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- W4320912152 abstract "分别以GPS单系统和融合BDS, GPS, GLONASS 三系统两种方案, 采用载波相位平滑 伪距观测值和球谐函数, 构建了全球电离层延迟模型并进行了对比和分析. 本文以GPS单系统和融合三系统两种方法反演了2014年1月每日电离层变化过程, 解算得出了频间偏差的月综合产品, 并对结果进行了对比和分析. 事实上, 三系统融合不仅增加了可观测的卫星数, 而且改善了穿刺点的几何分布. 分析结果表明, 三系统融合反演全球电离层在精度上优于GPS 单系统, 均有5~10TECU的提高. 计算得到的频间偏差结果显示, GPS优于GLONASS, BDS稳定性则较次之." @default.
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- W4320912152 date "2015-01-01" @default.
- W4320912152 modified "2023-09-27" @default.
- W4320912152 title "Characteristics of Multi-GNSS Global Gonospheric Godeling and Gnalysis of the Accuracy" @default.
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- W4320912152 doi "https://doi.org/10.11728/cjss2015.03.306" @default.
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