Mathematic model and performance comparison between ionosphere-free combined and uncombined precise point positioning

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Zhang, Xiaohong [1 ]
Zuo, Xiang [1 ]
Li, Pan [1 ]
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[1] School of Geodesy Geomatics, Wuhan University, 129 Luoyu Road, Wuhan 430079, China
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页码:561 / 565
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