Río Bocio, Carlos del

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https://academica-e.unavarra.es/handle/2454/49852

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Río Bocio

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Carlos del

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Ingeniería Eléctrica, Electrónica y de Comunicación

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ISC. Institute of Smart Cities

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0000-0002-8014-2396

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88448

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497

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End date: 2023 × Subject: Antenna design ×

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Now showing 1 - 4 of 4
  • Thumbnail Image
    PublicationOpen Access
    Coherently radiating periodic structures (CORPS) and the human eye: working principle
    (2005) Betancourt Quiñones, Diego; Ibáñez Loinaz, Asier; Río Bocio, Carlos del; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta Elektronikoa
    In this paper a new philosophy to design antenna systems is presented. It is based on the recently proposed Coherently Radiating Periodic Structures (CORPS). These structures are essentially a periodic structure which all the elements are radiating elements coupled coherently (in-phase). The working principle of these structures is quite similar that the working principle of the photoreceptors of the human eye detecting images, opening the possibilities to define high resolution artificial visual systems.
  • Thumbnail Image
    PublicationOpen Access
    Transición coaxial a guía doble ridge cargada
    (2005) Cantora Álvarez, Pablo; Río Bocio, Carlos del; Teniente Vallinas, Jorge; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta Elektronikoa
    In this paper a new method to design a transition from coaxial waveguide to a loaded double ridge waveguide is proposed. This method allows the use of the large frequency bandwidth ridge waveguides present. In the example shown, a reflection coefficient smaller than -10dB is obtained in a fractional bandwidth of 250% (f1-8*f1). The similarities between the dominant TEM modes of microstrip waveguide and loaded double ridge waveguides are the basis of this design method. The complete transition is made up through an intermediate transition to microstrip waveguide. Excellent behaviour is obtained.
  • Thumbnail Image
    PublicationOpen Access
    A complete optimization-loop, including feeders, of antenna systems based on reflectors
    (IEEE, 2005) Delgado, D.; Teniente Vallinas, Jorge; Río Bocio, Carlos del; Haro, L. de; Martínez, J. A.; Pino, A.G; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta Elektronikoa
    In the design process of a complete antenna system based on reflectors, the feed real performance is usually included once the reflectors have been optimized with an ideal feed. In this paper, the proposal is to include the feed inside the optimization loop of the whole system, by means of a parametric definition of the feeder. To perform the optimization, the parametric feed will be considered as an additional surface, which receives some desired electric field that should be analyzed to properly modify the feed definition parameters in order to reduce the difference between the desired and the new generated field distribution over a planar surface nearby the focal point of the system. At the end of the optimization process, all the elements of the whole antenna system, reflectors and feed, will be totally defined and perfectly coupled.
  • Thumbnail Image
    PublicationOpen Access
    Designing antenna systems with CORPS (coherently radiating periodic structures)
    (2005) Betancourt Quiñones, Diego; García Esparza, Raúl; Ibáñez Loinaz, Asier; Río Bocio, Carlos del; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta Elektronikoa
    In this paper a new philosophy to design antenna systems is presented. It is based on the recently proposed Coherently Radiating Periodic Structures (CORPS). These structures are essentially a periodic structure which all the elements are radiating elements coupled coherently (in-phase). This principle could allow the designer to simplify the needed feeding network for many array antenna systems since some elements could be coupled from the neighbouring ones, keeping the original excitation profile. It will be also shown in this paper how the three dimensional version of CORPS could be understood as a focusing planar lens, since it is possible to distribute the information of one element to many radiating elements by using the coherent coupling mechanism between all the elements of the whole structure. With this configuration, many directive beams could be really close to each other, increasing the possibilities to handle high resolution in imaging systems.