Browsing by Subject "Remote sensing"

Now showing items 1-20 of 725

    • 100 GHz retina for THz tomographic imaging 

      Alonso, Maria; Guerra, C.; Nova, Enrique; Abril, Jordi; Romeu Robert, Jordi; Llombart, Nuria; Jofre Roca, Lluís (2011)
      Conference report
      Restricted access - publisher's policy
      In a tomographic imaging system, the key is to collect a sufficient number of scattered field points to recover the currents in the inverse scattering problem. This can be accomplished by using a real array of multiplexed ...

    • 2000 days of SMOS at the Barcelona Expert Centre: a tribute to the work of Jordi Font 

      Turiel Martínez, Antonio; Piles Guillem, Maria; González Gambau, V.; Ballabrera Poy, Joaquim; Gabarró Prats, Carolina; Martinez, Justino; Olmedo, Estrella; Portabella, Marcos; Pérez López, Fernando; Solé Ollé, Jordi (2016-09-01)
      Article
      Open Access
      Soil Moisture and Ocean Salinity (SMOS) is the first satellite mission capable of measuring sea surface salinity and soil moisture from space. Its novel instrument (the L-band radiometer MIRAS) has required the development ...

    • 3CAT-2, an experimental nano-satellite for GNSS-R earth observation: mission concept and analysis 

      Carreno-Luengo, Hugo; Camps Carmona, Adriano José; Muñoz, Joan Francesc; Vidal, David; Amézaga Sarries, Adrià; Bolet Alberto, Font; Jané, Jaume; Olivé, Roger; Carola, Jorge; Catarino, Nuno; Hagenfeldt, Miguel; Palomo, Pedro; Cornara, Stefania (2016-10-01)
      Article
      Open Access
      Global navigation satellite system reflectometry is a multistatic radar using navigation signals as signals of opportunity. It provides wide-swath and improved spatiotemporal sampling over current space-borne missions. The ...

    • 3Cat-2: A P(Y) and C/A GNSS-R experimental nano-satellite mission 

      Carreño Luengo, Hugo; Camps Carmona, Adriano José; Perez Ramos, I.; Forte, G.; Onrubia Ibáñez, Raúl; Díez, Raúl (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      3Cat-2 is a 6 U CubeSat mission designed to perform ocean altimetry by means of Global Navigation Satellite Systems Reflectometry (GNSS-R). In this paper 3Cat-2 mission is presented. The main payload is the novel dual-band ...

    • 3CAT-3/MOTS, an experimental nanosatellite for multispectra and GNSS-R Earth Observation: Mission concept and analysis 

      Castellví Esturi, Jordi; Camps Carmona, Adriano José; Corbera Fauria, Jordi; Alamús, Ramón (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference report
      Restricted access - publisher's policy
      The 3 Cat-3/MOTS mission is a joint initiative between the Institut Cartogràfic i Geològic de Catalunya (ICGC) and the Universitat Politècnica de Catalunya-BarcelonaTech (UPC) to foster new and innovative technologies on ...

    • 3CAT-3/MOTS, an experimental nanosatellite for multispectral and GNSS-R earth observation: airborne optical and GNSS-R campaign 

      Castellví Esturi, Jordi; Camps Carmona, Adriano José; Onrubia Ibáñez, Raúl; Alamús, Ramón; Pascual Biosca, Daniel; Querol Borràs, Jorge; Hyuk, Park (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Restricted access - publisher's policy
      The 3 Cat-3/MOTS mission is a joint initiative between the Institut Cartogràfic i Geològic de Catalunya (ICGC) and the Universitat Politècnica de Catalunya-BarcelonaTech (UPC) to foster new and innovative technologies on ...

    • 3Cat-4: combined GNSS-R, L-Band radiometer with RFI mitigation, and AIS receiver for a I-Unit Cubesat based on software defined radio 

      Muñoz Martin, Joan Francesc; Miguélez Gómez, Noemí; Castellà Rubinat, Ricard; Fernandez Capon, Lara Pilar; Solanellas Bofarull, Arnau; Via Ortega, Pol; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
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      The 3 Cat-4 mission aims to demonstrate the capabilities of nano-satellites plus the versatility of a Software Defined Radio for passive Earth Observation. Three different microwave payloads are integrated into a single ...

    • A 1-D radiative transfer study of mineral dust during CHARMEX/ADRIMED 2013 campaign 

      Granados Muñoz, María José; Sicard, Michaël; Román Díez, Roberto; Benavent Oltra, Pablo; Barragán Cuesta, Rubén; Brogniez, G.; Denjean, Cyrielle; Alados-Arboledas, L; Muñoz Porcar, Constantino; Rodríguez Gómez, Alejandro Antonio; Comerón Tejero, Adolfo (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
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      A 1-D radiative transfer study is presented based on the measurements performed at Granada during a dust event within the framework of the ChArMEx/ADRIMED (Chemistry-Aerosol Mediterranean Experiment/Aerosol Direct Radiative ...

    • A comparative study of operational vessel detectors for maritime surveillance using satellite-borne synthetic aperture radar 

      Stasolla, Mattia; Mallorquí Franquet, Jordi Joan; Margarit, Gerard; Santamaría, Carlos; Walker, Nick (2016-06-01)
      Article
      Open Access
      This paper presents a comparative study among four operational detectors that work by automatically post-processing synthetic aperture radar (SAR) images acquired from the satellite platforms RADARSAT-2 and COSMO-SkyMed. ...

