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宽巷组合下的cGNSS-R测高算法 被引量:2

An Algorithm for cGNSS-R Altimetry Based on the Wide-lane Combination
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摘要 传统的GNSS反射信号(c GNSS-R)测量湖面和海面的高度具有较高的时空分辨率,因此可以作为验潮站使用,它是一种监测海洋潮汐及海平面变化的新手段。本文提出了一种基于L1-L2宽巷观测量组合的GNSS-R测高新算法。该算法的优点是:利用宽巷的方法可以用码与相位的双频观测值来快速确立需求的整周模糊度。为验证该方法,在武汉市东湖清河桥上做了试验,并利用所得观测量,按照该新算法解算了接收机到湖面的高度。通过试验分析,RMS显示其精度可以达2~3 cm。
出处 《测绘通报》 CSCD 北大核心 2016年第8期6-9,共4页 Bulletin of Surveying and Mapping
基金 国家自然科学基金(41321063 41274050 41374021)
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