Results 141 to 150 of about 723 (178)
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Mobile GNSS reflectometry measurements

2020
<p>A major benefit of ground-based GNSS reflectometry (GNSS-R) over e.g. traditional tide gauge installations is the lower cost and basically maintenance-free operations. Still, a geodetic GNSS antenna is not exactly free of charge, so using cheaper equipment can make the technology available to even more people ...
Joakim Strandberg, Rüdiger Haas
openaire   +1 more source

GNSS Reflectometry and Applications

2017
© Springer International Publishing AG 2018. When positioning with GNSS, multipath signal is a reflected GNSS signal that is a nuisance and as such needs to be eliminated. Whereas this reflected signal on the one hand is a nuisance for positioning, for environmental monitoring purposes, it could be useful in monitoring sea-wind retrieval, seawater ...
openaire   +2 more sources

The rise of GNSS reflectometry for Earth remote sensing

2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2015
The Global Navigation Satellite System (GNSS) reflectometry, i.e. GNSS-R, is a novel remote-sensing technique first published in [1] that uses GNSS signals reflected from the Earth's surface to infer its surface properties such as sea surface height (SSH), ocean winds, sea-ice coverage, vegetation, wetlands and soil moisture, to name a few.
Cinzia Zuffada   +6 more
openaire   +1 more source

Theoretical Fundamentals of GNSS Reflectometry

2021
GNSS reflectometry usually relies on a model or a criterion which is established in advance, to measure geophysical parameters or detect natural phenomena or man-made objects. The models and criteria can be theoretical or empirical depending on the application scenario and the observation platform.
openaire   +1 more source

TDS-1 GNSS Reflectometry

2018
This study presents the development and a systematic evaluation study of GNSS reflectometry wind speeds. After establishing a wind speed retrieval algorithm, UK TechDemoSat-1 (TDS-1) derived winds, from May 2015 to July 2017, are compared to the Advanced Scatterometer (ASCAT).
Asgarimehr, Milad (Dr.-Ing.)   +2 more
openaire   +1 more source

Ship detection using GNSS-reflectometry in backscattering configuration

2018 IEEE Radar Conference (RadarConf18), 2018
The chance of exploiting the Global Navigation Satellite Systems-Reflectometry (GNSS-R) remote sensing technology in the field of maritime surveillance and ship traffic monitoring has been explored in the very recent past. The conventional bistatic GNSS-R is based on the acquisition of GNSS navigation messages in a forward-scattering geometry, where ...
DI Simone A.   +3 more
openaire   +2 more sources

Coordination of GNSS Signals with LiDAR for Reflectometry

ION GNSS+, The International Technical Meeting of the Satellite Division of The Institute of Navigation, 2017
In this paper, we present the results of a controlled GNSS reflectometry experiment to measure the power scattered from the surface and coordinate the power scatter with the surface from which it reflected by use of a collocated lidar and reference GNSS receiver.
Roohollah Parvizi   +5 more
openaire   +1 more source

GNSS reflectometry (GNSS-R) for environmental observation

2022
Guergana Guerova, Tzvetan Simeonov
openaire   +1 more source

GNSS reflectometry global ocean wind speed using deep learning: Development and assessment of CyGNSSnet

Remote Sensing of Environment, 2022
Milad Asgarimehr   +2 more
exaly  

Detecting fire disturbances in forests by using GNSS reflectometry and machine learning: A case study in Angola

Remote Sensing of Environment, 2022
E Santi   +2 more
exaly  

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