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    • Gaigabeziak dituzten pertsonen egoera ulertzeko tresna den O.M.E.ren gaigabeziaren eta osasunaren funtzionamenduaren sailkapen internazionalaren ekarpenak 

      Aparicio Ágreda, María Lourdes Upna (Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa, 2004)   Artículo / Artikulua  OpenAccess
      El presente artículo presenta, de forma breve, la nueva conceptualización acerca de la discapacidad expuesta por la Organización Mundial de la Salud en su “Clasificación Internacional del Funcionamiento, de la Discapacidad ...

    • Gain dependence of the phase-shift spectra measured in coherent Brillouin optical time-domain analysis sensors 

      Mariñelarena Ollacarizqueta, Jon Upna Orcid; Urricelqui Polvorinos, Javier Upna Orcid; Loayssa Lara, Alayn Upna Orcid (IEEE, 2016)   Artículo / Artikulua  OpenAccess
      We report on the effects of large pump pulse powers on Brillouin optical time-domain analysis (BOTDA) sensors based on phase-modulated probe wave and coherent self-heterodyne detection. These sensors are particularly ...

    • Gain improvement of dual band antenna based on complementary rectangular split-ring resonator 

      Ortiz Pérez de Eulate, Noelia Upna; Falcone Lanas, Francisco Javier Upna Orcid; Sorolla Ayza, Mario Upna (Hindawi / Wiley, 2012)   Artículo / Artikulua  OpenAccess
      A simple and successful dual band patch linear polarized rectangular antenna design is presented. The dual band antenna is designed etching a complementary rectangular split-ring resonator in the patch of a conventional ...

    • Gain-boosted super class AB OTAs based on nested local feedback 

      Beloso Legarra, Javier Upna Orcid; Cruz Blas, Carlos Aristóteles de la Upna Orcid; López Martín, Antonio Upna Orcid; Ramírez-Angulo, Jaime (IEEE, 2021)   Artículo / Artikulua  OpenAccess
      A new approach to design super class AB operational transcon-ductance amplifiers (OTAs) with enhanced large-signal and small-signal performance is presented. It is based on employing two nested positive and negative feedback ...

    • Gait speed as a mediator of the effect of sarcopenia on dependency in activities of daily living 

      Pérez Sousa, Miguel A.; Venegas Sanabria, Luis Carlos; Chavarro Carvajal, Diego Andrés; Cano Gutiérrez, Carlos Alberto; Izquierdo Redín, Mikel Upna Orcid; Correa Bautista, Jorge Enrique; Ramírez Vélez, Robinson Upna Orcid (Wiley, 2019)   Artículo / Artikulua  OpenAccess
      Background: Sarcopenia in older adults is strongly associated with an increase in dependency in activities of daily living (ADL) and with a decline in gait speed. Interestingly, gait speed has been shown to independently ...

    • Game, set and match: the favorite long-shot bias in tennis betting exchanges 

      Abinzano Guillén, María Isabel Upna Orcid; Muga Caperos, Luis Fernando Upna Orcid; Santamaría Aquilué, Rafael Upna Orcid (Taylor & Francis, 2016)   Artículo / Artikulua  OpenAccess
      We test for the existence of Favorite-Longshot Bias (FLB) in tennis betting exchanges. Despite these being order-driven markets, with no direct participation from bookmakers, we have found very similar results to those ...

    • Gamification and a low-cost laboratory equipment aimed to boost vapor compresion refrigeration learning 

      Aranguren Garacochea, Patricia Upna Orcid; Sánchez García-Vacas, Daniel; Casi Satrústegui, Álvaro Upna Orcid; Araiz Vega, Miguel Upna Orcid; Catalán Ros, Leyre Upna Orcid (OmniaScience, 2022)   Artículo / Artikulua  OpenAccess
      The nowadays European educational framework boosts applying the learned theoretical concepts to real situations. Hence, practice sessions are key resources to present students direct applications of the theoretical concepts ...

    • Gamification for photonics students: labescape 

      Pérez Herrera, Rosa Ana Upna Orcid; Tainta Ausejo, Santiago Upna Orcid; Elosúa Aguado, César Upna Orcid (MDPI, 2021)   Artículo / Artikulua  OpenAccess
      The idea of utilizing game elements in non-gaming situations has sparked a lot of attention in recent years, especially in topics such as education and training. Game-based techniques appear to be an increasing trend in a ...

    • Gamified family-based health exercise intervention to improve adherence to 24-h movement behaviors recommendations in children: "3, 2, 1 Move on Study" 

      Alonso Martínez, Alicia Upna Orcid; Legarra Gorgoñón, Gaizka; García Alonso, Yesenia Upna Orcid; Ramírez Vélez, Robinson; Alonso Martínez, Loreto; Erice Echegaray Blanca; Izquierdo Redín, Mikel (BMC, 2023)   Artículo / Artikulua  OpenAccess
      Background Evidence suggests that movement patterns, including physical activity, sedentary behavior, and sleep duration, throughout a 24-h period, have a signifcant impact on biological processes and health outcomes for ...

    • Gamma radiation-induced effects over an optical fiber laser: towards new sensing applications 

      Pérez Herrera, Rosa Ana Upna Orcid; Stancalie, Andrei; Cabezudo Sánchez-Valverde, Pablo Miguel; Sporea, Dan; López-Amo Sáinz, Manuel Upna Orcid (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      In the present work, the effect of gamma radiation on the performance of different types of erbium-doped fibers (EDFs) when they are used in a fiber ring cavity (FRC) configuration is studied. Several pieces of commercial ...

