Ara es mostren els items 1-20 de 33

    • A software-defined spaceborne GNSS receiver 

      Fernandez Prades, Carles; Arribas Lázaro, Javier; Majoral Ramoneda, Marc; Ramos, Antonio; Vila Valls, Jordi; Giordano, Pietro (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper reports the design, proof-of-concept implementation and preliminary performance assessment of a low-cost, software-defined spaceborne GNSS receiver. The presented approach takes advantage of the flexibility of ...
    • Analysis of urban and vegetation growing in NW Senegal during the last 25 years using medium resolution imagery 

      Marcello, Javier; Calderero Patino, Felipe; Eugenio, Francisco; Marqués Acosta, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Land use and land cover information are key information for Governments in developing countries. In this context, remote sensing satellites like Landsat or SPOT can provide valuable data covering several decades. We have ...
    • Asymptotic performance analysis of successive interference cancellation with dynamic user-decoding order 

      Molina Oliveras, Francesc; Sala Álvarez, José (2020-09-01)
      Article
      Accés obert
      We address the evaluation of dynamic (estimation-based) user-decoding order in successive interference cancellation (SIC) in a proof-of-concept multiple access satellite setting in which many code-division multiple access ...
    • Automatic mapping of seagrass beds in alfacs bay using Sentinel-2 imagery 

      Angelats Company, Eduard; Soriano González, Jesús; Alcaraz, Carles (2019)
      Comunicació de congrés
      Accés obert
      Seagrass are marine flowering plants that form extensive meadows in shallow coastal waters. They play a critical role in coastal ecosystems by providing food and shelter for animals, recycling nutrients, and stabilizing ...
    • Blended-learning educational concept for earth observation at university level 

      Dubois, Clémence; Eckardt, Robert; Schmullius, Christiane (Universitat Politècnica de Catalunya, 2022-04-29)
      Comunicació de congrés
      Accés obert
      The field of Earth observation has been undergoing a tremendous transformation for several years. From commercial data that used to be processed only by a circle of specialists, we are now in an era where numerous high-quality ...
    • ³CAT-2: attitude determination and control system for a GNSS-R earth observation 6U CubeSat mission 

      Cortiella, Alexandre; Vidal, David; Jané, Jaume; Juan, Enric; Olivé, Roger; Amézaga Sarries, Adrià; Muñoz, Joan Francesc; Via, Pol; Carreno-Luengo, Hugo; Camps Carmona, Adriano José (2016-09-01)
      Article
      Accés obert
      This work describes the attitude determination and control system (ADCS) of ³CAT-2, a six-unit CubeSat scheduled for launch this 2016. The ADCS of 3CAT-2 aims at controlling the satellite in orbit and fulfilling the pointing ...
    • DISCOVERER: Developing Technologies to Enable Commercial Satellite Operations in Very Low Earth Orbit 

      Roberts, Peter C.E; Crisp, Nicholas H.; Edmonson, Steve; García-Almiñana, Daniel; García Berenguer, Marina; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (International Astronautical Federation, 2020)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The DISCOVERER project is developing technologies to enable commercially-viablesustained-operation of satellites in very low Earth orbitsfor communications and remote sensing applications. Operatingcloser to the surface ...
    • Extended kalman filter for interferometric precise orbit determination of geostationary satellites 

      Rodriguez Tersa, Judith (Universitat Politècnica de Catalunya, 2021-07-21)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat
    • Global evaluation of SMAP/Sentinel-1 soil moisture products 

      Mohseni, Farzane; Mirmazloumi, Seyedmohammad; Mokhtarzade, Mehdi; Jamali, Sadegh; Homayouni, Saeid (Multidisciplinary Digital Publishing Institute (MDPI), 2022-09-16)
      Article
      Accés obert
      MAP/Sentinel-1 soil moisture is the latest SMAP (Soil Moisture Active Passive) product derived from synergistic utilization of the radiometry observations of SMAP and radar backscattering data of Sentinel-1. This product ...
    • Implementation of GNSS receiver hardware accelerators in all-programmable system-on-chip platforms 

      Majoral Ramoneda, Marc; Fernandez Prades, Carles; Arribas Lázaro, Javier (ION Publications (The Institute of navigation), 2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper reports the design and proof-of-concept implementation of hardware accelerator modules for a low power consumption and small form factor software-defined GNSS receiver using an all-programmable System-On-Chip ...
    • Improved GNSS-R altimetry methods: experimental demonstration using dual frequency data 

