Ara es mostren els items 41694-41713 de 244400

    • Cloisonné stained glass: material analysis and conservation issues 

      Pradell Cara, Trinitat; Bonet, Jordi (2014-01-01)
      Article
      Accés restringit per política de l'editorial
    • Close contacts at the interface: Experimental-computational synergies for solving complexity problems 

      Torras Costa, Juan; Zanuy Gomara, David; Bertran Cànovas, Òscar; Alemán Llansó, Carlos; Puiggalí Bellalta, Jordi; Revilla López, Guillermo (de Gruyter, 2018-02-15)
      Capítol de llibre
      Accés restringit per política de l'editorial
      The study of material science has been long devoted to the disentanglement of bulk structures which mainly entails finding the inner structure of materials. That structure is accountable for a major portion of materials’ ...
    • Close range remote control with advanced capabilities 

      Huiculescu, Magda; Carlino, Marco Ferdinando; Kobus, Michal; Pereira Gega, Miquel Àngel (Universitat Politècnica de Catalunya, 2016-06-16)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      When a marine underwater housing with electronic equipment is deployed it is usually switched off during transport to the deployment location, which can take days to weeks. The system is then switched on just before its ...
    • Closed city la primavera 

      Rodríguez González, Sylvia Cristina (Centre de Política del Sòl i Valoracions - Universitat Politècnica de Catalunya, 2008)
      Article
      Accés obert
      En la actualidad, el proceso de crecimiento urbano ante la globalización va ligado al fenómeno de expansión urbana, como primer proceso de la tendencia expansióndensificación, la cual se distingue por sus manifestaciones ...
    • Closed composting system controlled by PIC 

      Castellón Díez, Alexandra (Universitat Politècnica de Catalunya, 2010-07-07)
      Projecte/Treball Final de Carrera
      Accés obert
      This project analyses the different composting techniques existing nowadays and proposes a variant. This variant is going to be proved in a prototype. Humidity and temperature will be the sensed and controlled variables. ...
    • Closed form analysis of Poisson cellular networks: a stochastic geometry approach 

      Aravanis, Alexios (Universitat Politècnica de Catalunya, 2019-09-09)
      Tesi
      Accés obert
      Ultra dense networks (UDNs) allow for efficient spatial reuse of the spectrum, giving rise to substantial capacity and power gains. In order to exploit those gains, tractable mathematical models need to be derived, allowing ...
    • Closed form expressions for maximum delay and jitter in multibeam opportunistic beamforming 

      Zorba, Nizar; Pérez Neira, Ana Isabel (2007)
      Text en actes de congrés
      Accés obert
      Scheduling in a broadcast (BC) channel based on partial channel state information at the transmitter (CSIT) is carried out through a multibeam opportunistic beamforming technique. Within a more practical perspective, this ...
    • Closed form solution of the return mapping algorithm in elastoplasticity 

      De Angelis, Fabio; Taylor, Robert L. (CIMNE, 2017)
      Text en actes de congrés
      Accés obert
      In the present work a return mapping algorithm is discussed for small strain elastoplasticity boundary value problems with an exact closed form solution of the local constitutive equations. Nonlinear kinematic hardening ...
    • Closed form transient solution of continuous time Markov chains through uniformization 

      Cerdà Alabern, Llorenç (Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering (ICST), 2013)
      Comunicació de congrés
      Accés obert
      This paper derives a mapping between a close form transient solution of a continuous time Markov chain (CTMC), and a close form transient solution of one of its uniformized discrete time Markov chains. This result is used ...
    • Closed Geodesics and Billiards on Quadrics related to elliptic KdV solutions 

      Abenda, Simonetta; Fedorov, Yuri (2004)
      Article
      Accés obert
      We consider algebraic geometrical properties of the integrable billiard on a quadric Q with elastic impacts along another quadric confocal to Q. These properties are in sharp contrast with those of the ellipsoidal Birkho® ...
    • Closed loop controlled ring oscillator: a variation tolerant self-adaptive clock generation architecture 

