Qiu Lei,Li Lei,Liu Zhixiang,et al. The correction model of Tropospheric Delay of GPS Network RTK Considering Altitude Factors[C]. 见:2009 International Conference on Information Engineering and Computer Science, ICIECS 2009.

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