Ara es mostren els items 3922-3941 de 87955

  • Actituds i opinions del consumidor cap els productes ecològics a la Península Ibèrica 

    Alcañiz Rodríguez, Alberto (Universitat Politècnica de Catalunya, 2012-11)
    Projecte/Treball Final de Carrera
    Accés obert
    El present treball té com a finalitat donar respostes sobre la situació del mercat de productes ecològics a la península Ibérica, i quines són les opinions dels consumidors d‟aquest tipus de productes. Per poder entendre ...
  • Actituds i preferències dels consumidors vers el biodièsel: perspectives de futur 

    Mazaira Font, Antoni (Universitat Politècnica de Catalunya, 2011-09)
    Projecte/Treball Final de Carrera
    Accés obert
    Actualment vivim en una situació d’absoluta dependència energètica; Catalunya, l’estat espanyol i la mateixa Unió Europea, són territoris incapaços d’autosatisfer la seva demanda d’energia, especialment pel que fa a les ...
  • Activa't a Can Monmany : centre enòleg a Valldoreix (Barcelona) 

    Merino Villanueva, Juan Carlos (Universitat Politècnica de Catalunya, 2014-06)
    Projecte/Treball Final de Carrera
    Accés obert
  • Activación ciudadana de la vivienda colectiva contemporánea: experiencias barcelonesas 

    Aparici Turrado, Isabel (Máster Laboratorio de la Vivienda Sostenible del Siglo XXI, 2014-02)
    Text en actes de congrés
    Accés obert
  • La activación de los signos y los garabatos 

    Navarro Baldeweg, Juan, 1939- (2008-10-23)
    Audiovisual
    Accés obert
  • Activación urbana de la manzana de la antigua tabacalera en el centro de Huesca 

    Garcia Acín, Oihana (Universitat Politècnica de Catalunya, 2016-07-12)
    Projecte/Treball Final de Carrera
    Accés obert
    A pesar de estar en un punto clave en el centro de la ciudad, límite con el parque, este interior de manzana es un lugar residual del que no participan los ciudadanos. No se percibe la existencia de este espacio libre y ...
  • "Activate" historical city’s modern "backbone" exploring Xi’an’s contemporary axisymmetric development 

    Rui, Wang (Departament d’Urbanisme i Ordenació del Territori. Universitat Politècnica de Catalunya / Maestría en Planeación Urbana y Regional. Pontificia Universidad Javeriana de Bogotá, 2014-06)
    Text en actes de congrés
    Accés obert
    As one of the world’s renowned ancient city, Xi’an’s axisymmetric spacial pattern has been inherited and reserved till now. Today, the accumulated city space along Xi’an’s axile wire is, not only the most important ...
  • Activating teaching methods, studying responses and learning 

    Christensen, Hans Peter; Vigild, Martin E.; Thomsen, Erik; Szabo, Peter; Horsewell, Andy (Active Learning for Engineering Education (ALE), 2009)
    Text en actes de congrés
    Accés obert
    Students’ study strategies when exposed to activating teaching methods are measured, analysed and compared to study strategies in more traditional lecture-based teaching. The resulting learning outcome is discussed.
  • Activation of different MEMS resonant modes with pulsed digital oscillators 

    Domínguez Pumar, Manuel; Blokhina, Elena; Pons Nin, Joan; Feely, Orla; Sanchez Rojas, Jose Luis (Springer Verlag, 2010)
    Text en actes de congrés
    Accés obert
    The objective of this work is to show that is possible to excite different vibration modes of MEMS resonators using Pulsed Digital Oscillators. This class of circuits exhibit two different behaviours: the oscillation and ...
  • Active and reactive power control of grid connected distributed generation systems 

    Egea Àlvarez, Agustí; Junyent Ferré, Adrià; Gomis Bellmunt, Oriol (2012)
    Capítol de llibre
    Accés restringit per política de l'editorial
    The present chapter describes active and reactive power control for distributed generation and storage systems connected to the grid by means of voltage source converters. Renewable generation and storage systems connected ...
  • Active and reactive power strategies with peak current limitation for distributed generation inverters during unbalanced grid faults 

