Ara es mostren els items 36223-36242 de 114763

  • Dyakonov surface waves in photonic metamaterials 

    Artigas García, David; Torner Sabata, Lluís (2005-01)
    Article
    Accés restringit per política de l'editorial
    We show that suitable photonic metamaterial structures can support lossless surface waves of the form envisaged by Dyakonov. The idea we put forward is based on the birefringent properties of photonic crystals in the ...
  • Dyeing of woollen fabrics 

    Beech, Franklin (Scott, Greenwood & Son, 1902)
    Llibre
    Accés obert
  • Dyestuffs and formaldehyde content in split leather treated with formaldehyde resins 

    Marsal Monge, Agustín; Cuadros Domènech, Rosa Maria; Cuadros Domènech, Sara; Font Vallès, Joaquim; Manich, Albert (2018-05-15)
    Article
    Accés restringit per política de l'editorial
    Formaldehyde resins are present in textile, leather and wood industries. Due to the harmful character of formaldehyde, different alternatives have been found to exclude or reduce its content on processed goods. However, ...
  • DYMO routing protocol with knowledge of nodes’ position 

    Zola, Enrica Valeria; Barceló Arroyo, Francisco (2012)
    Text en actes de congrés
    Accés obert
    We present a system that selects the optimal route between two points for vehicles moving in an urban environment. Our approach uses location data gathered from smartphones, which includes route segments and their corresponding ...
  • DYMO self forwarding: a simple way for reducing the routing overhead in MANETs 

    Zola, Enrica Valeria; Barceló Arroyo, Francisco; Martín Escalona, Israel (HINDAWI, 2017-04)
    Article
    Accés obert
    Current routing protocols in Mobile Ad hoc Networks tend to use information on the position of the nodes in order to improve their features. In fact, without this information, protocols are hardly scalable since they tend ...
  • DYMO self-forwarding: a simple way for reducing the routing overhead in MANETS 

    Zola, Enrica Valeria; Barceló Arroyo, Francisco; Martín Escalona, Israel (HINDAWI, 2017-01-01)
    Article
    Accés obert
    Current routing protocols in Mobile Ad hoc Networks tend to use information on the position of the nodes in order to improve their features. In fact, without this information, protocols are hardly scalable since they tend ...
  • Dynamic Adaptable Asynchronous Progress Model for MPI RMA Multiphase Applications 

    Si, Min; Peña, Antonio J.; Hammond, Jeff; Balaji, Pavan; Takagi, Masamichi; Ishikawa, Yutaka (IEEE, 2018-09-01)
    Article
    Accés obert
    Casper is a process-based asynchronous progress model for MPI one-sided communication on multi- and many-core architectures. The one-sided communication is not truly one-sided in most MPI implementations: the target process ...
  • Dynamic Adaptive Streaming over HTTP Study in Heterogeneous Networks 

    Solivellas Mulet, Guillem Rafel (Universitat Politècnica de Catalunya, 2014-09)
    Projecte/Treball Final de Carrera
    Accés obert
    [ANGLÈS] Video streaming is becoming more and more popular in society, both live and on demand video. Some big companies have designed their own standards for video streaming over HTTP. In this project, we study the standard ...
  • Dynamic Air Holding Program for Delay Assignment applied to Barcelona Airport Case 

    Zheng, Danlin (Universitat Politècnica de Catalunya, 2015-09-09)
    Treball Final de Grau
    Accés obert
    Nowadays, the aircraft is the most used transport to travel between two very distanced places since it is the fastest way. For these last years, the demand of flights has been increasing immensely, so the airports have ...
  • Dynamical analysis and design of active orthoses by aesthetic and energetic optimization 

    García-Vallejo, Daniel; Font Llagunes, Josep Maria; Schiehlen, Werner (2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
  • Dynamical analysis and design of active orthoses for spinal cord injured subjects by aesthetic and energetic optimization 