    • Gap waveguide topology with reduced height pins for millimeter-wave components 

      Santiago Arriazu, David; Gómez Laso, Miguel Ángel Upna Orcid; Lopetegui Beregaña, José María; Arregui Padilla, Iván Upna Orcid (URSI Publications, 2022)   Artículo / Artikulua  OpenAccess
      A new topology for groove gap waveguide (GGW) technology is proposed to ease its manufacturing process by computer numerical control (CNC) milling. GGW technology consists of two metal plates, where one of them presents a ...

    • A gap waveguide-based compact rectangular waveguide to a packaged microstrip inline transition 

      Pérez Escudero, José Manuel Upna Orcid; Torres García, Alicia E. Upna Orcid; Gonzalo García, Ramón Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      In this paper two different simple to design and easy to manufacturing transitions from a microstrip to rectangular waveguide based on ridge and groove gap waveguides are studied. The first one is based on a combination ...

    • Garai arkaikoko euskara nafarraren lekukotasun berriak: gehiketak eta zuzenketak F. Maioraren liburuari 

      Santazilia Salvador, Ekaitz Upna Orcid (Gobierno de Navarra. Institución Príncipe de Viana, 2015)   Artículo / Artikulua  OpenAccess
      F. Maiora publicó en 2011 el libro Reino de Navarra. Euskera: injurias, coplas, frases. Esta colección de textos euskéricos antiguos encontrados de manera diseminada en el Archivo General de Navarra tiene una importancia ...

    • Gas detection using LMR-based optical fiber sensors 

      Dreyer, Uilian José; Ozcariz Celaya, Aritz Upna Orcid; Ascorbe Muruzabal, Joaquín Upna Orcid; Zubiate Orzanco, Pablo Upna Orcid; Vitoria Pascual, Ignacio Upna Orcid; Martelli, Cicero; Cardozo da Silva, Jean Carlos; Ruiz Zamarreño, Carlos Upna Orcid (MDPI, 2018)   Artículo / Artikulua  OpenAccess
      This work presents a first approach to the utilization of Lossy Mode Resonance (LMR) based optical fiber sensors for gas detection. The optical sensor is based on a SnO2 thin-film fabricated onto the core of cladding ...

    • Gas sensor based on lossy mode resonances by means of thin graphene oxide films fabricated onto planar coverslips 

      Vitoria Pascual, Ignacio Upna Orcid; Gallego Martínez, Elieser Ernesto; Melendi Espina, Sonia; Hernáez Sáenz de Zaitigui, Miguel Upna Orcid; Ruiz Zamarreño, Carlos Upna Orcid; Matías Maestro, Ignacio Upna Orcid (MDPI, 2023)   Artículo / Artikulua  OpenAccess
      The use of planar waveguides has recently shown great success in the field of optical sensors based on the Lossy Mode Resonance (LMR) phenomenon. The properties of Graphene Oxide (GO) have been widely exploited in various ...

    • Gaseous fueling of an adapted commercial automotive spark-ignition engine: simplified thermodynamic modeling and experimental study running on hydrogen, methane, carbon monoxide and their mixtures 

      Urroz Unzueta, José Carlos Upna Orcid; Diéguez Elizondo, Pedro Upna Orcid; Arzamendi Manterola, María Cruz Upna Orcid; Arana Burgui, Miguel Upna Orcid; Gandía Pascual, Luis Upna Orcid (Elsevier, 2023)   Artículo / Artikulua  OpenAccess
      In the present work, methane, carbon monoxide, hydrogen and the binary mixtures 20 % CH4–80 % H2, 80 % CH4–20 % H2, 25 % CO–75 % H2 (by volume) were considered as fuels of a naturally aspirated port-fuel injection four-cylinder ...

    • Gasohol quality control for real time applications by means of a multimode interference fiber sensor 

      Rodríguez Rodríguez, Adolfo Josué; Baldovino Pantaleón, Oscar; Cruz, René; Ruiz Zamarreño, Carlos Upna Orcid; Matías Maestro, Ignacio Upna Orcid; May Arrioja, Daniel A. (MDPI, 2014)   Artículo / Artikulua  OpenAccess
      In this work we demonstrate efficient quality control of a variety of gasoline and ethanol (gasohol) blends using a multimode interference (MMI) fiber sensor. The operational principle relies on the fact that the addition ...

    • Gaze tracking system model based on physical parameters 

      Villanueva Larre, Arantxa Upna Orcid; Cabeza Laguna, Rafael Upna Orcid; Porta Cuéllar, Sonia Upna Orcid (World Scientific Publishing, 2007)   Artículo / Artikulua  OpenAccess
      In the past years, research in eye tracking development and applications has attracted much attention and the possibility of interacting with a computer employing just gaze information is becoming more and more feasible. ...

    • Gender differences in alternating-offer bargaining: an experimental study 

      Hernández Arenaz, Íñigo Upna; Iriberri, Nagore (Sringer, 2023)   Artículo / Artikulua  OpenAccess
      A laboratory study was carried out to analyze the relationship between ambiguity regarding the sharing norms in structured alternating-ofer bargaining and gender diferences in bargaining. Symmetric environments, where a ...

    • Gender differences in drug-addicted patients in a clinical treatment center of Spain 

      Fernández-Montalvo, Javier Upna Orcid; López-Goñi, José Javier Upna Orcid; Azanza Álvarez, Paula Upna; Cacho Fernández, Raúl Upna Orcid (Wiley, 2014)   Artículo / Artikulua  OpenAccess
      Background and objectives: This study explored the characteristics of a representative sample of patients who were addicted to drugs and analyzed the differential profile of addicted women and men. Methods: A sample of 195 ...
      El Repositorio ha recibido la ayuda de la Fundación Española para la Ciencia y la Tecnología para la realización de actividades en el ámbito del fomento de la investigación científica de excelencia, en la Línea 2. Repositorios institucionales (convocatoria 2020-2021).
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