Now showing items 323-342 of 383

    • Relative humidity multi-point optical sensors system based on Fast Fourier multiplexing technique 

      López Aldaba, Aitor Upna; López Torres, Diego Upna; Elosúa Aguado, César Upna; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; Arregui San Martín, Francisco Javier Upna; López-Amo Sáinz, Manuel Upna (SPIE, 2017)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper, a new multipoint optical fiber system for relative humidity measurements based on Sn02-FP (Fabry-Pérot) sensing heads and an optical interrogator as single active device is presented and characterized. The ...
    • Religious minorities in Spain. A new model of relationships? 

      Torres Gutiérrez, Alejandro Upna (2002)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The enactment of the Spanish Constitution of 1978 supposed a new model of relationships between the State and the religious groups, abandoning the traditional model of interactions between the Catholic Church and the State. ...
    • Requisitos del ingreso de personas mayores en centros residenciales 

      Elizari Urtasun, Leyre Upna (Centro de Estudios en Bioderecho, Ética y Salud (CEBES), 2017)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      La forma en que se produce el ingreso de personas mayores en centros residenciales es una cuestión importante en una sociedad que afronta un proceso de envejecimiento y un aumento del número de personas que precisan de un ...
    • Research on metamaterials for antenna applications 

      Gonzalo García, Ramón Upna; Ederra Urzainqui, Íñigo Upna; Iriarte Galarregui, Juan Carlos Upna; Martínez Pascual, Beatriz Upna; Sáenz Sáinz, Elena Upna; Cantora Álvarez, Pablo; Maagt, Peter de (2005)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      During the last 20 years a lot of attention has been paid to apply Electromagnetic Band Gap (EBG) technology in different frequency ranges, from microwaves to optics. EBG technology is based on the use of periodic structures ...
    • Resolución de alias para el cálculo de topologías 

      García-Jiménez, Santiago Upna; Magaña Lizarrondo, Eduardo Upna; Izal Azcárate, Mikel Upna; Morató Osés, Daniel Upna (2007)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The network topology is a fundamental parameter for managers and researchers. The traditional methodology for discovering the topology of a network is based on the tool traceroute, used from several vantage points in ...
    • Resolution capabilities of future THz cameras 

      Lizarraga Cubillos, Juan Camilo Upna; Río Bocio, Carlos del Upna (2010)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      THz technology for developing imaging systems has recently aroused great interest, mainly due to the large number of applications in which these frequencies can be used: security, vision in hard environments, etc. In this ...
    • Respuesta EBG en microondas: ¿efecto Bragg o simplemente resonadores? 

      Ibáñez Loinaz, Asier; Río Bocio, Carlos del Upna (2004)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      A rigorous consideration of the EBG structures filtering effect at the microwave frequency range will be performed in this paper. We will show that in that frequency range, the periodic structure filtering (or Bragg ...
    • Resultados experimentales de la mejora de potencia radiada por un dipolo mediante un superstrato left-handed 

      Sáenz Sáinz, Elena Upna; Gonzalo García, Ramón Upna; Ederra Urzainqui, Íñigo Upna; Maagt, Peter de (2006)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper a comparison between the measured radiation performances of a single dipole and a dipole with a left handed superstrate based on a finite periodic repetition of a unit cell is presented. First of all the ...
    • The role of adults in children digital literacy 

      Peñalva Vélez, Alicia Upna; Leiva Olivencia, Juan José; Irazabal Zuazua, Itziar Upna (Elsevier, 2017)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Collected data from different studies show how users acquire great skills in terms of technology’s use, but they don’t gain such skills in a safe use of technology. The objective of this study is to identify the level of ...
    • SCATTMAT: a mode matching and generalized scattering matrix code for personal computers in a windows environment 

      Liberal, Antonio; Río Bocio, Carlos del Upna; Gonzalo García, Ramón Upna; Sorolla Ayza, Mario Upna (1997)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper, a computer aided design tool is presented to simulate symmetrical radially deformed circular waveguide microwave components. This tool works with the well-known “Mode Matching and Scattering Matrix” ...
    • SCATTMAT: herramienta C.A.D. para el análisis de componentes en guía de onda circular con variaciones simétricas del radio 