    • A comparison of different optimisation search methodologies for self-optimisation in wireless cellular networks 

      Sánchez González, Juan; Sallent Roig, Oriol; Pérez Romero, Jordi; Agustí Comes, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
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      Self-Organising Networks (SON) concept is seen as a way to reduce costs by automating functionalities such as network optimisation usually performed manually with extensive human work time. This paper provides a general ...

    • A comparison of different techniques for atmospheric artefact compensation in GBSAR differential acquisitions 

      Pipia, Luca; Fabregas Canovas, Francisco Javier; Aguasca Solé, Alberto; Mallorquí Franquet, Jordi Joan (IEEE, 2006)
      Conference report
      Open Access
      In this paper, a comparison of different techniques for compensating the atmospheric artifacts in Ground-Based SAR zero-baseline acquisitions at X-Band is presented. The way the fluctuation of atmospheric parameters like ...

    • A comparison of phase unwrapping techniques in synthetic aperture radar interferometry 

      Ferrando Bataller, Miquel (Institute of Electrical and Electronics Engineers (IEEE), 1999)
      Conference report
      Open Access
      A comparison of different phase unwrapping techniques based on the least mean square error is presented. A testing environment based on simulated interferograms has been created in order to assess the methods described in ...

    • A contour matching approach for accurate NOAA-AVHRR image navigation 

      Eugenio, F; Marqués Acosta, Fernando; Suarez, E; Rovaris, E (Eurasip, 2000)
      Conference report
      Open Access
      Although different methods for NOAA AVHRR image navigation have already been established, the multitemporal and multi-satellite character of most studies requires automatic and accurate methods for navigation of satellite ...

    • A Cubesat-ready phase synchronization digital payload for coherent distributed remote sensing missions 

      Querol Borràs, Jorge; Merlano-Duncan, Juan Carlos; Martínez Marrero, Liz; Krivochiza, Jevgenij; Kumar, Sumit; Maturo, Nicola; Camps Carmona, Adriano José; Chatzinotas, Symeon; Ottersten, Björn (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Conference report
      Open Access
      Distributed antenna arrays, fractionated payloads and cooperative platforms can provide unprecedented performance in the next generation of spaceborne communications and remote sensing systems. Remote phase synchronization ...

    • A dual network for super-resolution and semantic segmentation of sentinel-2 imagery 

      Abadal Lloret, Sauc; Salgueiro Romero, Luis Fernando; Marcello Ruiz, Javier; Vilaplana Besler, Verónica (Multidisciplinary Digital Publishing Institute (MDPI), 2021-11-12)
      Article
      Open Access
      There is a growing interest in the development of automated data processing workflows that provide reliable, high spatial resolution land cover maps. However, high-resolution remote sensing images are not always affordable. ...

    • A full Stokes imaging polarimeter based on a consumer CMOS camera 

      Peña Gutiérrez, Sara; Ballesta Garcia, Maria; Royo Royo, Santiago (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2019)
      Conference lecture
      Restricted access - publisher's policy
      Nowadays, taking advantage of polarization allows enhancing the contrast of a detected object and extending the information of the scene compared to conventional intensity imagery, as the information added by polarimetric ...

    • A generalized supervised classification scheme to produce provincial wetland inventory maps: an application of Google Earth Engine for big geo data processing 

      Amani, Meisam; Brisco, Brian; Afshar, Majid; Mirmazloumi, Seyedmohammad; Mahdavi, Sahel; Mirzadeh, Sayyed Mohammad Javad; Huang, Weimin; Granger, Jean (2019-10-02)
      Article
      Open Access
      Wetlands are important natural resources due to their numerous ecological services. Consequently, identifying their locations and extents is imperative. The stability, repeatability, cost-effectiveness, multi-scale coverage, ...

    • A generic simulator for aperture synthesis radiometers 

      Camps Carmona, Adriano José; Hyuk, Park; Barbosa Torralbo, José; Bandeiras, J.; D'Addio, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Conference report
      Restricted access - publisher's policy
      ESA's SMOS mission has demonstrated that Synthetic Aperture Interferometric Radiometers can be a useful tool for Earth observation. Today, the NASA's GeoStar instrument (USA), ESA's GAS instrument (Europe), or CSSAR's GIMS ...

    • A geographical heuristic routing protocol for VANETs 

      Urquiza Aguiar, Luis; Tripp Barba, Carolina; Aguilar Igartua, Mónica (2016-10-01)
      Article
      Open Access
      Vehicular ad hoc networks (VANETs) leverage the communication system of Intelligent Transportation Systems (ITS). Recently, Delay-Tolerant Network (DTN) routing protocols have increased their popularity among the research ...

    • A hydrodynamic model for particle beam-driven plasmon wakefield in carbon nanotubes 

      Martín-Luna, Pablo; Resta-López, Javier; Perera, Aravinda (Universitat Politècnica de Catalunya. Remote Sensing, Antennas, Microwaves and Superconductivity Group (CommSensLab), 2022)
      Conference report
      Open Access
      Charged particles moving through a carbon nanotube may be used to excite electromagnetic modes in the electron gas produced by π and σ orbitals in the cylindrical graphene shell that makes up a nanotube wall [1]. This ...