• Electromyographic, cerebral, and muscle hemodynamic responses during intermittent, isometric contractions of the biceps brachii at three submaximal intensities 

      Bhambhani, Yagesh; Fan, Jui Lin; Place, Nicolas; Rodríguez Falces, Javier Upna Orcid; Kayser, Bengt (Frontiers Media, 2014)   Artículo / Artikulua  OpenAccess
      This study examined the electromyographic, cerebral and muscle hemodynamic responses during intermittent isometric contractions of biceps brachii at 20, 40, and 60% of maximal voluntary contraction (MVC). Eleven volunteers ...
    • Electronic controlled device for the analysis and design of photovoltaic systems 

      Sanchis Gúrpide, Pablo Upna Orcid; López Taberna, Jesús Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid; Marroyo Palomo, Luis Upna Orcid (IEEE, 2005)   Artículo / Artikulua  OpenAccess
      The characterization and design of photovoltaic systems is a difficult issue due to the variable operation atmospheric conditions. With this aim, simulators and measurement equipments have been proposed. However, most of ...
    • Enabling personal privacy for pervasive computing environments 

      Alcalde Bagüés, Susana Upna; Zeidler, Andreas; Klein, Cornel; Fernández Valdivielso, Carlos Upna; Matías Maestro, Ignacio Upna Orcid (Graz University of Technology, IICM, 2010)   Artículo / Artikulua  OpenAccess
      Protection of personal data in the Internet is already a challenge today. Users have to actively look up privacy policies of websites and decide whether they can live with the terms of use. Once discovered, they are ...
    • End-of-fiber signals strongly influence the first and second phases of the M wave in the vastus lateralis: implications for the study of muscle excitability 

      Rodríguez Falces, Javier Upna Orcid; Place, Nicolas (Frontiers Media, 2018)   Artículo / Artikulua  OpenAccess
      It has been recurrently observed that, for compound muscle action potentials (M wave) recorded over the innervation zone of the vastus lateralis, the descending portion of the first phase generally shows an 'inflection' ...
    • Energy management strategy for a battery-diesel stand-alone system with distributed PV generation based on grid frequency modulation 

      Urtasun Erburu, Andoni Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Barricarte Rivas, David Upna; Marroyo Palomo, Luis Upna Orcid (Elsevier, 2014)   Artículo / Artikulua  OpenAccess
      A hybrid PV-Battery-Diesel configuration is very attractive for stand-alone systems in terms of cost and reliability. In many applications, the battery and the diesel generator are centralized and generate the AC grid while ...
    • Enhancement of sensitivity in long period fiber gratings with deposition of low refractive index materials 

      Del Villar, Ignacio Upna Orcid; Matías Maestro, Ignacio Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid (Optical Society of America, 2005)   Artículo / Artikulua  OpenAccess
      It was proved [Opt. Lett. 30, 720 (2005)] that the deposition of an overlay of higher refractive index than that of the cladding on a long-period fiber grating (LPFG) causes large shifts in the attenuation bands induced by ...
    • Enhancement of the dynamic range in slope-assisted coherent brillouin optical time-domain analysis sensors 

      Mariñelarena Ollacarizqueta, Jon Upna Orcid; Urricelqui Polvorinos, Javier Upna Orcid; Loayssa Lara, Alayn Upna Orcid (IEEE, 2017)   Artículo / Artikulua  OpenAccess
      We present two techniques that provide an extension of the dynamic range of coherent Brillouin optical time-domain analysis (BOTDA) sensors for dynamic measurements. This type of BOTDA sensors rely on self-heterodyne ...
    • Enhancing sensitivity of photonic crystal fiber interferometric humidity sensor by the thickness of SnO2 thin films 

      López Torres, Diego Upna Orcid; Elosúa Aguado, César Upna Orcid; Villatoro, Joel; Zubia, Joseba; Rothhardt, Manfred; Schuster, Kay; Arregui San Martín, Francisco Javier Upna Orcid (Elsevier, 2017)   Artículo / Artikulua
    • eOftalmología: estado actual y tendencias futuras 

      Andonegui Navarro, José Upna; Serrano Arriezu, Luis Javier Upna Orcid; Eguzkitza Diego, Aitor Upna (Gobierno de Navarra, 2010)   Artículo / Artikulua  OpenAccess
      La eSalud se puede definir como el uso de las tecnologías de la información y las comunicaciones para proporcionar o apoyar un diverso grupo de actividades relacionadas con la atención en salud. Si este concepto se ...
    • Epsilon-near-zero metalenses operating in the visible 

      Pacheco-Peña, Víctor Upna Orcid; Navarro Cía, Miguel Upna Orcid; Beruete Díaz, Miguel Upna Orcid (Elsevier, 2016)   Artículo / Artikulua  OpenAccess
      Several converging lenses working in the permittivity near to zero (ENZ) regime at optical frequencies are designed using an array of metal-dielectric-metal plasmonic waveguides. These plasmonic waveguides show a dispersive ...
    • ESA-based in-fiber nanocavity for hydrogen–peroxide detection 

      Del Villar, Ignacio Upna Orcid; Matías Maestro, Ignacio Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Claus, Richard O. (IEEE, 2005)   Artículo / Artikulua  OpenAccess
      A fiber-optic sensor sensitive to hydrogen peroxide has been designed based on the electrostatic layer-by-layer selfassembly method. Prussian blue has been deposited in a polymeric structure formed by Poly(allylamine ...
    • Estimation of radiofrequency power leakage from microwave ovens for dosimetric assessment at nonionizing radiation exposure levels 

