Listar Comunicaciones y ponencias de congresos ISC - ISC biltzarretako komunikazioak eta txostenak por título

Mostrando ítems 94-113 de 227

    • Hexagonal CORPS-BFN to feed OLAF SAR instrument 

      Biurrun Quel, Carlos Upna Orcid; Iriarte Galarregui, Juan Carlos Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid; Río Bocio, Carlos del Upna Orcid (IEEE, 2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The concept of Coherently Radiating Periodic Structures-based Beam Forming Networks is applied to feed OLAF (OverLapped SubArray Fed) antenna for SAR Instrument at L-Band. The proper feeding of this system requires the ...

    • High sensitivity fiber-optic liquid level sensor using biconical tapered fibers 

      Júdez Colorado, Aitor Upna; Leandro González, Daniel Upna Orcid; Pérez Herrera, Rosa Ana Upna Orcid; Galarza Galarza, Marko Upna Orcid; López-Amo Sáinz, Manuel Upna Orcid (Optical Society of America, 2018)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      A liquid level sensor is presented using a biconical tapered standard single-mode fiber, being its main characteristic an outstanding sensitivity for a low cost transducer. Temperature compensation is enabled with the same ...

    • High-speed analysis of SMB2 file sharing traffic without TCP stream reconstruction 

      Berrueta Irigoyen, Eduardo Upna Orcid; Morató Osés, Daniel Upna Orcid; Magaña Lizarrondo, Eduardo Upna Orcid; Izal Azcárate, Mikel Upna Orcid (IEEE, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      This paper presents a file sharing traffic analysis methodology for Server Message Block (SMB), a common protocol in the corporate environment. The design is focused on improving the traffic analysis rate that can be ...

    • High-yield waveguide diplexer for low-cost E-band 5G point-to-point radio links 

      Teberio Berdún, Fernando Upna Orcid; Calero Fernández, Ibai; Arregui Padilla, Iván Upna Orcid; Martín Iglesias, Petronilo; Teniente Vallinas, Jorge Upna Orcid; Gómez Laso, Miguel Ángel Upna Orcid (IEEE, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      This paper presents the design and realization of a high-yield tuning-less waveguide diplexer and a high-gain lens horn antenna for 5G point-to-point fixed-beam communications at the frequency ranges of 71/76 GHz and 81/86 ...

    • Humidity sensor based on a long-period fiber grating coated with a hydrophobic thin film 

      Urrutia Azcona, Aitor Upna Orcid; Rivero Fuente, Pedro J. Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Matías Maestro, Ignacio Upna Orcid (2010)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this work it is proposed a novel fiber optic humidity sensor based on a functionally coated long-period fiber grating (LPG). The coating is composed of tetraorthosilicate matrix functionalized with perfluorooctyltriethoxysilane ...

    • Hydrogen educational activities developed by APERNA: a renewable-energy student association 

      Berrueta Irigoyen, Alberto Upna Orcid; San Martín Biurrun, Idoia Upna Orcid; Samanes Pascual, Javier Upna Orcid; Pascual Miqueleiz, Julio María Upna Orcid; Barrios Rípodas, Ernesto Upna Orcid; Parra Laita, Íñigo de la Upna Orcid; Urtasun Erburu, Andoni Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (Asociación Española del Hidrógeno, 2016)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper, we present APERNA, a recently-created student association at Public University of Navarre (UPNA) with the aim of promotion of renewable energies.

    • Hydrogen-based energy storage for a distributed generation system 

      San Martín Biurrun, Idoia Upna Orcid; Berrueta Irigoyen, Alberto Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid (Spanish Hydrogen Association, 2016)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      One of the most typical distributed generation systems are electrical microgrid, which consist on small electrical grids, generally connected to the main grid, with a decentralized management structure. Electrical microgrids ...

    • Hydrogen-lithium energy storage for a stand-alone microgrid 

      Berrueta Irigoyen, Alberto Upna Orcid; San Martín Biurrun, Idoia Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (2016)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Sizing of the storage system for a stand-alone application: Satisfaction of technical requirements; Based on real data from an experimental microgrid; Long lifetime; Lowest price

    • Hyperbolic lens antenna in groove gap waveguide technology at sub-millimeter waves 

      Pérez Quintana, Dayan; Biurrun Quel, Carlos Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid; González-Ovejero, David; Beruete Díaz, Miguel Upna Orcid (IEEE, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper, a flat hyperbolic lens antenna using Groove Gap Waveguide (GGW) technology is designed at 300 GHz. A GGW horn antenna is used to feed the metamaterial lens placed in a parallel plate waveguide (PPW), in order ...

    • Image feature extraction using OD-monotone functions 

      Marco Detchart, Cedric Upna Orcid; López Molina, Carlos Upna Orcid; Fernández Fernández, Francisco Javier Upna Orcid; Pagola Barrio, Miguel Upna Orcid; Bustince Sola, Humberto Upna Orcid (Springer, 2018)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Edge detection is a basic technique used as a preliminary step for, e.g., object extraction and recognition in image processing. Many of the methods for edge detection can be fit in the breakdown structure by Bezdek, ...