      Cervelló I Nogués, Oriol (Universitat Politècnica de Catalunya, 2021-06-28)
      Projecte Final de Màster Oficial
      Accés obert
      Altimetric performance of Global Navigation Satellite System - Reflectometry (GNSS-R) instruments is highly dependent on receiver's bandwidth. The altimetric delay is usually computed from the time difference between the ...
    • In-orbit validation of the FMPL-2 dual microwave payload onboard the Fsscat Mission 

      Muñoz Martin, Joan Francesc; Fernandez Capon, Lara Pilar; Pérez Portero, Adrián; Hyuk, Park; Ruiz De Azúa Ortega, Juan Adrián; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The Flexible Microwave Payload -2 is the microwave remote sensing payload of the FSSCat mission. The instrument is the outcome of years of work of the Universitat Politécnica de Catalunya Passive Remote Sensing Laboratory, ...
    • Incidence angle diversity on L-band microwave radiometry and its impact on consistent soil moisture retrievals 

      Portal González, Gerard; Vall-Llossera Ferran, Mercedes Magdalena; Jagdhuber, Thomas; Camps Carmona, Adriano José; Pablos Hernández, Miriam; Piles Guillem, María (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Incidence angle diversity of space-borne L-band radiometers needs to be taken into account for a consistent estimation of surface soil moisture (SM). In this study, the Land Parameter Retrieval Model (LPRM) is applied to ...
    • Integration and structural analysis of the RITA Earth Observation Payload for a 3U CubeSat platform 

      Sobrino Hidalgo, Marco (Universitat Politècnica de Catalunya, 2020-10-21)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
    • Investigation of representativeness of CALIPSO aerosol optical properties products by EARLINET correlative measurements 

      Alados Arboledas, Lucas; Mona, L.; Papagiannopoulos, N.; D'Amico, Giuseppe; Giunta, Aldo; Hiebsch, Anja; Wandinger, Ulla; Amodeo, Aldo; Apituley, Arnoud; Pietruczuk, Aleksander; Papayannis, Alexander; Linné, Holger; Iarlori, M.; Grigorov, Ivan V.; Freudenthaler, Volker; de Tomasi, Ferdinando; Comerón Tejero, Adolfo; Chaikovsky, Anatoli; Balis, Dimitris; Schnell, Franziska; Pappalardo, Gelsomina; Spinelli, N.; Wiegner, M. (2012)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The almost six-years long database of aerosol and cloud vertical profiles provided by CALIPSO (Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations) is at the present the longest database of aerosol optical ...
    • Mesures de deformació des de satèl·lit i terrestres 

      Crosetto, Michele (2009-10-26)
      Audiovisual
      Accés obert
    • Meteor observation with the SOURCE CubeSat – Developing a simulation to test on-board meteor detection algorithms 

      Liegibel, Marcel; Petri, Jona; Hoffmann, Philipp; Geier, Niklas; Klinkner, Sabine (Universitat Politècnica de Catalunya, 2022-04-29)
      Comunicació de congrés
      Accés obert
      The scientific mission objectives of the Stuttgart Operated University Research CubeSat for Evaluation and Education are meteor observation, measurement of the lower Earth's atmosphere during re-entry as well as technology ...
    • Model validation and data insertion with FALL3D-8.0: exploiting geostationary satellite retrievals of volcanic ash and SO2 

      Prata, Andrew; Mingari, Leonardo; Folch, Arnau (Barcelona Supercomputing Center, 2020-05)
      Text en actes de congrés
      Accés obert
      The new version of FALL3D has recently been released with several new features and improvements in model physics, solving algorithms, code accuracy and performance [1]. Among the new features are a data insertion scheme ...
    • Monitoring natural phenomena from the classroom with Edusat. Proposal for a teaching guide (and support material) 

      Olivella González, Rosa; Garcia Lozano, Carla; Olivas Corominas, Laura; Sitjar Suñer, Josep (Universitat Politècnica de Catalunya, 2022-04-29)
      Comunicació de congrés
      Accés obert
      Satellite images and remote sensing allow us to identify the effects of natural and human-made changes that occur on Earth: fires, floods, urban development, deforestation, etc. Thanks to the Copernicus programme, satellite ...
    • Optimizing CALIPSO saharan dust retrievals 

      Amiridis, Vassilis; Wandinger, Ulla; Marinou, E.; Giannakaki, E.; Tsekeri, A.; Basart Alpuente, Sara; Kazadzis, Stylianos; Gkikas, A.; Taylor, M.; Baldasano Recio, José María; Ansmann, Albert (2013-12-13)
      Article
      Accés obert
      We demonstrate improvements in CALIPSO (Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations) dust extinction retrievals over northern Africa and Europe when corrections are applied regarding the Saharan dust ...