GNSS掩星探测大气的研究现状及进展 |
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作者单位: | 淮海工学院测绘工程学院,武汉大学卫星导航定位技术研究中心 |
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摘 要: | 与传统的无线电探空、雷达探测等手段相比,GNSS掩星技术为大气探测提供了一个强有力的工具,其具有无校准、全天候、精度高、垂直分辨率高、全球均匀覆盖等特点。介绍了利用GNSS掩星技术获取地球大气温、压、湿等相关参数大小的研究现状。同时,提出了GNSS掩星技术在气候研究领域的发展方向,将拓宽GNSS掩星技术在全球气候变化研究中的应用。
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关 键 词: | GNSS 掩星技术 大气探测 雷达 |
Actuality and Developments of GNSS RO in Atmospheric Sounding |
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Authors: | JIAO Ming-lian JIANG Ting-chen |
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Institution: | JIAO Ming-lian1,JIANG Ting-chen1,2 |
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Abstract: | Compared to traditional radiosonde and radar probing,the Global Navigation Satellite System radio occultation(GNSS RO) was a powerful tool for atmospheric sounding,which had many traits such as no calibration,all-weather,almost uniform global coverage,high precision and vertical resolution.In this paper,introduction was presented of how investigative information of atmosphere parameters like temperature,air pressure and humidity was obtained by making use of GNSS RO technique.At the same time,development direction of GNSS RO in the weather domain was put forward,undoubtedly,it would boost up use of GNSS RO technique for global climate. |
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Keywords: | Global Navigation Satellite System radio occultation technique atmospheric sounding radar |
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