Results 81 to 90 of about 596 (132)

Polarimetric instrument Global Navigation Satellite System - Reflectometry airborne data

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   +1 more source

Optimization of Random Surface Scattering Models for RR Polarization in SoOp-R/GNSS-R Applications

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Polarization in global navigation satellite system-reflectometry (GNSS-R) or signal of opportunity-reflectometry (SoOP-R) is commonly used for retrieving geophysical parameters.
Xuerui Wu, Lixiong Chen, Jiancheng Shi
doaj   +1 more source

Enhancing Soil Moisture Active–Passive Estimates with Soil Moisture Active–Passive Reflectometer Data Using Graph Signal Processing

open access: yesRemote Sensing
The Soil Moisture Active–Passive (SMAP) mission has greatly contributed to the use of remote sensing technologies for monitoring the Earth’s land surface and estimating geophysical parameters that influence the climate system.
Johanna Garcia-Cardona   +4 more
doaj   +1 more source

An Instrument Error Correlation Model for Global Navigation Satellite System Reflectometry

open access: yesRemote Sensing
All sensing systems have some inherent error. Often, these errors are systematic, and observations taken within a similar region of space and time can have correlated error structure.
C. E. Powell   +4 more
doaj   +1 more source

Spatial altimetry, GNSS reflectometry and marine surcotes

open access: yes
Altimétrie spatiale, réflectométrie GNSS et surcotes marines L'objectif de ce travail a été de développer une méthodologie de télédétection novatrice, s'appuyant sur des plateformes existantes, de suivi des principaux facteurs influençant la dynamique côtière.
openaire   +4 more sources

GNSS Reflectometry and Passive Radar at DLR [PDF]

open access: yes, 2008
The presentation mainly summarises a planned GNSS reflectometry satellite mission that has been proposed by the Microwaves and Radar Institute to the DLR programme board in close cooperation with the GFZ Potsdam. The proposal was driven by the possible opportunity to use the DLR TET-1/-2 (Technologie Erprobungs Träger, very similar to the BIRD ...
openaire   +1 more source

Spaceborne receiver design for scatterometric GNSS reflectometry

open access: yes, 2012
Global Navigation Satellite System-Reflectometry (GNSS-R) is an innovative technique for remote sensing. It uses reflected signals from the navigation constellations to determine properties of the Earth’s surface. The primary focus of this work is the remote sensing of the ocean by measurement of surface roughness.
openaire   +2 more sources
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On the Spatial Resolution of GNSS Reflectometry

IEEE Geoscience and Remote Sensing Letters, 2016
A method for defining the spatial resolution of a Global Navigation Satellite System reflectometry delay–Doppler map (DDM) and of any derived geophysical product is proposed. An effective spatial resolution is derived as a function of measurement geometry and delay–Doppler (DD) interval, and as a more appropriate representation of resolution than the ...
Maria Paola Clarizia, Christopher S. Ruf
openaire   +1 more source

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