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First dual-band multiconstellation GNSS-R scatterometry measurements over boreal forests from a stratospheric balloon

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10.1109/JSTARS.2015.2496661
 
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Carreno-Luengo, Hugo
Camps Carmona, Adriano JoséMés informacióMés informacióMés informació
Document typeArticle
Defense date2015-11-25
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
This work presents the first ever dual-frequency multiconstellation Reflectometry using Global Navigation Satellite Systems signals (GNSS-R) observations over boreal forests and lakes using GPS, GLONASS, and Galileo signals. The instrument used is the PYCARO reflectometer, which flew on-board a stratospheric balloon during the SNSB and ESA sponsored BEXUS 19 experiment. The coherent-to-incoherent scattering ratio over boreal forests is found to be as large as ~1.5, while over lakes, it is as high as 16.5. The scatterers' height fluctuations measured using the phase of the peak of the reflected complex waveforms ranges from ±10 m, to the submetric level. Finally, reflectivity maps using the different GNSS codes are presented using the conventional GNSS-R for the open-access codes, and the reconstructed GNSS-R for the encrypted ones. The coherence of the reflected signal is found to be high enough to allow the PYCARO instrument to reconstruct the P(Y) code.
CitationCarreno-Luengo, H., Camps, A. First dual-band multiconstellation GNSS-R scatterometry measurements over boreal forests from a stratospheric balloon. "IEEE journal of selected topics in applied earth observations and remote sensing", 25 Novembre 2015, vol. 9, núm. 10, p. 4743-4751. 
URIhttp://hdl.handle.net/2117/102777
DOI10.1109/JSTARS.2015.2496661
ISSN1939-1404
Publisher versionhttp://ieeexplore.ieee.org/document/7337360
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