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Títol:	The light airborne reflectometer for GNSS-R observations (LARGO) instrument: initial results from airborne and Rover field campaigns
Autor/a:	Alonso Arroyo, Alberto; Camps Carmona, Adriano José; Monerris Belda, Sandra; Rudiger, Christoph; Walker, Jeffrey; Forte Veliz, Giuseppe Francesco; Pascual Biosca, Daniel; Hyuk, Park; Onrubia Ibáñez, Raúl
Altres autors:	Universitat Politècnica de Catalunya. RSLAB - Grup de Recerca en Teledetecció
Abstract:	Global Navigation Satellite Systems (GNSS)-Reflectometry (GNSS-R) has proved to be a useful technique for the estimation of Soil Moisture (SM). In the past 10 years, different techniques such as the Interference Pattern Technique (IPT), the Interferometric Complex Field (ICF) or power measurements of direct and reflected GNSS signals have been used. This work presents a reflectometer concept that can be used for air-borne, Unmanned Aerial Vehicle (UAV), car-borne, and ground-based measurements. It also presents the hardware implementation and the data acquisition scheme. An algorithm for the estimation of the reflectivity of the surface under observation has been developed and compared to concurrent radiometric measurements. Initial results from an airborne field experiment have shown a good correlation between both data sets.
Abstract:	Peer Reviewed
Matèries:	-Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica -Global Positioning System -Soil moisture--Measurement -GNSS-R -L-Band -Radiometry -Reflectometry -Soil Moisture -GNSS (Sistema de navegació) -Sòls -- Humitat -- Mesurament
Drets:
Tipus de document:	Article - Versió publicada Objecte de conferència
Publicat per:	Institute of Electrical and Electronics Engineers (IEEE)
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