全球导航卫星系统反射测量(GNSS+R)最新进展与应用前景

金双根; 张勤耘; 钱晓东

doi:10.11947/j.AGCS.2017.20170282

测绘学报 >

2017 , Vol. 46 >Issue 10: 1389 - 1398

DOI: https://doi.org/10.11947/j.AGCS.2017.20170282

大地测量学与导航

全球导航卫星系统反射测量(GNSS+R)最新进展与应用前景

金双根 ,
张勤耘 ,
钱晓东

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1. 中国科学院上海天文台, 上海 200030;
2. 上海大学通信与信息工程学院, 上海 200444;
3. 中国科学院大学, 北京 100049

金双根(1974-),男,博士,研究员,研究方向为卫星导航与空间大地测量。E-mail:sgjin@shao.ac.cn

收稿日期: 2017-05-20

修回日期: 2017-09-01

网络出版日期: 2017-10-26

基金资助

国家自然科学基金（11373059）

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New Progress and Application Prospects of Global Navigation Satellite System Reflectometry (GNSS+R)

JIN Shuanggen ,
ZHANG Qinyun ,
QIAN Xiaodong

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1. Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China;
2. School of Communication and Information Engineering, Shanghai University, Shanghai 200444, China;
3. University of Chinese Academy of Sciences, Beijing 100049, China

Received date: 2017-05-20

Revised date: 2017-09-01

Online published: 2017-10-26

Supported by

The National Natural Science Foundation of China (No. 11373059)

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摘要

全球导航卫星系统（GNSS）具有全天候、近实时、高精度的特点，可持续发射L波段信号，广泛应用于定位、导航和授时（PNT）。随着GNSS技术的发展，最近GNSS反射信号可探测地球表面特征，即GNSS反射测量（GNSS+R）。结合GNSS接收机天线位置和介质信息，利用延迟测量值可以确定表面粗糙度和表面特性。GNSS+R作为当前GNSS和遥感领域的研究热点，取得了一些研究进展和成果。本文详细介绍了GNSS+R原理和方法及其最新应用进展，包括各种GNSS+R技术手段和方法，以及海洋、陆地、水文、植被和冰雪等遥感应用，特别是最新BeiDou-R和TDS-1研究进展。最后给出了GNSS+R应用前景和展望，包括多GNSS系统、GNSS+R接收机、GNSS+R卫星计划和新兴应用等。

关键词： GNSS; 多路径; 反射测量; 环境遥感

本文引用格式

金双根 , 张勤耘 , 钱晓东 . 全球导航卫星系统反射测量(GNSS+R)最新进展与应用前景[J]. 测绘学报, 2017 , 46(10) : 1389 -1398 . DOI: 10.11947/j.AGCS.2017.20170282

Abstract

The Global Navigation Satellite System (GNSS) has the characteristics with all-weather, near real-time and high precision observations. It can transmit L band signals continuously, which has been widely used in positioning, navigation and timing (PNT). With the development of GNSS technology, recently GNSS reflected signals can be used to detect Earth's surface characteristics, i.e., GNSS reflectometry (GNSS+R). Combined with GNSS receiver antenna position and medium information, surface roughness and characteristics can be determined by using delay measurements. As a hotspot in GNSS and remote sensing field, GNSS+R has achieved a number of progress and results. In this paper, the principles and methods of GNSS+R are presented as well as their latest advances, including various techniques, methods and remote sensing applications in the ocean, land, hydrological, vegetation and ice and snow, especially the latest progresses in BeiDou-R and TDS-1 GNSS+R. Finally, the future applications and prospective of GNSS+R are given, including multi-GNSS system, new GNSS-R receivers, GNSS+R missions and emerging applications.

Key words： GNSS; multipath; reflectometry; environment remote sensing

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