    García-Vallejo, Daniel; Font Llagunes, Josep Maria; Schiehlen, Werner (2016-04)
    Article
    Accés obert
    The dynamic analysis and simulation of human gait using multibody dynamics techniques has been a major area of research in the last decades. Nevertheless, not much attention has been paid to the analysis and simulation of ...
  • Dynamical analysis of an interleaved single inductor TITO switching regulator 

    El Aroudi, Abdelali; Moreno Font, Vanessa; Benadero García-Morato, Luis (2009-06)
    Article
    Accés obert
    We study the dynamical behavior of a single inductor two inputs two outputs (SITITO) power electronics DC-DC converter under a current mode control in a PWM interleaved scheme. This system is able to regulate two, generally ...
  • Dynamical Analysis of Lower Abdominal Wall in the Human Inguinal Hernia 

    Fortuny Anguera, Gerard (Universitat Politècnica de Catalunya, 2009-02-20)
    Tesi
    Accés obert
    En aquesta tesi es construeix un simulador numèric de la paret abdominal inferior, per tal de determinar la gènesis i les causes de les hernies inguinal humanes. Així, un model amb dades reals d'aquesta regió del cos humà ...
  • Dynamical and correlation properties of the Internet 

    Pastor Satorras, Romualdo; Vázquez, A; Vespignani, Alessandro (American Institute of Physics (AIP), 2001-11)
    Article
    Accés obert
    The description of the Internet topology is an important open problem, recently tackled with the introduction of scale-free networks. We focus on the topological and dynamical properties of real Internet maps in a three-year ...
  • Dynamical aspects of intermolecular proton transfer in liquid water and low-density amorphous ices 

    Tahat, Amani; Martí Rabassa, Jordi (2014-05-19)
    Article
    Accés obert
    The microscopic dynamics of an excess proton in water and in low-density amorphous ices has been studied by means of a series of molecular dynamics simulations. Interaction of water with the proton species was modelled ...
  • Dynamical aspects of multi-round horseshoe-shaped homoclinic orbits in the RTBP 

    Ollé Torner, Mercè; Barrabés Vera, Esther (2009-11)
    Article
    Accés restringit per política de l'editorial
    We consider the planar restricted three-body problem and the collinear equilibrium point L3, as an example of a center×saddle equilibrium point in a Hamiltonian with two degrees of freedom.We explore numerically the ...
  • Dynamical aspects of the Na+ - Cl- ion pair association in water 

    Rey Oriol, Rosendo; Guàrdia Manuel, Elvira (1992-05-01)
    Article
    Accés restringit per política de l'editorial
    Molecular dynamics is applied to analyze the association-dissociation process that takes place between contact and solvent-separated ion pairs for aqueous sodium chloride. A flexible single point charge model for water has ...
  • Dynamical behavior of asteroids near resonance: the 4:1 gap and the 7:2 group 

    Grau Sánchez, Miguel; González Casado, Guillermo (1999-08)
    Article
    Accés restringit per política de l'editorial
    A comparative study of the evolution of the Sun–Jupiter–Asteroid system near the 4:1 and 7:2 resonances is performed by means of two techniques that proceed differently from the Hamiltonian corresponding to the planar ...
  • Dynamical behavior of delay-coupled semiconductor lasers 

    Martínez González, Cristina (Universitat Politècnica de Catalunya, 2009-01-30)
    Tesi
    Accés obert
    In this Thesis we have presented the results of a set of experimental investigations of the dynamics of delay-coupled semiconductor lasers. The characterization of these systems includes topics such as the processing of ...
  • Dynamically consistent probabilistic model for robot motion learning 

    Pardo Ayala, Diego Esteban; Rozo Castañeda, Leonel; Alenyà Ribas, Guillem; Torras, Carme (2012)
    Text en actes de congrés
    Accés obert
    This work presents a probabilistic model for learning robot tasks from human demonstrations using kinesthetic teaching. The difference with respect to previous works is that a complete state of the robot is used to obtain ...