Now showing items 39815-39834 of 77073

  • Improving performances during the station keeping 

    Pujol Barricarte, Xavier (Universitat Politècnica de CatalunyaInstitut Supérieur de l’Aéronautique et de l’Espace, 2008)
    Master thesis (pre-Bologna period)
    Restricted access - confidentiality agreement
    Nowadays, antennas and reflectors tracking over a satellite are realized pointing the whole main body using the attitude and orbit control system (AOCS). During the orbital restitution maneuver, Chemical Station Keaping ...
  • Improving performances of the supply chain in the Corpus Strip Production factory in Port Talbot (UK) 

    Ferrer i Catasús, Pol (Universitat Politècnica de CatalunyaÉcole des Mines de Paris, 2008)
    Master thesis (pre-Bologna period)
    Restricted access - confidentiality agreement
    Corus Strip Products UK, appartenant au groupe Tata, est un acteur majeur de la production d’acier en Europe. Sur le site de Port Talbot, au Pays de Galles, des bobines d’acier sont laminées à chaud puis à froid après ...
  • Improving prevalence estimation through data fusion: methods and validation 

    Aluja Banet, Tomàs; Daunis Estadella, Josep; Brunsó, Núria; Mompart Penina, Anna (2015-06-24)
    Article
    Open Access
    Estimation of health prevalences is usually performed with a single survey. Some attempts have been made to integrate more than one source of data. We propose here to validate this approach through data fusion. Data Fusion ...
  • Improving probability distributions for resource levels from master surgery tactical plans for emergency and elective patients 

    Tord Gomis, Marta De (Universitat Politècnica de CatalunyaTechnische Universiteit Eindhoven, 2011)
    Master thesis (pre-Bologna period)
    Open Access
    Efficiency and patient satisfaction are two of the most important factors for a hospital; in order to be competitive these two factors have to be improved. Tactical admission plans are focused on increasing efficiency, but ...
  • Improving processes in a hospital using Lean techniques: A case study conducted at an internal medicine division 

    Hannesdóttir, Lára (Universitat Politècnica de Catalunya, 2014-09)
    Master thesis
    Restricted access - author's decision
    Many healthcare institutions are being under the pressure to lower cost as governments are looking for ways to reduce healthcare spending due to the current economic climate. Lean thinking is getting more attention globally ...
  • Improving quality model construction through knowledge reuse 

    Carvallo Vega, Juan Pablo; Franch Gutiérrez, Javier; Quer Bosor, Maria Carme (2015)
    Conference report
    Open Access
    Software quality models provide a framework to measure and evaluate software quality of software systems. They are the basis upon which classify requirements and may be eventually used to guide the quantification of these ...
  • Improving radar rainfall measurement stability using mountain returns in real time. 

    Sempere Torres, Daniel; Sánchez-Diezma Guijarro, Rafael; Berenguer Ferrer, Marc; Pascual Berghaenel, Ramon; Zawadzki, Isztar (American Meteorological Society, 2003)
    Conference report
    Open Access
  • Improving reactive routing on wireless multirate ad-hoc networks 

    Paoliello Guimarães, Rafael; Cerdà Alabern, Llorenç (2007)
    Conference report
    Open Access
    Traditional ad-hoc routing protocols typically choose minimum hop paths for transmissions. In a multi-rate environment, where nodes may elect between several transmission rates in order to accommodate different ...
  • Improving reliability of JXTA-overlay P2P platform: a comparison study for two fuzzy-based systems 

    Liu, Yi; Sakamoto, Shinji; Matsuo, Keita; Ikeda, Makoto; Barolli, Leonard; Xhafa Xhafa, Fatos (2015)
    Article
    Open Access
    In P2P systems, each peer has to obtain information of other peers and propagate the information to other peers through neighboring peers. Thus, it is important for each peer to have some number of neighbor peers. Moreover, ...
  • Improving retrieval accuracy of Hierarchical Cellular Trees for generic metric spaces 

    Ventura Royo, Carles; Vilaplana Besler, Verónica; Giró Nieto, Xavier; Marqués Acosta, Fernando (2013-09)
    Article
    Restricted access - publisher's policy
    Abstract Metric Access Methods (MAMs) are indexing techniques which al- low working in generic metric spaces. Therefore, MAMs are specially useful for Content-Based Image Retrieval systems based on features which use ...
  • Improving risk management for flash floods and debris flow events 

