Now showing items 1-20 of 577

    • 1-V 15-μW 130-nm CMOS super class AB OTA 

      López Martín, Antonio Upna Orcid; Algueta-Miguel, Jose M. Upna Orcid; Garde Luque, María Pilar Upna Orcid; Carvajal, Ramón G.; Ramírez-Angulo, Jaime (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      A super class AB recycling folded cascode amplifier in 130 nm CMOS is presented. It combines for the first time adaptive biasing of the differential input pair, nonlinear current mirrors with current starving and dynamic ...
    • A-priori flow bandwidth estimates for dynamic bandwidth allocation in ISP access links 

      Aracil Rico, Javier Upna; Morató Osés, Daniel Upna Orcid (2001)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper we study a-priori bandwidth estimation algorithms for TCP flows. An RTT-based bandwidth allocator is proposed, which outperforms a broad class of peak-rate and static allocation flow switching solutions. Our ...
    • About the intuitionistic fuzzy set generators 

      Bustince Sola, Humberto Upna Orcid; Mohedano Salillas, Victoria Upna (Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, 1997)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper form the definition of intuitionistic fuzzy sets we analyze the intuitionistic fuzzy generators and the complementation in these sets. We start by defining the intuitionistic fuzzy generators in order to then ...
    • Actitudes políticas y resultados electorales de Navarra desde 1977 

      Ayerdi Echeverri, Peio Upna (FEDHAV, 2010)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      El objetivo de este trabajo es presentar información sociológica sobre la evolu- ción de la vida política navarra en las últimas décadas, así como de sus espacios sociopolíticos y de su sistema de partidos. En primer ...
    • Active control for medium-frequency transformers flux-balancing in a novel three-phase topology for cascaded conversion structures 

      Lumbreras Magallón, David Upna Orcid; Barrios Rípodas, Ernesto Upna Orcid; Navarrete, Manuel; Balda Belzunegui, Julián; González Senosiain, Roberto Upna; Sanchis Gúrpide, Pablo Upna Orcid (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Efficiency and power density are important parameters in the design of power electronics converters. In many applications, low-frequency transformers are being substituted for medium-frequency and high-frequency transformers ...
    • Active damping based on the capacitor voltage positive-feedback for grid-connected power converters with LCL filter 

      Samanes Pascual, Javier Upna Orcid; Gubía Villabona, Eugenio Upna Orcid (IEEE, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The capacitor voltage positive-feedback is a widely extended active damping strategy. It can effectively damp the LCL output filter resonant poles for low ratios of resonance to sampling frequencies. However, the existing ...
    • Actores sociales y conflictos en las áreas de montaña en torno al desarrollo 

      Sanz Tolosana, Elvira Upna Orcid (2004)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Actualmente, el proyecto de creación de una estación de esquí en Larra (Roncal) ha favorecido un debate sobre su orientación futura y las estrategias para su revitalización. Un debate donde confluyen distintos actores ...
    • Actores sociales, oportunidades e incertidumbres del “estado local" 

      Oliva Serrano, Jesús Upna Orcid (2004)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Las transformaciones que experimentan las sociedades del cambio de siglo han abierto el mundo rural a tendencias, relaciones, oportunidades e incertidumbres impredecibles hace apenas unas décadas. Por un lado, los entornos ...
    • Additional feature layers from ordered aggregations for deep neural networks 

      Domínguez Catena, Iris Upna Orcid; Paternain Dallo, Daniel Upna Orcid; Galar Idoate, Mikel Upna Orcid (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In the last years we have seen huge advancements in the area of Machine Learning, specially with the use of Deep Neural Networks. One of the most relevant examples is in image classification, where convolutional neural ...
    • Addressing the issue of trust in elementary teachers' Maths-specific education: ANFoMAM project 

      Celi, Valentina; Cogolludo, José Ignacio; Gil Clemente, Elena; Lizasoain Iriso, María Inmaculada Upna Orcid; Gasca Millán, Ana; Moler Cuiral, José Antonio Upna Orcid; Regoliosi, Luig (Charles University (Chequia), 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      To improve primary school teachers' maths-specific education at university, our project will develop a series of workshops, as ready-to-use instruments, which closely consider children's way of learning and their relationship ...
    • Adjusting fuzzy automata for string similarity measuring 

