Ara es mostren els items 1943-1962 de 87805

  • A hierarchical architecture with feature selection for audio segmentation in a broadcast news domain 

    Butko, Taras; Nadeu Camprubí, Climent (2010)
    Text en actes de congrés
    Accés obert
    This work presents a hierarchical HMM-based audio segmentation system with feature selection designed for the Albayzin 2010 Evaluations. We propose an architecture that combines the outputs of individual binary detectors ...
  • A hierarchical control structure for multi-terminal VSC-based HVDC grids with GVD characteristics 

    Rouzbehi, Kumars; Miranian, Arash; Candela García, José Ignacio; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2013)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    This paper presents a hierarchical control structure for Multi terminal HVDC grids. The hierarchical control structure is inspired by the three-layer control structure of largescale AC power systems and it is divided into ...
  • A hierarchical finite element for composite laminated beams using a refined zigzag theory 

    Nallim, Liz G.; Oller Martínez, Sergio Horacio; Oñate Ibáñez de Navarra, Eugenio; Flores, Fernando Gabriel (2017-03)
    Article
    Accés restringit per política de l'editorial
    In this work a kinematics for laminated beams enriched with a refined formulation ZigZag (RZT), originally presented by Tessler et al. in 2007, introduced in a hierarchical one dimensional type “p” finite element is ...
  • A hierarchical perspective to fuzzy inductive reasoning: an attempt to obtain more understandable fuzzy inductive reasoning rules 

    Bagherpour, Solmaz; Múgica Álvarez, Francisco; Nebot Castells, M. Àngela (2015)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    Generalizing hypotheses based on the past data in order to predict the future is the essential core of human learning. Various successful methods and techniques have been developed so far that perform some sort of ...
  • A hierarchy of change-point methods for estimating the time instant of leakages in water distribution networks 

    Boracchi, Giacomo; Puig Cayuela, Vicenç; Roveri, Manuel (Springer-Verlag Berlin Heidelberg, 2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Leakages are a relevant issue in water distribution networks with severe effects on costs and water savings. While there are several solutions for detecting leakages by analyzing of the minimum night flow and the pressure ...
  • A High Availability platform design using Heartbeat and integration in a production environment 

    Iglesias Aparicio, Abraham (Universitat Politècnica de Catalunya, 2008-06-05)
    Projecte Final de Màster Oficial
    Accés obert
    Nowadays, the number of services in the Internet grows more and more. Hardware vendors bring to market more powerful and stable servers. Operative systems are becoming more robust and flexible offering loads of ...
  • A high dynamic-range RF programmable-gain front end for G.hn RF-Coax in 65-nm CMOS 

    Trulls Fortuny, Xavier; Mateo Peña, Diego; Bofill, Adrià (IEEE Microwave Theory and Techniques Society, 2012-10)
    Article
    Accés restringit per política de l'editorial
    A high-dynamic-range programmable-gain inductorless RF front end suitable for the RF-coax bandplan of the G.hn recommendation is presented. A double-input RF programmable gain amplifier (DI-RFPGA) with switchable capacitive ...
  • A high performance CRF model for clothes parsing 

    Simó Serra, Edgar; Fidler, Sanja; Moreno-Noguer, Francesc; Urtasun, Raquel (Springer, 2014)
    Text en actes de congrés
    Accés obert
    In this paper we tackle the problem of clothing parsing: Our goal is to segment and classify different garments a person is wearing. We frame the problem as the one of inference in a pose-aware Conditional Random Field ...
  • A High Speed Solution for Aircraft Ground Communications 

    Rodríguez Aguilera, Grace Mary (Universitat Politècnica de Catalunya, 2013-05-16)
    Projecte Final de Màster Oficial
    Accés restringit per decisió de l'autor
    [ANGLÈS] Aircraft Ground Communications are the different links used to exchange data when the plane is not flying (on ground). Nowadays there is a lack of options to transmit the big amount of data that is needed to be ...
  • A high-efficiency matching technique for low power levels in RF harvesting 

    Anchustegui Echearte, Iker; Jimenez Lopez, David; Gasulla Forner, Manuel; Giuppi, Francesco; Georgiadis, Apostolos (The Electromagnetics Academy, 2013)
    Text en actes de congrés
    Accés obert
    Radiofrequency (RF) energy can be harvested in order to power autonomous sensors either from the surrounding environment or from dedicated sources. A conventional RF harvester is mainly composed by an antenna, a matching ...
  • A High-level strategy for C-net discovery 

