Now showing items 1-7 of 7

    • Comparison of fourth-harmonic and combined doubler/subharmonic mixer with integrated MMIC based local oscillator 

      Pérez Escudero, José Manuel Upna Orcid; Quemada Mayoral, Carlos Upna Orcid; Gonzalo García, Ramón Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid (IEEE, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper a comparison between a fourth harmonic mixer and a combined doubler/subharmonic mixer based on Schottky diodes working at 300 GHz with MMIC Local Oscillator (LO) integrated in a single enclosing is presented. ...
    • Design of 300 ghz combined doubler/subharmonic mixer based on schottky diodes with integrated mmic based local oscillator 

      Pérez Escudero, José Manuel Upna Orcid; Quemada Mayoral, Carlos Upna Orcid; Gonzalo García, Ramón Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      In this paper the design and experimental characterization of a combined doublersubharmonic mixer based on Schottky diodes which uses a 75 GHz MMIC based local oscillator is presented. This solution integrates in the same ...
    • Labyrinth metasurface for biosensing applications: numerical study on the new paradigm of metageometries 

      Jáuregui López, Irati Upna Orcid; Rodríguez Ulibarri, Pablo Upna Orcid; Kuznetsov, Sergei A.; Quemada Mayoral, Carlos Upna Orcid; Beruete Díaz, Miguel Upna Orcid (MDPI, 2019)   Artículo / Artikulua  OpenAccess
      The use of metasurfaces operating in the terahertz regime as biosensor devices has attracted increased interest in recent years due to their enhanced sensitivity and more accurate detection capability. Typical designs are ...
    • A millimeter-wave 4th-harmonic Schottky diode mixer with integrated local oscillator 

      Pérez Escudero, José Manuel Upna Orcid; Quemada Mayoral, Carlos Upna Orcid; Gonzalo García, Ramón Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid (MDPI, 2021)   Artículo / Artikulua  OpenAccess
      In this paper the design and experimental validation of a fourth-harmonic mixer based on Schottky diodes working around 300 GHz is presented. The main novelty of this work consists in the integration of an MMIC-based local ...
    • Moisture content estimation models of flour matrices in the 67-110 GHz frequency range using a nondestructive and contactless monitoring system 

      Quemada Mayoral, Carlos Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid; Beruete Díaz, Miguel Upna Orcid; Gonzalo García, Ramón Upna Orcid; Iriarte Galarregui, Juan Carlos Upna Orcid (IEEE, 2023)   Artículo / Artikulua  OpenAccess
      This work addresses the lack of moisture content estimation models for food products in the millimeter-wave frequency range and showcases the potential of this range for designing compact, cost-effective, and in-line food ...
    • Remote sensing for plant water content monitoring: a review 

      Quemada Mayoral, Carlos Upna Orcid; Pérez Escudero, José Manuel Upna Orcid; Gonzalo García, Ramón Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid; Santesteban García, Gonzaga Upna Orcid; Torres Molina, Nazareth Upna Orcid; Iriarte Galarregui, Juan Carlos Upna Orcid (MDPI, 2021)   Artículo / Artikulua  OpenAccess
      Las redes sociales se han convertido en una de las principales fuentes de información, especialmente entre los más jóvenes. Al mismo tiempo, se ha incrementado la producción y circulación de información falsa o fake news ...
    • A water content continuous monitoring of grapevine xylem tissue using a portable low-power cost-effective FMCW radar 

      Quemada Mayoral, Carlos Upna Orcid; García González, Cebrián Upna; Iriarte Galarregui, Juan Carlos Upna Orcid; Marín Ederra, Diana Upna Orcid; Gastón Beraza, Diego; Miranda Jiménez, Carlos Upna Orcid; Gonzalo García, Ramón Upna Orcid; Maestrojuán Biurrun, Itziar Upna; Santesteban García, Gonzaga Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid (IEEE, 2019)   Artículo / Artikulua  OpenAccess
      This paper presents the real-time monitoring of a grapevine’s water content that flows up through the xylem tissue by means of a frequency-modulated continuous-wave (FMCW) radar. The application of an optimization process, ...

      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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