电离层高阶项改正对我国陆态网测站坐标的影响

Journal of Geodesy and Geodynamics(2016)

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Abstract
通过不同的方案设计对中国陆态网测站进行解算,研究电离层高阶项延迟对测站坐标和接收机钟差的影响,并分析在不同地磁模型下的影响差异.结果表明,在太阳活动较为活跃时,电离层高阶项延迟对陆态网测站垂向坐标的影响能达到1.2 cm,对接收机钟差的影响接近4.4 mm;不同地磁模型下电离层高阶项延迟的影响很小.还分析了纬度、基线方向与长度对电离层高阶项延迟的影响.
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Key words
higher-order terms ionospheric delay,geomagnetic model,CMONOC,baseline
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