    Uijlenhoet, Remko; Sempere Torres, Daniel; Velasco Montes, David; Berenguer Ferrer, Marc; Bateman Pinzón, Allen; Germann, Urs; Thielen, Jutta; Beven, K.; Zappa, Massimiliano; Demarchi, M.; Bertoli, M.; Gaechter, M.; Velasco, E.; Wittwer, C.; Sánchez-Diezma Guijarro, Rafael; Vilaclara, E.; Pegram, Geoffrey; Papa, M.; Escaler, I.; Lombardi, G.; Santiago, A.; Zawadzki, Isztar (Royal Society of Chemistry, 2010)
    Part of book or chapter of book
    Restricted access - publisher's policy
  • Improving security in cache memory by power efficient scrambling technique 

    Neagu, Madalin; Miclea, Liviu; Manich Bou, Salvador (2015-04-08)
    Article
    Restricted access - publisher's policy
    The last decade has recorded an increase in security protocols for integrated circuits and memory systems, because of device specific attacks such as side-channel monitoring and cold boot and also because sensitive information ...
  • Improving selective thermal emission properties of three-dimensional macroporous silicon through porosity tuning 

    Garin Escriva, Moises; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; Alcubilla González, Ramón; Marquier, F.; Arnold, C.; Greffet, J.-J. (American Institute of Physics, 2008-08-27)
    Article
    Restricted access - publisher's policy
    We present a theoretical and experimental study on the effect of progressive porosity increase, through multiple oxidation/oxide removal steps, upon the optical characteristics in threedimensional macroporous silicon. ...
  • Improving shortest paths in the Delaunay triangulation 

    Abellanas, Manuel; Claverol Aguas, Mercè; Hernández-Peñalver, Gregorio; Hurtado Díaz, Fernando Alfredo; Sacristán Adinolfi, Vera; Saumell Mendiola, Maria; Silveira, Rodrigo Ignacio (2012)
    Article
    Open Access
    We study a problem about shortest paths in Delaunay triangulations. Given two nodes s, t in the Delaunay triangulation of a point set P, we look for a new point p that can be added, such that the shortest path from s to ...
  • Improving small area estimation by combining surveys: new perspectives in regional statistics. 

    Costa, Àlex; Satorra, A.; Ventura, Eva (Institut d'Estadística de Catalunya, 2006)
    Article
    Open Access
    A national survey designed for estimating a specific population quantity is sometimes used for estimation of this quantity also for a small area, such as a province. Budget constraints do not allow a greater sample size ...
  • Improving smoothed particle hydrodynamics with an integral approach to calculating gradients 

    García Senz, Domingo; Cabezón Gómez, Rubén Martín; Escartín Vigo, José Antonio (2012-01-26)
    Article
    Open Access
    Context. The smoothed particle hydrodynamics (SPH) technique is a well-known numerical method that has been applied to simulate the evolution of a wide variety of systems. Modern astrophysical applications of the method ...
  • Improving social capital: a social network monitoring system 

    Monguet Fierro, José María; Ojeda Rodríguez, Jordi; Cadima, Rita; Ferreira, Carlos (2010-12-13)
    Article
    Open Access
    To increase communication and collaboration opportunities, members of a community must be aware of the social networks that exist within that community. This paper describes a social network monitoring system that enables ...
  • Improving soft frequency reuse for realistic OFDMA-based cellular deployments 

    González González, David; García Lozano, Mario; Ruiz Boqué, Sílvia; Lee, DongSeop (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Conference report
    Restricted access - publisher's policy
    Effective interference management is a technical challenge of utmost importance for emerging OFDMA-based technologies such as Long Term Evolution (LTE) and Worldwide Interoperability for Microwave Access (WiMAX). Static ...
  • Improving sparsity in online kernel models 

    Orihuela Salvatierra, Helena (Universitat Politècnica de Catalunya, 2013-09-14)
    Master thesis
    Open Access
    In this thesis, background theory about the online kernel-based algorithms and their use for online learning is presented. The analysis of the state-ofthe- art methods highlights an important drawback in many kernel ...
  • Improving statistical machine translation through adaptation and learning 

    Henriquez Q., Carlos A. (Universitat Politècnica de Catalunya, 2014-03-07)
    Doctoral thesis
    Open Access