GNSS-R信噪比信号在海面测高技术的研究综述  

A summary of research on GNSS-R signal-to-noise ratio signal height measurement technology on the sea

作　　者：胡媛[1] 钟李程 陈行杨 顾旺旺 刘卫[2] HU Yuan;ZHONG Licheng;CHEN Xingyang;GU Wangwang;LIU Wei(College of Engineering,Shanghai Ocean University,Shanghai 201306,China;Merchant Marine College,Shanghai Maritime University,Shanghai 200135,China)

机构地区：[1]上海海洋大学工程学院上海,201306 [2]上海海事大学商船学院上海,200135

出　　处：《全球定位系统》2021年第4期1-7,共7页Gnss World of China

基　　金：国家自然科学基金(52071199);上海市自然科学基金(19ZR1422800,18ZR1417100);上海市浦江人才计划(18ZR1417100)。

摘　　要：自全球卫星导航反射信号(GNSS-R)概念提出以来,GNSS-R被广泛应用于遥感方面.如海面测高,海面风场反演,海冰检测等多个方面.文中主要介绍了GNSS-R遥感技术在海面测高的应用和研究进展,着重介绍了基于信噪比(SNR)数据测量方法的研究进展,简述了SNR数据测量方法所涉及的理论和信号处理的办法,并根据现有的研究进展,对未来海面测高的发展方向进行展望.Since the concept of Global Navigation Satellite Reflected Signal(GNSS-R)was proposed,GNSS-R has been widely used in remote sensing,and has been used in sea surface height measurement,sea surface wind field inversion,sea ice detection and other aspects.This article mainly introduces the application and research progress of GNSS-R remote sensing technology in sea surface height measurement.Highlights the research progress based on signal-to-noise(SNR)ratio data measurement methods,and briefly describes the theory and signal processing methods involved in SNR ratio data measurement methods and according to the current research progress.The future development direction of sea surface altimetry is prospected.

关 键 词：全球卫星导航系统(GNSS) 全球卫星导航反射信号 (GNSS-R) 海面测高 信噪比(SNR) 海面遥感 

分 类 号：P228.4[天文地球—大地测量学与测量工程] P731.23[天文地球—测绘科学与技术]