Results 31 to 40 of about 8,117 (279)

Issues on Multi-polarization of GNSS-R for Passive Radar Detection

open access: yesLeida xuebao, 2015
GNSS Reflectometry (GNSS-R) is a currently developed remote sensing technology which belongs to the passive radar domain. This paper aims to deal with some issues on multi-polarization of GNSS-R technology.
Wan Wei, Li Huang, Hong Yang
doaj   +1 more source

Spatiotemporal Evaluation of GNSS-R Based on Future Fully Operational Global Multi-GNSS and Eight-LEO Constellations

open access: yesRemote Sensing, 2018
Spaceborne GNSS-R (global navigation satellite system reflectometry) is an innovative and powerful bistatic radar remote sensing technique that uses specialized GNSS-R instruments on LEO (low Earth orbit) satellites to receive GNSS L-band signals ...
Fan Gao   +6 more
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

Wind direction signatures in GNSS-R observables from space [PDF]

open access: yes, 2018
Peer ReviewedPostprint (published ...
Camps Carmona, Adriano José   +6 more
core   +2 more sources

Implementation of a Testbed for GNSS-R Payload Performance Evaluation

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020
The functional performance of space-borne instruments must be validated on ground before and after satellite integration. The effects of radio-frequency interference are also becoming more important, even in protected bands for earth observation. In this
Adrian Perez   +4 more
doaj   +1 more source

Desert Roughness Retrieval Using CYGNSS GNSS-R Data [PDF]

open access: yesRemote Sensing, 2020
The aim of this paper is to assess the potential use of data recorded by the Global Navigation Satellite System Reflectometry (GNSS-R) Cyclone Global Navigation Satellite System (CYGNSS) constellation to characterize desert surface roughness. The study is applied over the Sahara, the largest non-polar desert in the world.
Donato Stilla   +4 more
openaire   +4 more sources

Leveraging the CYGNSS Spaceborne GNSS‐R Observations to Detect Ionospheric Irregularities Over the Oceans: Method and Verification

open access: yesSpace Weather, 2022
The Global Navigation Satellite System (GNSS) has significantly facilitated the detection of ionospheric irregularities. Nevertheless, the ground‐based GNSS stations are inhomogeneously distributed around the world with large gaps, especially in the vast
Xiaodong Ren   +6 more
doaj   +1 more source

An Aircraft Wetland Inundation Experiment Using GNSS Reflectometry

open access: yesRemote Sensing, 2020
In early May of 2017, a flight campaign was conducted over Caddo Lake, Texas, to test the ability of Global Navigation Satellite System-Reflectometry (GNSS-R) to detect water underlying vegetation canopies. This paper presents data from that campaign and
Stephen T. Lowe   +3 more
doaj   +1 more source

Precision Bounds in GNSS-R Ocean Altimetry

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2014
Global navigation satellite systems (GNSS) signals offer a promising opportunity to perform mesoscale altimetry with worldwide coverage using small satellites. However, unlike the signals used in classical altimeters, the GNSS signals have smaller bandwidth and lower transmitted power.
Pascual Biosca, Daniel   +5 more
openaire   +3 more sources

Sea target detection using spaceborne GNSS-R delay-doppler maps: theory and experimental proof of concept using TDS-1 data [PDF]

open access: yes, 2017
© 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new ...
Camps Carmona, Adriano José   +3 more
core   +2 more sources

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