    Solé Simó, Marc; Carmona Vargas, Josep (2012)
    Report de recerca
    Accés obert
    Causal nets have been recently proposed as a suitable model for process mining, due to their declarative semantics and compact representation. However, the discovery of causal nets from a log is a complex problem. The ...
  • A high-productivity task-based programming model for clusters 

    Tejedor, Enric; Farreras Esclusa, Montserrat; Grove, David; Badia Sala, Rosa Maria; Almási, George; Labarta Mancho, Jesús José (2012-12-15)
    Article
    Accés restringit per política de l'editorial
    Programming for large-scale, multicore-based architectures requires adequate tools that offer ease of programming and do not hinder application performance. StarSs is a family of parallel programming models based on ...
  • A high-resolution UWB IR superregenerative receiver front end with an SRD quench shaper 

    Moncunill Geniz, Francesc Xavier; Bonet Dalmau, Jordi; Palà Schönwälder, Pere; Águila López, Francisco del; Giralt Mas, Ma. Rosa (2012-02-03)
    Article
    Accés restringit per política de l'editorial
    We present a simple receiver front end that makes use of the baseband superregeneration principle to detect ultrawideband (UWB) impulse radio signals. The UWB antenna is directly connected to the core circuit consisting ...
  • A high-speed capacitive-sensor interface using a relaxation oscillator and a fast counter 

    Gasulla Forner, Manuel; Li, Xiujun; Meijer, Gerard C. M. (Institute of Electrical and Electronics Engineers, 2003-05)
    Text en actes de congrés
    Accés obert
    This paper presents the analysis and experimental results on the jitter of a capacitive-sensor interface. The interface is implemented with a simple relaxation oscillator, a fast counter and a microcontroller. The goal ...
  • A higher-order behavioural algebraic institution for ASL 

    Mylonakis Pascual, Nicolás (2003-03-02)
    Report de recerca
    Accés obert
    In this paper, we generalise the semantics of ASL including the three behavioural operators for a fixed but arbitrary algebraic institution. After that, we define a behavioural algebraic institution which is used to ...
  • A Highest order hypothesis compatibility test for monocular SLAM 

    Guerra Paradas, Edmundo; Munguía Alcalá, Rodrigo Francisco; Bolea Monte, Yolanda; Grau Saldes, Antoni (2013-08)
    Article
    Accés obert
    Simultaneous Location and Mapping (SLAM) is a key problem to solve in order to build truly autonomous mobile robots. SLAM with a unique camera, or monocular SLAM, is probably one of the most complex SLAM variants, based ...
  • A highly scalable parallel implementation of H.264 

    Azevedo, Arnaldo; Juurlink, Ben; Meenderinck, Cor; Terechko, Andrei; Hoogerbrugge, Jan; Álvarez Mesa, Mauricio; Ramírez Bellido, Alejandro; Valero Cortés, Mateo (Springer Verlag, 2009-09-21)
    Article
    Accés restringit per política de l'editorial
    Developing parallel applications that can harness and efficiently use future many-core architectures is the key challenge for scalable computing systems. We contribute to this challenge by presenting a parallel implementation ...
  • A Highly time sensitive XOR gate for probe attempt detectors 

    Manich Bou, Salvador; Strasser, Martin (2013-09-05)
    Article
    Accés restringit per política de l'editorial
    Probe attempt detectors are sensors designed to protect buses of secure chips against the physical contact of probes. The operation principle of these detectors relies on the comparison of the delay propagation times ...
  • A highly-accurate low-power CMOS potentiostat for implantable biosensors 

    Razzaghpour, Milad; Rodriguez Duenas, Saul; Alarcón Cot, Eduardo José; Rusu, Ana (IEEE, 2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Current-mirror-based potentiostats suffer from systematic and random errors causing offset, gain and linearity error in reading out the sensor data. In this work, a new potentiostat topology is proposed to eliminate the ...
  • A highly-repeatable, broadband 180º phase switch for integrated MEMS processes 

    Llamas Morote, Marco Antonio; Girbau Sala, David; Ribó, M.; Pradell i Cara, Lluís; Giacomozzi, Flavio; Colpo, S.; Coccetti, Favio; Aouba, Stephane (2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    A broadband 0º/180º phase switch based on a slotline-coplanar-waveguide cross loaded with two MEMS switches in opposed (ON/OFF or OFF/ON) states, is reported. The fabrication was made on high-resistivity silicon substrates ...