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Automatic Correction of Cycle Slips in Differential GPS Positioning
Author(s): 
Pages: 43-45,56
Year: Issue:  2
Journal: Geotechnical Investigation & Surveying

Keyword:  GPS 周跳 相对定位;
Abstract: 周跳的探测一直是GPS高精度定位的研究热点。特别对于动态相对定位,若整周模糊度初始化过程中载波相位观测值发生周跳,将严重影响整周模糊度的确定。本文通过分析组合载波相位观测值和伪距观测值的特性,提出了一种利用基于相对定位中的双频周跳自动改正方法。通过对静态和动态实测数据的分析,证明了该方法能有效探测并修复周跳。
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