      Liberal, Antonio; Lahera, Miguel; Río Bocio, Carlos del Upna; Gonzalo García, Ramón Upna; Sorolla Ayza, Mario Upna (1996)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper, a C.A.D. tool to simulate simmetrical radial deformation microwave devices, using the modal analysis and scattering matrix techniques is presented. The code has been developed in C++ language, working with ...
    • Sculpting metals for anomalous transmission phenomena, complex waves and negative refractive metamaterials: underlying physics and applications 

      Navarro Cía, Miguel Upna (2011)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this talk, the potential of controlling the electromagnetic propagation by periodically-textured surfaces is reviewed. It is shown that backward-wave- and slow-wave-propagation, superluminal, effective negative ...
    • El sector de automoción en Navarra: análisis de la dependencia de la economía regional 

      Erro Garcés, Amaya Upna (Gobierno de Navarra, Departamento de Economía y Hacienda, 2003)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      El objetivo del presente trabajo consiste en la obtención de medidas del grado de dependencia de la economía navarra; dependencia con respecto al sector de automoción, dependencia con respecto a los distintos ensambladores ...
    • Selection of Pleurotus ostreatus strains in a genetic breeding program 

      Idareta Olagüe, Eneko Upna; Jurado Cabanillas, Javier Upna; Pisabarro de Lucas, Gerardo Upna; Ramírez Nasto, Lucía Upna (Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa, 2006)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The basidiomycete Pleurotus ostreatus, commonly known as oyster mushroom, is the second largest edible mushroom crop behind the white button mushroom, Agaricus bisporus. It accounts for nearly one-quarter of the ...
    • Sensing in coin discriminators 

      Carlosena García, Alfonso Upna; López Martín, Antonio Upna; Arizti, Fernando; Martínez de Guereñu, Ane; Pina Insausti, José L.; García Sayés, Miguel (IEEE, 2007)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      This paper describes the technologies used in coin discriminator devices, stressing the improvements and novel mechanisms introduced by the authors in the past few years as a result of the cooperation with one leading ...
    • Servicio de armas en los fueros medievales de Vasconia: fonsado/hueste, cabalgada y apellido 

      Jimeno Aranguren, Roldán Upna (FEDHAV, 2007)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Los fueros locales y territoriales de Vasconia contienen numerosos preceptos que regulan la defensa de las villas y ciudades o del territorio. Se analizarán el fonsado o hueste (obligación de acudir a la expedición ...
    • A simple passive method to estimate RTT in high bandwidth-delay networks 

      Prieto Suárez, Iria Upna; Izal Azcárate, Mikel Upna; Magaña Lizarrondo, Eduardo Upna; Morató Osés, Daniel Upna (IARIA, 2015)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      This paper presents a simple passive algorithm to estimate the Round-Trip-Time (RTT) of a TCP connection in high bandwidth-delay network scenarios. In these scenarios, a passive RTT estimator that can be used on captured ...
    • Simplified Brillouin sensor for structural health monitoring applications based on passive optical filtering 

      Iribas Pardo, Haritz Upna; Urricelqui Polvorinos, Javier Upna; Mariñelarena Ollacarizqueta, Jon Upna; Sagüés García, Mikel Upna; Loayssa Lara, Alayn Upna (SPIE, 2015)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      We present a simplified configuration for distributed Brillouin optical time domain analysis sensors. The technique is based on passive optical filtering of the spectral components generated in an RF-pulse-modulated optical ...
    • Simultaneous and quasi-independent strain and temperature sensor based on microstructured optical fiber 

      López Aldaba, Aitor Upna; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel Upna (SPIE, 2017)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper, a new sensor system for simultaneous and quasi-independent strain and temperature measurements is presented. The interrogation of the sensing head has been carried out by monitoring the FFT phase variations ...
    • Simultaneous temperature and vibration monitoring using an all-PM fiber loop mirror interferometer 

      Leandro González, Daniel Upna; López-Amo Sáinz, Manuel Upna (SPIE, 2017)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this work, an all-polarization maintaining fiber loop mirror interferometer is presented and validated as vibration and temperature sensor without crosstalk between measurands. The system is entirely built using ...