Ara es mostren els items 11479-11498 de 245870

    • Airborne spray drift measurement using passive collectors and lidar Systems 

      Gregorio, Eduard; Solanelles, Francesc; Rocadenbosch Burillo, Francisco; Rosell Amigó, Juan Ramón; Sanz, Ricardo (2009)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Minimization of the risk associated with spray applications requires a proper understanding of the spray drift phenomenon. This fact has led to the development of several techniques to measure the deposition on horizontal ...
    • Airborne wind retrieval using GPS delay-Doppler maps 

      Zavorotny, Valery; Rodríguez, Nereida; Akos, D.M.; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Global Navigation Satellite System Reflectometry (GNSSR) has emerged recently as a promising remote sensing tool to retrieve various geophysical parameters of Earth’s surface. GNSS-reflected signals, after being received ...
    • Aircraft annoyance minimization around urban airports based on fuzzy logic 

      Quevedo Casín, Joseba Jokin; Prats Menéndez, Xavier; Nejjari Akhi-Elarab, Fatiha; Puig, Vicenç (GERAD; École Polytechnique de Montréal; Cadi Ayyad University, 2007-05)
      Text en actes de congrés
      Accés obert
      This paper presents a strategy based on fuzzy logic and lexicographic multi-objective optimization for designing noise abatement procedures aimed at reducing the noise exposure of the population living around the airports. ...
    • Aircraft cabin layout check - Development of a tool for the adaptation of aircraft loading in case of shear exceedances 

      Biel Simón, Adrià (Universitat Politècnica de Catalunya, 2024-02-15)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat
      Airbus currently offers a wide range of cabin configurations, fuel tanks and cargo compartments for each of its aircraft models. All these configuration differences must be subjected to an amount of studies to ensure the ...
    • Aircraft Charging and its Influence on Triggered Lightning 

      Pavan, C.; Fontanes Molina, Pol; Urbani, Michele; Nguyen, Ngoc-Cuong; Martínez Sánchez, Manuel; Peraire Guitart, Jaume; Guerra García, Carmen; Montañá Puig, Juan (2020-01-16)
      Article
      Accés obert
      This paper reports on a laboratory experiment to study the effect of vehicle net charge on theinception of a positive leader from an aircraft exposed to high atmospheric electric fields. The experimentmodels the first stage ...
    • Aircraft clouds: from chemtrail pseudoscience to the science of contrails 

      Mazón Bueso, Jordi; Costa, Marcel; Pino González, David (2018-04-03)
      Article
      Accés obert
      The most frequent statements and arguments found in pseudoscience websites and forums supporting the existence of so-called aircraft chemtrails can be refuted with a scientific explanation of the processes resulting in the ...
    • Aircraft conflict detection using data mining and statistical tools 

      Perez Font, Marc (Universitat Politècnica de Catalunya, 2016-10-28)
      Treball Final de Grau
      Accés obert
      Nowadays and taking into account the different indicators and the forecast of the air traffic volume from Eurocontrol, it is accepted the idea that the traffic will be doubled by 2030, that is why it is so important ...
    • Aircraft dynamic loads generated in wake vortex encounters 

      Suñer Perucho, Carles (Universitat Politècnica de Catalunya, 2014-06-12)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Airbus Defence and Space
      The study illustrated in these pages was developed in the Structural Dynamics and Aeroelasticity Department of the Military Aircraft division of Airbus Defence and Space in Getafe, Madrid (Spain). That department is a ...
    • Aircraft localization using a passive acoustic method. Experimental test 

      Martín Román, Sara-Regina; Genesca Francitorra, Meritxell; Romeu Garbí, Jordi; Clot Razquin, Arnau (2016-01)
      Article
      Accés obert
      A passive acoustic method for aircraft localization is experimentally tested in this paper. The method relies on the Doppler effect influencing the signals received by a mesh of microphones distributed over the acoustic ...
    • Aircraft noise-monitoring according to ISO 20906: evaluation of uncertainty derived from the human factors affecting event detection 

