Exploració per autor "Camps Carmona, Adriano José"Més informacióMés informació

Ara es mostren els items 475-492 de 492

    • Unified GNSS-R formulation including coherent and incoherent scattering components 

      Carreño Luengo, Hugo; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
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      Global Navigation Satellite Systems Reflectometry (GNSSR) is a sort of multi-static radar using navigation signals as signals of opportunity. Due to the large number of transmitting satellites multiple scattering points ...

    • Untangling the GNSS-R coherent and incoherent components: Experimental evidences over the ocean 

      Muñoz Martin, Joan Francesc; Onrubia Ibáñez, Raul; Pascual Biosca, Daniel; Hyuk, Park; Camps Carmona, Adriano José; Rudiger, Christoph; Walker, Jeffrey; Monerris Belda, Alessandra (2020)
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      Global Navigation Satellite Systems Reflected (GNSS-R) signals exhibit an incoherent and a coherent components [1], [2]. Current models assume that one or the other are dominant, and the calibration, and geophysical parameter ...

    • Untangling the incoherent and coherent scattering components in GNSS-R and novel applications 

      Muñoz Martin, Joan Francesc; Onrubia Ibáñez, Raúl; Pascual Biosca, Daniel; Hyuk, Park; Camps Carmona, Adriano José; Rudiger, Christoph; Walker, Jeffrey; Monerris Belda, Alessandra (Multidisciplinary Digital Publishing Institute (MDPI), 2020-04-09)
      Article
      Accés obert
      As opposed to monostatic radars where incoherent backscattering dominates, in bistatic radars, such as Global Navigation Satellite Systems Reflectometry (GNSS-R), the forward scattered signals exhibit both an incoherent ...

    • UPC NanoSat-Lab - Past, present and future activities 

      Camps Carmona, Adriano José (Universitat Politècnica de Catalunya, 2022-04-29)
      Comunicació de congrés
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      The Universitat Politècnica de Catalunya UPC NanoSat Lab is part of the CommSensLab-UPC Specific Research Center of the Department of Signal Theory and Communications, and counts with the support of the School of ...

    • UPCSAT-1, demostrador CubeSat para observación terrestre 

      Jové Casulleras, Roger; Camps Carmona, Adriano José; Vall-Llossera Ferran, Mercedes Magdalena; Bou Balust, Elisenda; Ramos Castro, Juan José; Alarcón Cot, Eduardo José; Alonso Arroyo, Alberto (2013)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      UPCSat-1, es el primer proyecto de la Universitat Politécnica de Catalunya para construir y lanzar un pico- satélite. El objetivo principal de este proyecto es construir, ensamblar, testear y poner en órbita baja ...

    • Updated ionospheric module for Esa Biomass Mission end-to-end performance simulator 

      Camps Carmona, Adriano José; Barbosa, José; Nestoras, Ioannis; Jordão, Adriano; Sanjuán Ferrer, María José; Rodríguez Cassola, Marc; Queiroz de Almeid, Vinicius; Betancourt Payan, Felipe (Institute of Electrical and Electronics Engineers (IEEE), 2023)
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      ESA’s BIOMASS is the seventh Earth Explorer mission. It will be devoted to the global monitoring of: 1) above ground forest biomass and biomass change maps with an accuracy < 20%, a 100-200 m spatial resolution, and 6-12 ...

    • Using DDM asymmetry metrics for wind direction retrieval from GPS ocean-scattered signals in airborne experiments 

      Valencia Domènech, Enric; Zavorotny, Valery; Akos, Dennis M.; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2014-07)
      Article
      Accés restringit per política de l'editorial
      Reflectometry of signals of opportunity such as those emitted by a global navigation satellite system, known as GNSS-R, has been developed over the past years as a technique with great potential for ocean scatterometry, ...

    • Validation and experimental tests of the PAU-synthetic aperture radiometer 

      Ramos Pérez, Isaac; Forte Veliz, Giuseppe Francesco; Camps Carmona, Adriano José; Bosch Lluís, Xavier; Rodríguez Álvarez, Nereida; Valencia Domènech, Enric; Hyuk, Park; Vall-Llossera Ferran, Mercedes Magdalena (Institute of Electrical and Electronics Engineers (IEEE), 2012)
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      This paper presents calibration and the radiometric performance of the Passive Advanced Unit Synthetic Aperture (PAU-SA) in order to verify the instrument's characterization.

