| GNSS-R海面测高现状及其常用方法研究进展 |
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| 引用本文： | 胡媛,陈行杨,顾旺旺,钟李程,刘卫. GNSS-R海面测高现状及其常用方法研究进展[J]. 全球定位系统, 2020, 45(3): 96-103. DOI: DOI:10.13442/j.gnss.1008-9268.2020.03.017 |
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| 作者姓名： | 胡媛 陈行杨 顾旺旺 钟李程 刘卫 |
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| 作者单位： | 上海海洋大学工程学院 ,上海201306;上海海事大学商船学院 ,上海201306 |
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| 基金项目： | 上海市自然科学基金;上海市自然科学基金;上海市浦江人才计划 |
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| 摘 要： | 全球卫星导航系统(GNSS)不仅具有导航定位、测速以及授时等功能,且因其反射信号能被接收,可用于海面风场、海面高度反演,由此开辟了一个新的研究领域GNSS反射(GNSS-R)技术,GNSS-R技术用于海洋遥感是一个新的研究领域;文中主要介绍了GNSS-R遥感技术和海面测高的研究进展,并从基于信噪比(SNR)数据测量法、基于C/A码相位测量法、基于载波相位测量法及基于载波频率测量法等方面分析和总结了GNSS-R在海面高度测量的常用方法.
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| 关 键 词： | GNSS GNSS-R 海洋遥感 海面测高 信噪比 |
Research on GNSS-R sea surface altimetry status and common methods |
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| HU Yuan,CHEN Xingyang,GU Wangwang,ZHONG Licheng,LIU Wei. Research on GNSS-R sea surface altimetry status and common methods[J]. Gnss World of China, 2020, 45(3): 96-103. DOI: DOI:10.13442/j.gnss.1008-9268.2020.03.017 |
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| Authors: | HU Yuan CHEN Xingyang GU Wangwang ZHONG Licheng LIU Wei |
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| Affiliation: | 1.College of Engineering, Shanghai Ocean University, Shanghai 201306, China2.Merchant Marine College, Shanghai Maritime University, Shanghai 201306, China |
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| Abstract: | The Global Navigation Satellite System(GNSS)is not only used for navigation,positioning,speed measurement,and timing,etc.It can also be used for sea surface wind field and sea surface altitude retrieval since its reflected signals can also be received.Global Navigation Satellite System-Reflection(GNSS-R)is a new research area for marine remote sensing.The GNSS-R technology has many signal sources with wide coverage and stable long-term operation.This article mainly introduces the research progress of GNSS-R marine remote sensing technology and sea surface altimetry,and it ranges from signal-to-noise ratio(SNR)data measurement method,C/A code phase measurement method,carrier phase measurement method,and carrier-based measurement method.The common methods of GNSS-R in sea level measurement are analyed and summarized. |
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| Keywords: | GNSS GNSS-R marine remote sensing sea surface altimetry SNR |
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