      López Iturri, Peio Upna Orcid; Miguel Bilbao, Silvia de; Aguirre Gallego, Erik Upna Orcid; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; Falcone Lanas, Francisco Javier Upna Orcid; Ramos González, Victoria (Hindawi, 2015)   Artículo / Artikulua  OpenAccess
      The electromagnetic field leakage levels of nonionizing radiation from a microwave oven have been estimated within a complex indoor scenario. By employing a hybrid simulation technique, based on coupling full wave simulation ...
    • Etched LPFGs in reflective configuration for sensitivity and attenuation band depth increase 

      Del Villar, Ignacio Upna Orcid; Socorro Leránoz, Abián Bentor Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Matías Maestro, Ignacio Upna Orcid; Cruz, José Luis; Rego, Gaspar (IEEE, 2016)   Artículo / Artikulua  OpenAccess
      A reflection configuration setup for long-period fiber gratings is presented. It permits to obtain a unique band with attenuation double than that obtained in transmission configuration, which is interesting for ...
    • Evaluation of deployment challenges of wireless sensor networks at signalized intersections 

      Azpilicueta Fernández de las Heras, Leyre Upna Orcid; López Iturri, Peio Upna Orcid; Aguirre Gallego, Erik Upna Orcid; Martínez Carrasco, Carlos; Astrain Escola, José Javier Upna Orcid; Villadangos Alonso, Jesús Upna Orcid; Falcone Lanas, Francisco Javier Upna Orcid (MDPI, 2016)   Artículo / Artikulua  OpenAccess
      With the growing demand of Intelligent Transportation Systems (ITS) for safer and more efficient transportation, research on and development of such vehicular communication systems have increased considerably in the last ...
    • Evaluation of electromagnetic dosimetry of wireless systems in complex indoor scenarios with human body interaction 

      Aguirre Gallego, Erik Upna Orcid; Arpón Díaz-Aldagalán, Javier; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; Ramos González, Victoria; Falcone Lanas, Francisco Javier Upna Orcid (EMW Publishing, 2012)   Artículo / Artikulua  OpenAccess
      In this work, the influence of human body within the estimation of dosimetric values is analyzed. A simplified human body model, including the dispersive nature of material parameters of internal organs, skin, muscle, bones ...
    • Evaluation of electromagnetic interference and exposure assessment from s-Health solutions based on Wi-Fi devices 

      Miguel Bilbao, Silvia de; Aguirre Gallego, Erik Upna Orcid; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; Roldán Madroñero, José; Ramos González, Victoria; Falcone Lanas, Francisco Javier Upna Orcid (Hindawi Publishing Corporation, 2015)   Artículo / Artikulua  OpenAccess
      In the last decade the number of wireless devices operating at the frequency band of 2.4GHz has increased in several settings, such as healthcare, occupational, and household. In this work, the emissions fromWi-Fi transceivers ...
    • Evaluation of the Brillouin precursor performance for ultra wide band intra-body technologies 

      Vázquez Alejos, Ana; Falcone Lanas, Francisco Upna Orcid; Dawood, Muhammad; Aguirre Gallego, Erik Upna Orcid; Azpilicueta Fernández de las Heras, Leyre Upna Orcid (Taylor&Francis, 2013)   Artículo / Artikulua  OpenAccess
      In this letter, we describe the formation and the evolution of Brillouin precursorfields through human tissues by using a frequency-domain analysis technique and amulti-pole Cole–Cole model to characterize the dielectric ...
    • Evanescently fed electromagnetic band-gap horn antennas and arrays 

      Khromova, Irina Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid; Teniente Vallinas, Jorge Upna Orcid; Gonzalo García, Ramón Upna Orcid; Esselle, Karu P. (IEEE, 2012)   Artículo / Artikulua  OpenAccess
      The design of a horn antenna based on electromagnetic band-gap structures (EBGs) and fed by evanescent fields in the containing periodic structure is presented. Such all-dielectric antennas can form compact arrays and ...
    • Experimental and numerical characterization of a hybrid Fabry-Perot cavity for temperature sensing 

      López Aldaba, Aitor Upna; Rodrigues Pinto, Ana Margarida Upna; López-Amo Sáinz, Manuel Upna Orcid; Frazão, Orlando; Santos, José Luís; Baptista, José Manuel; Baierl, Hardy; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe (MDPI, 2015)   Artículo / Artikulua  OpenAccess
      A hybrid Fabry-Pérot cavity sensing head based on a four-bridge microstructured fiber is characterized for temperature sensing. The characterization of this cavity is performed numerically and experimentally in the L-band. ...
    • Experimental demonstration of a millimeter-wave metallic ENZ lens based on the energy squeezing principle 

      Torres Landívar, Víctor Upna; Orazbayev, Bakhtiyar Upna Orcid; Pacheco-Peña, Víctor Upna Orcid; Teniente Vallinas, Jorge Upna Orcid; Beruete Díaz, Miguel Upna Orcid; Navarro Cía, Miguel Upna Orcid; Sorolla Ayza, Mario Upna (IEEE, 2015)   Artículo / Artikulua  OpenAccess
      The performance of an epsilon-near zero (ENZ) plano-concave lens is experimentally demonstrated and verified at the D-band of the millimeter-waves. The lens is comprised of an array of narrow metallic waveguides near cut-off ...

      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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