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Latest Progress of Dynamic Mapping Functions and Its Application to GNSS Retrieved Water-Vapor
Author(s): 
Pages: 280-283
Year: Issue:  3
Journal: Geomatics and Information Science of Wunan University

Keyword:  动态映射函数地基GNSS气象数值天气模式GNSS信号方向湿延迟;
Abstract: 给出了基于欧洲中尺度数值预报中心(ECMWF)构建的高精度动态映射函数VMF1和GMF的研究进展及方法,对NMF、VMF1和GMF三种映射函数进行了时空分析,结舍实例分析了三种映射函数在GNSS遥感水汽中的应用.实验结果证实,动态映射函数VMF1和GMF较常规NMF函数具有更高的精度和全球覆盖性,且基于ECMWF构建的动态映射函数可以提高GNSS遥感水汽的精度.
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