      Asensio, Alberto; Ausejo, Miguel; Kambrosic, Kristian; Kang, Jiang; Moschioni, Giovanni; Pagán, R.; Pavón, I.; Romeu Garbí, Jordi; Trujillo, J. A.; Vigano, Giacomo; Ruiz Delgado, Manuel; Recuero López, Manuel (2012)
      Article
      Accés restringit per política de l'editorial
      One of the most important issues in aircraft noise monitoring systems is the correct detection and marking of aircraft sound events through their measurement profiles, as this influences the reported results. In the recent ...
    • Aircraft performance certification - Electronic flight bag software 

      Esteve Pascual, Martí (Universitat Politècnica de Catalunya, 2017-09-07)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      Realitzat a/amb:   ATR Aircraft / École Nationale de l'Aviation Civile
      The continuous improvement of Electronic Flight Bag Software tools used in ATR for performance and weight & balance computations has made the EASA-OEB recommendation published in 2013 to become outdated. In view of this ...
    • Aircraft propulsion systems: study and simulation of a turbofan 

      Coiduras Huguet, Arnau (Universitat Politècnica de Catalunya, 2015-06)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Hochschule Aalen
    • Aircraft Radiation Modeling for Interference Calculation between On-board and Ground Cellular Systems 

      Vives i Tresserras, René (Universitat Politècnica de Catalunya, 2006-07)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      This thesis aims at defining and validating a theoretical model, that approaches the aircraft radiation pattern, whereby the interference power radated by the aircraft UMTS picocell to ground systems can be determined.What ...
    • Aircraft tracking by means of the Acoustical Doppler Effect 

      Martín Román, Sara-Regina; Genesca Francitorra, Meritxell; Romeu Garbí, Jordi; Pàmies Gómez, Teresa (2013-07)
      Article
      Accés restringit per política de l'editorial
      The present paper presents a passive acoustic method for aircraft tracking. The Acoustical Doppler Effect, characteristic of signals received by a mesh of spatially distributed microphones is the basis of the method. A ...
    • Aircraft trajectory optimization according to weather conditions 

      Blanco Cabanillas, Adria (Universitat Politècnica de Catalunya, 2017-02-14)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Vilniaus Gedimino technikos universitetas
      In a currently congested and overbooked airspace, institutions and users of the aeronautical sector increasingly need a major organization and optimization of the air routes in order of reducing any kind of cost and mainly ...
    • Aircraft turning ground maneuvers 

      Roca, Guillem (Universitat Politècnica de Catalunya, 2017-07)
      Treball Final de Grau
      Accés obert
      In this project a fully parameterized mathematical model of an aircraft turning on the ground in order to get the maximum aircraft speed and minimum infrastructure taxiway radius for three different types of aircrafts ...
    • Aircraft wireless sensor network (WSN) testbed 

      Pérez Simó, Xavier (Universitat Politècnica de Catalunya, 2015-04-27)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   TriaGnoSys
      [ANGLÈS] The objective of this thesis is to support the development of wireless sensor network (WSN) testbed in aircraft onboard network. This topic is currently having quite a lot of attention as airlines and aircraft ...
    • Aircraft-to-aircraft separation based on reinforcement learning 

      Prawda, Weronika (Universitat Politècnica de Catalunya, 2022-09-12)
      Treball Final de Grau
      Accés obert
      Air traffic has been increasing and with it the workload of air traffic controllers. Despite the pandemic, the latest figures show a rapid recovery and forecast exponential growth. This indicates the need to modernise air ...
    • Aire acondicionado 

      Autor desconegut (Universitat Politècnica de Catalunya, 2002)
      Apunts
      Accés obert
    • Aire acondicionado 

      Autor desconegut (Universitat Politècnica de Catalunya, 2009)
      Apunts
      Accés obert