Results 31 to 40 of about 4,586 (165)

The Use of SMAP-Reflectometry in Science Applications: Calibration and Capabilities

open access: yesRemote Sensing, 2019
The Soil Moisture Active Passive (SMAP) mission became one of the newest spaceborne Global Navigation Satellite System−Reflectometry (GNSS-R) missions collecting Global Positioning System (GPS) bistatic radar measurements when the band-pass center ...
Nereida Rodriguez-Alvarez   +4 more
doaj   +1 more source

Review of Assimilating Spaceborne Global Navigation Satellite System Remote Sensing Data for Tropical Cyclone Forecasting

open access: yesRemote Sensing
Global Navigation Satellite System (GNSS) Radio Occultation (RO) and GNSS Reflectometry (GNSS-R) are the two major spaceborne GNSS remote sensing (GNSS-RS) techniques, providing observations of atmospheric profiles and the Earth’s surface. With the rapid
Weihua Bai   +11 more
doaj   +1 more source

Ocean Remote Sensing Using Spaceborne GNSS-Reflectometry: A Review

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Spaceborne global navigation satellite system reflectometry (GNSS-R) is an emerging remote sensing technology that utilizes Earth surface reflections of GNSS signals to monitor geophysical parameters.
Jinwei Bu   +6 more
doaj   +1 more source

Remote Sensing of Soil Moisture and Vegetation Status Using Space-Borne GNSS-R Observations [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Recently, GNSS Reflectometry (GNSS-R) has gained increasing attention for remote sensing and hydrological applications, particularly in monitoring soil moisture and vegetation status.
M. Rahmani, J. Asgari
doaj   +1 more source

Ionospheric Scintillation Monitoring Using GNSS-R?

open access: yesIGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018
Peer ...
Camps Carmona, Adriano José   +8 more
openaire   +2 more sources

GNSS-R: Operational Applications

open access: yes, 2003
This paper provides an overview of operational applications of GNSS-R, and describes Oceanpal, an inexpensive, all-weather, passive instrument for remote sensing of the ocean and other water surfaces. This instrument is based on the use of reflected signals emitted from GNSS, and it holds great potential for future applications thanks to the growing ...
Ruffini, G.   +4 more
openaire   +2 more sources

GNSS Reflectometry-Based Ocean Altimetry: State of the Art and Future Trends

open access: yesRemote Sensing
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.
Tianhe Xu   +6 more
doaj   +1 more source

Sea Level Determination in the Spanish Coast Using GNSS-R

open access: yesProceedings, 2019
GNSS reflectometry (GNSS-R) a technique for the study of variations in the height of sea level and inland waters, and for the study of soil moisture, based on the comparison of the direct and reflected noise signal.
Víctor Puente, Marcelino Valdés
doaj   +1 more source

Soil Moisture Content from GNSS Reflectometry Using Dielectric Permittivity from Fresnel Reflection Coefficients

open access: yesRemote Sensing, 2020
Global Navigation Satellite Systems-Reflectometry (GNSS-R) has shown unprecedented advantages to sense Soil Moisture Content (SMC) with high spatial and temporal coverage, low cost, and under all-weather conditions.
Andres Calabia   +2 more
doaj   +1 more source

Study of GNSS-R Techniques for FORMOSAT Mission

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2016
The use of global navigation satellite system (GNSS) for remote sensing and environmental monitoring has been an important research topic in recent years due to the omnipresence and performance of GNSS signals. The FORMOSAT-3 and the upcoming FORMOSAT-7 have exploited the potential of GNSS-based radio occultation for profiling the ionosphere and ...
Jyh-Ching Juang   +2 more
openaire   +1 more source

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