Remote sensing and its applications using GNSS reflected signals: advances and prospects

被引:21
作者
Jin, Shuanggen [1 ,2 ]
Camps, Adriano [3 ]
Jia, Yan [4 ]
Wang, Feng [5 ]
Martin-Neira, Manuel [6 ]
Huang, Feixiong [7 ]
Yan, Qingyun [8 ]
Zhang, Shuangcheng [9 ]
Li, Zhongyu [10 ]
Edokossi, Komi [8 ]
Yang, Dongkai [5 ]
Xiao, Zhiyu [4 ]
Ma, Zhongmin [9 ]
Bai, Weihua [7 ]
机构
[1] Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
[2] Henan Polytech Univ, Sch Surveying & Land Informat Engn, Jiaozuo 454003, Peoples R China
[3] Tech Univ Catalonia, Dept Signal Theory & Commun, Barcelona 08034, Spain
[4] Nanjing Univ Posts & Telecommun, Dept Surveying & Geoinformat, Nanjing 210023, Peoples R China
[5] Beihang Univ, Sch Elect & Informat Engn, Beijing 100191, Peoples R China
[6] European Space Agcy, European Space Res & Technol Ctr Estec, NL-2200 AG Noordwijk, Netherlands
[7] Chinese Acad Sci, Natl Space Sci Ctr, Beijing 100190, Peoples R China
[8] Nanjing Univ Informat Sci & Technol, Sch Remote Sensing & Geomatics Engn, Nanjing 210044, Peoples R China
[9] Changan Univ, Coll Geol Engn & Geomat, Xian 710054, Peoples R China
[10] Univ Elect Sci & Technol China, Chengdu 611731, Peoples R China
来源
SATELLITE NAVIGATION | 2024年 / 5卷 / 01期
关键词
GNSS; Reflectometry; Remote sensing; Environmental change; SEA-ICE DETECTION; INTERFERENCE PATTERN TECHNIQUE; MICROWAVE DIELECTRIC BEHAVIOR; DELAY-DOPPLER MAPS; L-BAND RADIOMETER; SOIL-MOISTURE; GPS SIGNALS; WATER-CONTENT; TARGET DETECTION; BISTATIC RADAR;
D O I
10.1186/s43020-024-00139-4
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
The Global Navigation Satellite Systems (GNSS), including the US's GPS, China's BDS, the European Union's Galileo, and Russia's GLONASS, offer real-time, all-weather, any-time, anywhere and high precision observations by transmitting L band signals continuously, which have been widely used for positioning, navigation and timing. With the development of GNSS technology, it has been found that GNSS-reflected signals can be used to detect Earth's surface characteristics together with other signals of opportunity. In this paper, the current status and latest advances are presented on Global Navigation Satellite System-Reflectometry (GNSS-R) in theory, methods, techniques and observations. New developments and progresses in GNSS-R instruments, theoretical modeling, and signal processing, ground and space-/air-borne experiments, parameters retrieval (e.g. wind speed, sea surface height, soil moisture, ice thickness), sea surface altimetry and applications in the atmosphere, oceans, land, vegetation, and cryosphere are given and reviewed in details. Meanwhile, the challenges in the GNSS-R development of each field are also given. Finally, the future applications and prospects of GNSS-R are discussed, including multi-GNSS reflectometry, new GNSS-R receivers, GNSS-R missions, and emerging applications, such as mesoscale ocean eddies, ocean phytoplankton blooms, microplastics detection, target recognition, river flow, desert studies, natural hazards and landslides monitoring.
引用
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页数:42
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