      Pérez Puigdemont, Jordi; Calomarde Palomino, Antonio; Moll Echeto, Francisco de Borja (2012)
      Comunicació de congrés
      Accés obert
    • Closed-form capacity bounds for downlink and uplink decoupling 

      Aravanis, Alexios; Pascual Iserte, Antonio; Muñoz Medina, Olga (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Comunicació de congrés
      Accés obert
      Downlink (DL) and uplink (UL) decoupling (DUDe) is a new architectural paradigm where DL and UL are not constrained to be associated to the same base station (BS). Thus, a user having access to multiple BSs within a dense ...
    • Closed-form equation for natural frequencies of beams under full range of axial loads modeled with a spring-mass system 

      Valle Fraga, Juan José; Fernández Martínez, Daniel; Madrenas Boadas, Jordi (2019-04-01)
      Article
      Accés obert
      A new simple closed-form equation that accurately predicts the effect of an arbitrarily large constant axial load, residual stress or temperature shift on the natural frequencies of an uniform single-span beam, with various ...
    • Closed-form expressions for the optimization of high speed electro-optical modulators 

      Ibarra Fusté, Jose Antonio; Santos Blanco, M. Concepción (2013-07)
      Article
      Accés restringit per política de l'editorial
      Compact closed-form mathematical expressions for the propagation parameters (characteristic impedance, effective permittivity and attenuation) of coplanar waveguides (CPW) are presented. The formulas take into account ...
    • Closed-form multicast precoding for satellite flexible payloads 

      Vázquez Oliver, Miguel Ángel; Artiga Campos, Xavier; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés obert
      This paper investigates a novel closed-form noniterative precoding technique for multicast multibeam satellite systems. Next-generation satellite systems will be benefited from the flexible use of the satellite resources ...
    • Closed-form position analysis of variable geometry trusses 

      Porta Pleite, Josep Maria; Thomas, Federico (2017-03-01)
      Article
      Accés obert
      Variable geometry trusses are composed, in general, of unit cells which can be modeled as bars connected by spherical joints. Under mild conditions, it has been shown that the only feasible cells are topologically equivalent ...
    • Closed-form solution to the position analysis of Watt–Baranov trusses using the bilateration method 

      Rojas Libreros, Nicolás Enrique; Thomas, Federico (ASME PRESS, 2011)
      Article
      Accés restringit per política de l'editorial
      The exact position analysis of a planar mechanism reduces to compute the roots of its characteristic polynomial. Obtaining this polynomial almost invariably involves, as a first step, obtaining a system of equations derived ...
    • Closed-form solutions for the inverse kinematics of serial robots using conformal geometric algebra 

      Zaplana Agut, Isiah; Hadfield, Hugo; Lasenby, Joan (2022-07)
      Article
      Accés restringit per política de l'editorial
      This work addresses the inverse kinematics of serial robots using conformal geometric algebra. Classical approaches include either the use of homogeneous matrices, which entails high computational cost and execution time, ...
    • Closed-loop actuator-fault detection and isolation using invariant set and tubes 

      Xu, Feng; Puig Cayuela, Vicenç; Ocampo-Martínez, Carlos; Stoican, Florin; Olaru, Sorin (2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper proposes a new actuator-fault detection and isolation (FDI) strategy for closed-loop discrete time-invariant systems by using invariant sets and tubes. In this approach, invariant sets are used for fault detection ...
    • Closed-loop actuator-fault detection and isolation using invariant sets and tubes 

      Xu, Feng; Puig Cayuela, Vicenç; Ocampo-Martínez, Carlos; Stoican, Florin; Olaru, Sorin (2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper proposes a new actuator-fault detection and isolation (FDI) strategy for closed-loop discrete time-invariant systems by using invariant sets and tubes. In this approach, invariant sets are used for fault detection ...