Zobrazeno 1 - 10
of 225
pro vyhledávání: '"ocean altimetry"'
Publikováno v:
Journal of Advances in Modeling Earth Systems, Vol 16, Iss 7, Pp n/a-n/a (2024)
Abstract Satellite altimetry combined with data assimilation and optimal interpolation schemes have deeply renewed our ability to monitor sea surface dynamics. Recently, deep learning schemes have emerged as appealing solutions to address space‐tim
Externí odkaz:
https://doaj.org/article/f46edd62664b4995ab9f38b2cbf95bce
Publikováno v:
Remote Sensing, Vol 16, Iss 10, p 1754 (2024)
For the past 20 years, Global Navigation Satellite System reflectometry (GNSS-R) technology has successfully shown its potential for remote sensing of the Earth’s surface, including ocean and land surfaces. It is a multistatic radar that uses the G
Externí odkaz:
https://doaj.org/article/23b98baea3d54694925fd28ba3417874
Akademický článek
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Publikováno v:
Remote Sensing, Vol 15, Iss 13, p 3235 (2023)
Surface wind speed measurements from a satellite radar altimeter are used to adjust altimeter sea level measurements via sea state bias range correction. We focus here on previously neglected ocean radar backscatter and subsequent wind speed variatio
Externí odkaz:
https://doaj.org/article/2ba7eaa5002d49e9b1c11df0bb17ec15
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 14, Pp 1619-1627 (2021)
When the interferometric global navigation satellite system reflectometry (iGNSS-R) altimeter receives the direct and reflected signals through the digital multibeam phased array antenna, the roll-off of element radiation pattern will cause the scann
Externí odkaz:
https://doaj.org/article/568cb6429f564355beaadd575494fe01
Autor:
Estel Cardellach, Weiqiang Li, Antonio Rius, Maximilian Semmling, Jens Wickert, Florian Zus, Christopher S. Ruf, Carlo Buontempo
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 13, Pp 102-112 (2020)
The precision of sea surface altimetry using bistatically reflected signals of the Global Navigation Satellite System (GNSS) is typically one to two orders of magnitude worse than dedicated radar altimeters. However, when the scattering is coherent,
Externí odkaz:
https://doaj.org/article/80cca50551984ca58b728c5f3ec99676
Autor:
Jianming Wu, Yanling Chen, Fan Gao, Peng Guo, Xiaoya Wang, Xinliang Niu, Mengjie Wu, Naifeng Fu
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 13, Pp 5550-5559 (2020)
Chinese BeiDou Navigation Satellite System (BDS) as a mixed constellation consists of not only medium earth orbit (MEO) satellites but also inclined geosynchronous orbit and geostationary earth orbit (GEO) satellites, of which the GEO satellites rema
Externí odkaz:
https://doaj.org/article/32381b0579da4695839d7df0d3a97427
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
Improving the measurement accuracy is a necessary condition for sea surface altimetry using the Global Navigation Satellite System Reflectometry (GNSS-R). The ionosphere and troposphere delay the transmission of satellite signals, which directly affe
Externí odkaz:
https://doaj.org/article/995c6026947d43b1a38f0c04dc820d74
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 12, Iss 12, Pp 5379-5384 (2019)
Ocean altimetry with Global Navigation Satellite Systems signals (GNSS) signals is a remote sensing technique that measures the height of the sea surface through the difference in path length of the direct and reflected signal. Code altimetry estimat
Externí odkaz:
https://doaj.org/article/20012b9ae24a43fc9968eac5ca80cf94
Akademický článek
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