Now showing items 88582-88601 of 89225

  • W-band radiometric imager with mechanical beam-scanning 

    Nova, Enrique; Abril, Jordi; Romeu Robert, Jordi; Broquetas Ibars, Antoni; Torres Torres, Francisco; Jofre Roca, Lluís (IEEE, 2011)
    Conference report
    Restricted access - publisher's policy
    The design of a 94 GHz Total Power Radiometer system for imaging purposes is presented in this paper. A mechanical beam-scanning antenna system is used to acquire passive raster images. The main performance parameters ...
  • Wahrnehmung des Raumes : Malerei um 1800 

    Usandizaga Calparsoro, Miguel M. (Jade Hochschule, Fachhochschule Wilhelmshaven/Oldenburg /Elfsleth, 2010)
    Conference report
    Restricted access - publisher's policy
  • Wakana Gaiden: Una historia pixelada 

    Méndez López, Marina (Universitat Politècnica de Catalunya, 2016-06)
    Bachelor thesis
    Open Access
    ìWakana Gaiden: Una historia pixelada y es un trabajo que hace uso del pixel art para explicar una historia como si fuera un videojuego RPG. En ella se sigue a la protagonista, Wakana Sasaki, en su aventura hacia la villa ...
  • Wake-up communication system using solar panel and visible light communication 

    Carrascal Reyes, Carolina Andrea (Universitat Politècnica de Catalunya, 2014-07-24)
    Master thesis
    Open Access
    [ANGLÈS] One of the most promising energy-efficient communication methods is the use of wake-up receivers. In this work we propose and develop a wake-up communication system that uses Visible Light Communication (VLC) and ...
  • Wake-up radio as an energy-efficient alternative to conventional wireless sensor networks MAC protocols 

    Oller Bosch, Joaquim; Seyfettin Demirkol, Ilker; Casademont Serra, Jordi; Paradells Aspas, Josep; Gamm, Gerd Ulrich; Reindl, Leonhard (Association for Computing Machinery (ACM), 2013)
    Conference report
    Restricted access - publisher's policy
    The use of duty-cycling in Medium Access Control (MAC) protocols effectively helps improving the energy efficiency of wireless networks. However, while the benefits of these protocols are unquestionable, most of them still ...
  • Wake-up radio systems : design, development, performance evaluation and comparison to conventional medium access control protocols for wireless sensor networks 

    Oller i Bosch, Joaquim (Universitat Politècnica de Catalunya, 2015-03-06)
    Doctoral thesis
    Open Access
    During the recent years, the research related to Wake-up Radio (WuR) systems has gained noticeable interest. In WuR systems, a node initiating a communication first sends a Wake-up Call (WuC) by means of its Wake-up ...
  • Wake-Up Transceiver Architectures with Novel Symbol Time Synchronization Schemes for ElectroMagnetic NanoNetworks 

    Gómez Cid-Fuentes, Raül (Universitat Politècnica de Catalunya, 2011-07-13)
    Master thesis (pre-Bologna period)
    Open Access
    English: The work we present on this thesis covers unresolved PHY-Layer topics for Electromagnetic Nanonetworks that covers the transceiver architecture, frequency estimation for symbol synchronization and a wake-up receiver ...
  • Walden 7 

    Gili Galfetti, Gustau (Grupo PAB Departamento de Projectos Arquitectónicos, 2011-02)
    Part of book or chapter of book
    Open Access
  • Walk-off acceptance for quadratic soliton generation 

    Carrasco Rodríguez, Sílvia; Pérez Torres, Juan; Torner Sabata, Lluís; Wise, F W (2001-05)
    Article
    Restricted access - publisher's policy
    We find the walk-off acceptance for multicolor soliton formation in second-harmonic generation schemes with single-frequency pump light. It is revealed that even though soliton families exist, outside the allowed band of ...
  • Walking behaviour by detecting common patterns 

    Moreno Vázquez, Jonatan (Universitat Politècnica de Catalunya, 2015-04-23)
    Master thesis
    Restricted access - confidentiality agreement
  • Walking light bullets 

    Mihalache, Dumitru; Mazilu, D; Malomed, B; Torner Sabata, Lluís (1999-10)
    Article
    Restricted access - publisher's policy
    Two-parameter families of chirped stationary two-dimensional light bullets, in the form of localized spatio-temporal solitons in dispersive-diffractive quadratically nonlinear optical media under conditions for the Type I ...
  • Walking solitons 

    Torner Sabata, Lluís; Santos Blanco, M. Concepción; Mihalache, Dumitru; Mazilu, D; Crasovan, L C (1997-12)
    Article
    Restricted access - publisher's policy
    By and large, optical
  • Walking solitons in quadratic nonlinear media 

    Torner Sabata, Lluís; Mazilu, D; Mihalache, Dumitru (1996-09)
    Article
    Restricted access - publisher's policy
    We study self-action of light in parametric wave interactions in nonlinear quadratic media. We show the existence of stationary solitons in the presence of Poynting vector beam walk-off or different group velocities between ...
  • Walking solitons in type II second-harmonic generation 

    Mihalache, Dumitru; Mazilu, D; Crasovan, L C; Torner Sabata, Lluís (1997-12)
    Article
    Restricted access - publisher's policy
    We find the families of spatial walking solitons propagating in quadratic nonlinear media under conditions for type II second-harmonic generation in the presence of Poynting vector walk-off between the interacting beams. ...
  • Walking the City 

    Roca Blanch, Estanislao; Aquilué Junyent, Inés; Mendonça Espinheira Gomes, Renata de (Asociación Española de Psicología Conductual, 2014)
    Conference lecture
    Restricted access - publisher's policy
  • Walking the city: Barcelona as an urban experience 

    Roca Blanch, Estanislao; Aquilué Junyent, Inés; Mendonça Espinheira Gomes, Renata de (Asociación Española de Psicología Conductual, 2016)
    Part of book or chapter of book
    Restricted access - publisher's policy
    Background: The project Walking the City emerged out of teaching experience obtained in the academic programme Caminar Barcelona. Caminar Barcelona is an urbanism course which has been taught in the School of Architecture ...
  • Walking the city: social interactions in learning through the urban environment 

    Aquilué Junyent, Inés; Mendonça Espinheira Gomes, Renata de; Roca Blanch, Estanislao (2016)
    Conference lecture
    Open Access
  • Walking vector solitons 

    Torner Sabata, Lluís; Mihalache, Dumitru; Mazilu, D; Akhmediev, N N (1997-05)
    Article
    Restricted access - publisher's policy
    We investigate pulse propagation in birefringent optical fibers under conditions where both the walk-off length and the birefringence beat length between the linearly polarized modes of the fiber are comparable to the ...
  • Walkoff-compensated dispersion-mapped quadratic solitons 

    Torner Sabata, Lluís (1999-10)
    Article
    Open Access
    Formation of temporal guiding-center walking solitons in tandem structures made of quadratic nonlinear crystals is investigated. The specific new effects and possibilities arising by engineering the multifrequency periodical ...
  • Wall house 

    Kundoo, Anupama (Cátedra Blanca de Barcelona, 2014-10)
    Article
    Open Access
    Wall House is situated outside the planned city limits of Auroville, in Auromodele, an area designated for research and experimentation. The architect’s residence, it compactly accommodated everyday needs whilst effortlessly ...