Ara es mostren els items 5112-5131 de 91894

  • 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 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
    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 restringit per política de l'editorial
    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 propulsion systems: study and simulation of a turbofan 

    Coiduras Huguet, Arnau (Universitat Politècnica de Catalunya, 2015-06)
    Treball Final de Grau
    Accés obert
  • 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
    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 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 ...
  • Aire comprimido 

    Deutsche Maschinenfabrik (Deutsche Maschinenfabrik, [19--]?)
    Llibre
    Accés obert
    Conté: 1. Máquinas generadoras de aire comprimido
  • AireLimpioYA : Aplicación móvil para conocer y difundir la calidad del aire de tu entorno 

    Peral Alvarez, Ismael (Universitat Politècnica de Catalunya, 2014-06-18)
    Projecte/Treball Final de Carrera
    Accés obert
    [CASTELLÀ] En este trabajo se ha desarrollado una aplicación Android que muestra de forma unificada los datos de diversas fuentes de información sobre la calidad del aire. Esta aplicación añade, además, funcionalidades ...
  • Airline route networks : a complex network approach 

    Lordan, Oriol (Universitat Politècnica de Catalunya, 2014-04-14)
    Tesi
    Accés obert
    Communication via air routes is an important issue in a world organized around a web-like city network. In this context, the robustness of network infrastructures, e.g. air transport networks, are a central issue in transport ...
  • Airline's strategies to compete in the long haul market 

    Sanchez Pardo, Marina (Universitat Politècnica de Catalunya, 2016-09)
    Treball Final de Grau
    Accés restringit per decisió de l'autor
    Analyse the key factors that airlines have to take into consideration to perform a winning strategy to enter or survive in the long haul market. For that purpose, the research will develop a causal model to explain these ...
  • Airport Choice Model in Multiple Airport Regions 

    Muñoz, Claudia; Cordoba, Jorge; Sarmiento, Iván (OmniaScience, 2017-06)
    Article
    Accés obert
    Purpose: This study aims to analyze travel choices made by air transportation users in multi airport regions because it is a crucial component when planning passenger redistribution policies. The purpose of this study ...
  • Airport Level of Service: A Model according to Departing Passenger’s Perceptions at a Small-sized Airport 

    Elias Gonçalves, Max Well; Caetano, Mauro (OmniaScience, 2017-06)
    Article
    Accés obert
    Purpose: This study proposes a conceptual model of level of service evaluation to a small-sized airport with a focus on departing passengers. Design/methodology: The variables selected to compose the model were chosen ...
  • Airport Mobile Marketing as a Channel to Promote Cross-Selling 

    Florido-Benítez, Lázaro (OmniaScience, 2016-12)
    Article
    Accés obert
    Purpose: The purpose of this study is to analyze the airport mobile marketing and what elements have had a positive or negative influence in cross-selling via an airport app. Design/methodology: For this analysis, a ...
  • Airport surface access and mobile apps 

    Martín-Domingo, Luis; Martín, Juan Carlos (Escola Tècnica Superior d'Enginyeries Industrial i Aeronàutica de Terrassa. Universitat Politècnica de Catalunya, 2015)
    Article
    Accés obert
    Purpose: Airport Surface Access faces two main opposite issues: (1) cars, being the main transport mode, contribute to the increasing level of congestion and pollution of cities; and (2) simultaneously, parking fees are ...