    • Impedance modelling for high frequency unitraveling-carrier photodiodes 

      Grzeslo, Marcel; Biurrun Quel, Carlos Upna Orcid; Stöhr, Andreas (IEEE, 2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      High-speed photodiodes stand out as potential candidates to enable next-generation communication systems working as mmWave/THz sources due to their intrinsic broadband behaviour. Impedance matching is an essential task in ...

    • Implementation and analysis of a wireless sensor network-based pet location monitoring system for domestic scenarios 

      Aguirre Gallego, Erik Upna Orcid; López Iturri, Peio Upna Orcid; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; Astrain Escola, José Javier Upna Orcid; Villadangos Alonso, Jesús Upna Orcid; Santesteban Martínez de Morentin, Daniel; Falcone Lanas, Francisco Javier Upna Orcid (MDPI, 2016)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The flexibility of new age wireless networks and the variety of sensors to measure a high number of variables, lead to new scenarios where anything can be monitored by small electronic devices, thereby implementing Wireless ...

    • Implementation of artificial intelligence algorithms in climatic zoning according with energy demand in dwellings. A european case 

      Llorente Yoldi, Javier; Gastón Romeo, Martín; Frías Paredes, Laura Upna Orcid; Ur Rehman, Hassam (2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Science has shown, based on data and knowledge, that there is clear evidence that global warming is not a transient effect, and that it is caused mainly by human activity. The consequences of climate change can be noted ...

    • Improvement of corona breakdown threshold (peak power handling) in smooth-profiled microstrip filters 

      Ahmad, Jamil; Hussain, Jabir; Arregui Padilla, Iván Upna Orcid; Martín Iglesias,  Petronilo; Arnedo Gil, Israel; Gómez Laso, Miguel Ángel Upna Orcid; Lopetegui Beregaña, José María (2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper, the PPHCs of two filter design techniques, stepped-impedance (SI) and smooth-profile (SP), are presented for four design prototypes. Smooth-profiled filters feature smooth variations in the characteristic ...

    • Improving input parameter estimation in online pandemic simulation 

      García de Vicuña Bilbao, Daniel Upna Orcid; Mallor Giménez, Fermín Upna Orcid (IEEE, 2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Simulation models are suitable tools to represent the complexity and randomness of hospital systems. To be used as forecasting tools during pandemic waves, it is necessary an accurate estimation, by using real-time data, ...

    • In-field torsion measurements on solar trackers using fiber optic sensors 

      Leandro González, Daniel Upna Orcid; Bravo Acha, Mikel Upna Orcid; Júdez Colorado, Aitor Upna; Mariñelarena Ollacarizqueta, Jon Upna Orcid; Falcone Lanas, Francisco Javier Upna Orcid; Loayssa Lara, Alayn; López-Amo Sáinz, Manuel Upna Orcid; Jiménez, S.; Achaerandio, Álvaro (Optica, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In-field torsion measurements on solar trackers using fiber Bragg gratings are presented. 45 FBG sensors have been deployed in an operational solar energy plant to study the mechanical response of the structure to wind.

    • Incremental capacity analysis of lithium-ion second-life batteries from electric vehicles under cycling ageing 

      Braco Sola, Elisa Upna; San Martín Biurrun, Idoia Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (IEEE, 2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Nowadays, the reuse of batteries from electric vehicles is considered a promising solution to benefit from their remaining energy and extend their lifespan. Yet, the economic viability of these second-life batteries is ...

    • Inertial response and inertia emulation in DFIG and PMSG wind turbines: emulating inertia from a supercapacitor-based energy storage system 

      Sacristán Sillero, Javier; Goñi, Naiara; Berrueta Irigoyen, Alberto Upna Orcid; López Taberna, Jesús Upna Orcid; Rodríguez Rabadan, José Luis; Ursúa Rubio, Alfredo Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid (IEEE, 2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The increasing wind power penetration in electrical power systems results in a reduction of operative conventional power plants. These plants include synchronous generators directly connected to the grid. Facing a change ...

    • Influence of saturable absorbers on fiber ring laser sensors 

      Rodríguez Cobo, Luis; Quintela, M. A.; Ruiz Lombera, Rubén; Pérez Herrera, Rosa Ana Upna Orcid; López-Amo Sáinz, Manuel Upna Orcid; López Higuera, José Miguel (SPIE, 2017)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this work, a fiber ring laser sensor has been employed to analyze the influence of passive Er-doped fiber acting as saturable absorber. Lasing modes of fiber ring lasers can be reduced by properly locating a saturable ...

    • Influence of the aging model of lithium-ion batteries on the management of PV self-consumption systems 

      Berrueta Irigoyen, Alberto Upna Orcid; Pascual Miqueleiz, Julio María Upna Orcid; San Martín Biurrun, Idoia Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (IEEE, 2018)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Lithium-ion batteries are gaining importance for a variety of applications due to their improving characteristics and decreasing price. An accurate knowledge of their aging is required for a successful use of these ESSs. ...
      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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