Listar Comunicaciones y ponencias de congresos DIEC - IEKS Biltzarretako komunikazioak eta txostenak por título

Mostrando ítems 66-85 de 180

    • Gamma radiation measurements using an optical fiber laser 

      Pérez Herrera, Rosa Ana Upna Orcid; Stancalie, Andrei; Cabezudo Sánchez-Valverde, Pablo Miguel; Sporea, Dan; Negut, Daniel; López-Amo Sáinz, Manuel Upna Orcid (Optical Society of America, 2018)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      A fiber ring laser cavity configuration was used to analyze the effect of gamma-irradiation over the performance of different types of erbium doped fibers. Preliminary results validates this method to monitor gamma-radiation ...

    • A gap waveguide fed circular polarization antennas in the millimeter wave range 

      Pérez Quintana, Dayan Upna Orcid; Torres García, Alicia E. Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid; Beruete Díaz, Miguel Upna Orcid (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this work, a novel circular polarization (CP) antennas in ridge gap waveguide (RGW) working in the V-band of the millimeter-wave spectrum is presented. CP is generated in a simple and effective way by means of two ...

    • Gaze estimation problem tackled through synthetic images 

      Garde Lecumberri, Gonzalo Upna; Larumbe Bergera, Andoni Upna Orcid; Bossavit, Benoît Upna Orcid; Cabeza Laguna, Rafael Upna Orcid; Porta Cuéllar, Sonia Upna Orcid; Villanueva Larre, Arantxa Upna Orcid (Association for Computing Machinery (ACM), 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper, we evaluate a synthetic framework to be used in the field of gaze estimation employing deep learning techniques. The lack of sufficient annotated data could be overcome by the utilization of a synthetic ...

    • Gender analysis on the Ph.D. theses defended in Spain in the field of Optics and Photonics 

      Pérez Herrera, Rosa Ana Upna Orcid; Tomás, María-Baralida; Santamaría, Beatriz; Heras, Alba de las; Benedi García, Clara; Gómez Varela, Ana Isabel; Delgado Pinar, Martina; González Fernández, Verónica (IEEE, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Unconscious perceptions and decisions are influenced by gender bias. In this work, we provide an exhaustive data analysis of the Ph.D. theses defended in the field of optics and photonics in Spain by filtering key descriptors ...

    • Generalization of QL-operators based on general overlap and general grouping functions 

      Botelho, Cecilia; Galvao, Alessandra; Santos, Helida; Pinheiro, Jocivania; Bedregal, Benjamin Upna Orcid; Yamin, Adenauer; Reiser, Renata (IEEE, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Firstly, this work discusses the main conditions guarantying that general overlap (grouping) functions can be obtained from n-dimensional overlap (grouping) functions. Focusing on QL-implications, which are usually ...

    • Hands-on teaching with microcontrollers 

      Ruiz Zamarreño, Carlos Upna Orcid (IEEE, 2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Teaching electronics can be fun and motivating when you give the students the freedom to develop their own projects but of course, with a proper supervision. This work presents a case study where the teaching of microcontrollers ...

    • 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-performance 50μm silicon-based on-chip antenna with high port-to-port isolation implemented by metamaterial and SIW concepts for THz integrated systems 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier Upna Orcid; Limiti, Ernesto (IEEE, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      A novel 50μm Silicon-based on-chip antenna is presented that combines metamaterial (MTM) and substrate integrated waveguide (SIW) technologies for integration in THz circuits operating from 0.28 to 0.30 THz. The antenna ...

    • 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 ...

    • 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.

    • 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 ...

    • Improved strategies for HPE employing learning-by-synthesis approaches 

      Larumbe Bergera, Andoni Upna Orcid; Ariz Galilea, Mikel Upna; Bengoechea Irañeta, José Javier Upna; Segura, Rubén; Cabeza Laguna, Rafael Upna Orcid; Villanueva Larre, Arantxa Upna Orcid (IEEE, 2018)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The first contribution of this paper is the presentation of a synthetic video database where the groundtruth of 2D facial landmarks and 3D head poses is available to be used for training and evaluating Head Pose Estimation ...

    • 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 renewable power fluctuations on the lifetime prediction of lithium-ion batteries in a microgrid environment 

      Soto Cabria, Adrián Upna Orcid; Berrueta Irigoyen, Alberto Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (IEEE, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      This contribution analyses lifetime estimation errors due to the effect of power fluctuations in lithium-ion batteries connected to microgrids when different time steps are used for the calculations. Usually, not every ...

    • 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. ...

    • Initiative to increment the number of women in STEM degrees: women, science and technology chair of the Public University of Navarre 

      Aranguren Garacochea, Patricia Upna Orcid; San Martín Biurrun, Idoia Upna Orcid; Catalán Ros, Leyre Upna Orcid; Martínez Ramírez, Alicia Upna Orcid; Jurío Munárriz, Aránzazu Upna Orcid; Díaz Lucas, Silvia Upna Orcid; Pérez Artieda, Miren Gurutze Upna Orcid; Gómez Fernández, Marisol Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The Public University of Navarre joined with Navarre Government has created the Women, Science and Technology Chair. This chair arises due to the plummeting tendency of the percentage of women in STEM degrees with the aim ...

    • Integración de múltiples stubs en filtros de saltos de impedancias de alta selectividad 

      Gómez Laso, Miguel Ángel Upna Orcid; Sami, Abdul Upna; Lopetegui Beregaña, José María; Martin Iglesias, Petronilo; Álvarez Botero, Germán Andrés; Pons Abenza, A; Arregui Padilla, Iván Upna Orcid (URSIUniversidad de Extremadura, 2023)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Rectangular waveguide commensurate-line stepped-impedance bandpass filters have been shown to have an increased fabrication robustness using conventional CNC milling. In this paper, their frequency response is improved by ...
      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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