    • Validation of SMOS L3 and L4 soil moisture products in the REMEDHUS (Spain) and CEMADEN (brazil) networks 

      Rossato, Luciana; Vall-Llossera Ferran, Mercedes Magdalena; Camps Carmona, Adriano José; Chaparro Danon, David; Alvalá, Regina Célia dos Santos; Barbosa Alves, Humberto (2020-01-01)
      Article
      Accés obert
      This work analyzes the quality of the soil moisture L3 (25 km) and L4 (1 km) products generated at the Barcelona Expert Center (BEC) in two sites located in distinct semi-arid regions, where measurement networks are ...

    • Validation of soil moisture in the Brazilian Semiarid, using smos satellite product and Simagri model 

      Rossato, Luciana; Vall-Llossera Ferran, Mercedes Magdalena; Camps Carmona, Adriano José; Portal González, Gerard; Sakuragi, Jojhy; Frederico de Angelis, Carlos; Zeri, Marcelo; Barbosa Alves, Humberto (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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      Soil moisture constitutes one of the main factors for the study where there is a water deficit in the soil, mainly for semiarid regions. The semiarid region of Brazil, which extends from the northern of the Piaui State to ...

    • Validation Plan 

      Barbosa, José; Camps Carmona, Adriano José; Juan Zornoza, José Miguel; Orús Pérez, Raul (2017-07-10)
      Report de recerca
      Accés restringit per acord de confidencialitat

    • Vegetation canopy height retrieval using L1 and L5 airborne GNSS-R 

      Muñoz Martínez, Francisco José; Pascual Biosca, Daniel; Onrubia Ibáñez, Raúl; Hyuk, Park; Camps Carmona, Adriano José; Rudiger, Christoph; Walker, Jeffrey; Monerris Belda, Alessandra (Institute of Electrical and Electronics Engineers (IEEE), 2021-11-29)
      Article
      Accés obert
      Vegetation canopy height (CH) is one of the important remote-sensing parameters related to forests’ structure, and it can be related to the biomass and the carbon stock. Global navigation satellite system-reflectometry ...

    • Vegetation moisture estimation in the Western United States using radiometer-radar-lidar synergy 

      Chaparro Danon, David; Jagdhuber, Thomas; Piles Guillem, María; Jonard, François; Flührer, Anke; Vall-Llossera Ferran, Mercedes Magdalena; Camps Carmona, Adriano José; López Martínez, Carlos; Fernández Morán, Roberto; Baur, Martin J.; Feldman, Andrew F.; Fink, Anita; Entekhabi, Dara (Elsevier, 2024-03-15)
      Article
      Accés restringit per política de l'editorial
      Monitoring vegetation moisture conditions is paramount to better understand and assess drought impacts on vegetation, enhance crop yield predictions, and improve ecosystem models. Passive microwave remote sensing allows ...

    • Vegetation water content estimation using GNSS measurements 

      Rodríguez Álvarez, Nereida; Bosch Lluís, Xavier; Camps Carmona, Adriano José; Ramos Pérez, Isaac; Valencia Domènech, Enric; Hyuk, Park; Vall-Llossera Ferran, Mercedes Magdalena (2012-03)
      Article
      Accés restringit per política de l'editorial
      Global Navigation Satellite Systems (GNSS) opportunity signals reflected at or near the Earth's surface have already shown their potential to perform retrievals of a number of geophysical parameters. Radio occultations ...

    • Visibility inversion algorithms over hexagonal sampling grids 

      Camps Carmona, Adriano José; Bará Temes, Francisco Javier; Corbella Sanahuja, Ignasi; Torres Torres, Francisco (European Spatial Agengy (ESA), 1995)
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    • Wind direction signatures in GNSS-R observables from space 

      Guan, Dongliang; Hyuk, Park; Camps Carmona, Adriano José; Wang, Yong; Onrubia Ibáñez, Raúl; Querol Borràs, Jorge; Pascual Biosca, Daniel (2018-01-29)
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      Accés obert

    • Wind speed effect on L-band brightness temperature inferred from EuroSTARRS and WISE 2001 field experiments 

      Etcheto, Jacqueline; Dinnat, Emmanuel P.; Boutin, Jacqueline; Camps Carmona, Adriano José; Miller, J.; Contardo, Stéphanie; Wesson, J.; Font, Jordi; Long, David G. (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2004-10-31)
      Article
      Accés obert
      The results from two field experiments in the Mediterranean Sea are used to study the wind speed dependence of brightness temperature at L-band. During the EuroSTARRS airborne experiment, an L-band radiometer made ...

    • Wind speed maping from the ISS using GNSS-R? A simulation study 

      Camps Carmona, Adriano José; Hyuk, Park; Alonso Arroyo, Alberto (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Text en actes de congrés
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      Reflectometry using Global Navigation Satellite System's signals of opportunity (GNSS-R) was originally conceived for mesoscale altimetry, but it can be applied to sea state determination (i.e. wind speed), among many other ...