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Issue:
Effects of Different Troposphere Correction Models on GPS Positioning
Author(s):
YANG Ling
,
LI Bofeng
,
LOU Lizhi
Pages:
9
-
11,64
Year:
2009
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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