Results 1 to 10 of about 723 (178)

Spaceborne GNSS Reflectometry

open access: yesRemote Sensing, 2022
This article presents a review on spaceborne Global Navigation Satellite System Reflectometry (GNSS-R), which is an important part of GNSS-R technology and has attracted great attention from academia, industry and government agencies in recent years ...
Kegen Yu, Jinwei Bu, Changyang Wang
exaly   +5 more sources

An Illustration of FY-3E GNOS-R for Global Soil Moisture Monitoring [PDF]

open access: yesSensors, 2023
An effective soil moisture retrieval method for FY-3E (Fengyun-3E) GNOS-R (GNSS occultation sounder II-reflectometry) is developed in this paper. Here, the LAGRS model, which is totally oriented for GNOS-R, is employed to estimate vegetation and surface ...
Guanglin Yang   +8 more
doaj   +2 more sources

Advances in GNSS Positioning and GNSS Remote Sensing [PDF]

open access: yesSensors
Scientists and engineers use data utilize global navigation satellite systems (GNSSs) for a multitude of tasks: autonomous navigation, transport monitoring, construction, GNSS reflectometry, GNSS ionosphere monitoring, etc [...]
Yury V. Yasyukevich   +2 more
doaj   +2 more sources

Airborne GNSS Reflectometry for Water Body Detection [PDF]

open access: yesRemote Sensing, 2021
This article is dedicated to the study of airborne GNSS-R signal processing techniques for water body detection and edge localization using a low-altitude airborne carrier with high rate reflectivity measurements.
Hamza Issa   +4 more
doaj   +2 more sources

GEROS-ISS: GNSS REflectometry, Radio Occultation, and Scatterometry Onboard the International Space Station

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2016
GEROS-ISS stands for GNSS REflectometry, radio occultation, and scatterometry onboard the International Space Station (ISS). It is a scientific experiment, successfully proposed to the European Space Agency in 2011.
Jens Wickert   +2 more
exaly   +3 more sources

Time-domain Statistics of the Electromagnetic Bias in GNSS-Reflectometry [PDF]

open access: yesRemote Sensing, 2015
Global Navigation Satellite Systems-Reflectometry (GNSS-R) is an emerging remote sensing technique that uses navigation signals reflected on the Earth’s surface as sources of opportunity for scatterometry and altimetry.
Ali Ghavidel, Adriano Camps
doaj   +4 more sources

Space-Borne GNSS-R Ionospheric Delay Error Elimination by Optimal Spatial Filtering [PDF]

open access: yesSensors, 2020
Global Navigation Satellite System Reflectometry (GNSS-R) technology is a new and promising remote sensing technology, especially satellite-based GNSS-R remote sensing, which has broad application prospects. In this work, the ionospheric impacts on space-
Qiuyang Zhang, Yang Liu, Junming Xia
doaj   +2 more sources

Polarimetric instrument Global Navigation Satellite System - Reflectometry airborne data [PDF]

open access: yesData in Brief
In this paper, three datasets are described. The first dataset is a complete set of GNSS-R (GNSS-R: Global Navigation Satellite System – Reflectometry) airborne data.
Karin Dassas   +7 more
doaj   +2 more sources

Estimating Wave Direction Using Terrestrial GNSS Reflectometry [PDF]

open access: yesRemote Sensing, 2019
The signal-to-noise ratio (SNR) data are part of the global navigation satellite systems (GNSS) observables. In a marine environment, the oscillation of the SNR data can be used to derive reflector heights. Since the attenuation of the SNR oscillation is
Jörg Reinking   +2 more
doaj   +2 more sources

PRETTY – passive GNSS-Reflectometry for CubeSats [PDF]

open access: yese & i Elektrotechnik und Informationstechnik, 2022
AbstractThe Passive Reflectometry and Dosimetry (PRETTY) is a small satellite mission developed by a consortium consisting of RUAG Space GmbH (RSA), Graz University of Technology (TUG), and Seibersdorf Laboratories (SL). The primary objective of the passive altimetry within the PRETTY mission is to measure the ice and sea ice surface elevation and ...
Andreas Dielacher   +2 more
openaire   +1 more source

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