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南极GPS数据质量分析 被引量:8

ANALYSIS OF GPS DATA IN ANTARCTIC
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摘要 以多路径误差和电离层延迟为评价指标,利用TEQC软件和QCVIEW软件对南极埃默里冰架、内陆冰盖、纳拉峡海湾、拉斯曼丘陵的实测GPS数据以及部分IGS站点的数据进行了数据质量分析,得到结论:1)在同一站点上,L2上的多路径误差总比L1上的多路径误差要大;2)在南极不同环境下的多路径误差不同;3)纬度和太阳活动剧烈程度是影响南极地区GPS数据电离层延迟大小的两个重要因素。 The multipath error and the ionospheric delay are used as the evaluation indicators to analyze the GPS data of Amery Ice Shelf,ice sheet,Nella fjord,Larsemann Hills and some IGS stations in Antarctic.The following conclusions can be drawn.1)At the same site,the multipath error of L2 is always larger than L1.2)Multipath error differs from each other according to the different circumstances in Antarctic area.3)Different latitudes and intensity of solar activity are the two main factors which influence the ionospheric delay.
出处 《大地测量与地球动力学》 CSCD 北大核心 2011年第2期117-120,共4页 Journal of Geodesy and Geodynamics
基金 国家自然科学基金(40806076) 国家863计划重点项目(2008AA121702-5) 南极考察地区基础测绘项目(1469990324229)
关键词 TEQC 南极 GPS 多路径误差 电离层延迟 TEQC GPS Antarctic muhipath the ionospheric delay
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