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Effects of Different Troposphere Correction Models on GPS Positioning
Author(s): 
Pages: 9-11,64
Year: Issue:  4
Journal:  Bulletin of Surveying and Mapping

Keyword:  全球定位系统 对流层延迟 模型改正 天顶延迟 映射函数;
Abstract: 对流层延迟是GPS测量的主要误差源之一,低高度角卫星的对流层延迟影响更为严重。介绍对流层延迟对GPS信号的影响和改正方法,分析现有对流层模型的优缺点和适用范围。通过试验比较各模型在不同高度角范围的改正效果,及其对GPS定位精度的影响,得到一些有益的结论。
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