      Astrain Escola, José Javier Upna Orcid; Villadangos Alonso, Jesús Upna Orcid; González de Mendívil Moreno, José Ramón Upna Orcid; Garitagoitia Padrones, José Ramón Upna; Fariña Figueredo, Federico Upna Orcid (EUSFLAT, 2001)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper, we introduce a fuzzy automaton for computing the similarity between pairs of strings and a genetic method for adjusting its parameters. The fuzzy automaton models the edit operations needed to transform ...
    • Adjustment of the fuzzy logic controller parameters of the energy management strategy of a grid-tied domestic electro-thermal microgrid using the Cuckoo search algorithm 

      Arcos Avilés, Diego; García Gutiérrez, Gabriel; Guinjoan Gispert, Francesc; Pascual Miqueleiz, Julio María Upna Orcid; Marroyo Palomo, Luis Upna Orcid (IEEE, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      During the last century, population growth, together with economic development, has considerably increased the energy demand and, although renewable energies are becoming an alternative, still total energy supply is mainly ...
    • Agent-based simulation improves e-grocery deliveries using horizontal cooperation 

      Serrano Hernández, Adrián Upna Orcid; Faulín Fajardo, Javier Upna Orcid; Torre, Rocío de la Upna Orcid; Cadarso, Luis (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      E-commerce has increased tremendously in recent decades because of improvements in the information and telecommunications technology along with changes in societal lifestyles. More recently, e-grocery (groceries purchased ...
    • Aggregation functions based on the Choquet integral applied to image resizing 

      Bueno, Jéssica C. S.; Dias, Camila A.; Pereira Dimuro, Graçaliz Upna Orcid; Santos, Helida; Bustince Sola, Humberto Upna Orcid (Atlantis Press, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The rising volume of data and its high complexity has brought the need of developing increasingly efficient knowledge extraction techniques, which demands efficiency both in computational cost and in accuracy. Most of ...
    • Agua dulce para refrigeración: las necesidades hídricas de las centrales nucleares en España 

      Sesma Martín, Diego Upna Orcid (2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Objetivo: hacer una primera estimación de las necesidades hídricas de las centrales nucleares españolas desde 1969 hasta 2014. El objetivo es, por tanto, calcular el uso consuntivo del agua (la cantidad de agua evaporada, ...
    • Agua dulce para refrigeración: una visión a largo plazo de la huella hídrica de las centrales nucleares en España 

      Sesma Martín, Diego Upna Orcid; Rubio Varas, María del Mar Upna Orcid (2016)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Objectives: our research pioneers a first approximation to the water footprint of the Spanish nuclear power plants operating with freshwater from 1969 to the present. Our aim is to calculate the consumptive use of water ...
    • Agua para producción termoeléctrica en la Cuenca del Ebro, 1969-2015 

      Sesma Martín, Diego Upna Orcid (2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Este estudio evalúa las necesidades de agua para la generación de energía termoeléctrica en la Cuenca del Ebro. Mediante el cálculo de las demandas y consumos de agua para generación termoeléctrica en la región, este estudio ...
    • Alimentadores gaussianos en guía de onda rectangular 

      Teniente Vallinas, Jorge Upna Orcid; Gonzalo García, Ramón Upna Orcid; Río Bocio, Carlos del Upna Orcid (1999)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      A new and efficient design of a rectangular corrugated waveguide mode converter, from TE10 mode in a smooth rectangular monomode waveguide to HE11 mode in a corrugated rectangular waveguide, is proposed. The main idea ...
    • All-metallic ε-near-zero (ENZ) lens based on ultra-narrow hollow rectangular waveguides: experimental results 

      Orazbayev, Bakhtiyar Upna Orcid; Torres Landívar, Víctor Upna; Pacheco-Peña, Víctor Upna Orcid; Falcone Lanas, Francisco Javier Upna Orcid; Teniente Vallinas, Jorge Upna Orcid; Beruete Díaz, Miguel Upna Orcid; Sorolla Ayza, Mario Upna; Navarro Cía, Miguel Upna Orcid; Engheta, Nader (IEEE, 2014)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Here we perform numerical and experimental investigation of plano-concave all-metallic ε-near-zero (ENZ) lens with operational frequency f = 144 GHz. The ENZ lens is achieved by stacking an array of narrow hollow rectangular ...
    • Along-the-path exponential integration for Floquet stability analysis of wind turbines 

      Ros Ganuza, Javier Upna Orcid; Olcoz Alonso, Álvaro; Plaza Puértolas, Aitor Upna Orcid (IOP Publishing, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Traditionally, stability assessment of wind turbines has been performed by eigenanalysis of the azimuthally-averaged linearized system after applying the Multi-Blade Coordinate (MBC) transformation. However, due to ...