    Camacho Santiago, Antonio; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Borrell Sanz, Angel; García de Vicuña Muñoz de la Nava, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2015-03-01)
    Article
    Accés obert
    Distributed generation inverters have become a key element to improve grid efficiency and reliability, particularly during grid faults. Under these severe perturbations, inverter-based power sources should accomplish ...
  • Active Appearance Models for People Recognition with a RGB-D Sensor 

    Trejo Ramírez, Karla Andrea (Universitat Politècnica de Catalunya, 2014-06)
    Projecte Final de Màster Oficial
    Accés restringit per decisió de l'autor
    Active Appearance Models (AAMs) is a computer vision procedure for statistical matching of object shape and appearance between images. The present work will analyze how AAMs can be employed with RGB-Depth technology, so ...
  • Active camera calibration for robotic systems 

    Boada Farràs, Ricard (Universitat Politècnica de Catalunya, 2016)
    Projecte Final de Màster Oficial
    Accés obert
    Realitzat a/amb:  Eidgenössische Technische Hochschule Zürich
    Camera calibration is an essential process embedded in any computer vision system that involves the extraction of spatial information from captured images. Traditional techniques for calibration require an expert to take ...
  • Active control based on an estimator for the bus-pumping cancellation in the half-bridge class-d audio power amplifiers 

    Sala Caselles, Vicenç; Romeral Martínez, José Luis (2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    In this paper is presented a new technique to avoid the distortion generated due to mid point voltage variations on DC-Bus of Class-D Half Bridge audio amplifiers. An usual distortion source on Class-D amplifier is the ...
  • Active control implementation in cable-stayed bridges for quasi-static loading patterns 

    Crusells Girona, Miquel; Aparicio Bengoechea, Ángel Carlos (2016-07)
    Article
    Accés restringit per política de l'editorial
    The following paper deals with active control implementation in cable-stayed bridges. Recent developments in structural active control of cable-stayed bridges are focused on the adaptability to dynamic effects produced by ...
  • Active control of aircraft fly-over sound transmission through an open window 

    Pàmies Gómez, Teresa; Romeu Garbí, Jordi; Genesca Francitorra, Meritxell; Arcos Villamarín, Robert (2014-04-13)
    Article
    Accés restringit per política de l'editorial
    This paper presents an experimental work on active control of sound transmission through a restricted opening bottom hinged window. The main goal of the work is to demonstrate the feasibility of the active technique to ...
  • Active control of hysteretic base-isolated structures via delayed signals 

    Acho Zuppa, Leonardo; Luo, Ningsu; Vidal Seguí, Yolanda; Pozo Montero, Francesc (2010)
    Comunicació de congrés
    Accés obert
  • Active control of sound transmission through an aperture in a thin wall 

    Magnusson Morer, Ingrid; Pàmies Gómez, Teresa; Romeu Garbí, Jordi (2014)
    Text en actes de congrés
    Accés obert
    The reduction on sound transmission through an aperture by active means is theoretically investigated. The primary field is composed by a plane wave that arrives at a rectangular aperture placed in an infinite rigid thin ...
  • Active Control of Surface Plasmon Waveguides with a Phase Change Material 

    Rudé, Miquel; Simpson, Robert E.; Quidant, Romain; Pruneri, Valerio; Renger, Jan (2015-05-25)
    Article
    Accés obert
    The ability to manipulate light propagation at the nanoscale is of vital importance for future integrated photonic circuits. In this work we exploit the high contrast in the optical properties of the phase change material ...
  • Active control of surface plasmons in hybrid nanostructures 

    Randhawa, Sukanya (Universitat Politècnica de Catalunya, 2012-12-04)
    Tesi
    Accés obert
    Plasmonics nanostructures are becoming remarkably important as tools towards manipulating photons at the nanoscale. They are poised to revolutionize a wide range of applications ranging from integrated optical circuits, ...