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    Listar por autor "Abdo-Sánchez, María Elena"

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    Mostrando ítems 1-20 de 43

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      • A Broadband Cavity-Backed Slot for Series-Fed Arrays 

        Hernández Escobar, Alberto (UMA Editorial, 2022-01-26)
        A pesar de que el diseño de antenas en el contexto de los sistemas de comunicaciones es uno de los desafíos más clásicos en la ingeniería de telecomunicación, las antenas para nuevas aplicaciones y servicios de reciente ...
      • A Hybrid Approach for Efficiently Illuminated Fabry-Pérot Cavity Antennas with Enhanced Bandwidth 

        Mateos-Ruiz, Pablo; Abdo-Sánchez, María ElenaAutoridad Universidad de Málaga; Camacho-Peñalosa, CarlosAutoridad Universidad de Málaga (IEEE, 2025-05)
        This contribution proposes a design methodology to realize Fabry-Perot cavity antennas with enhanced aperture efficiency and bandwidth. The proposed antenna employs a tapered Partially Reflective Surface (PRS) and leverages ...
      • A wideband equivalent circuit for stripline-fed cavity-backed slot radiating elements 

        Hernández-Escobar, Alberto; Abdo-Sánchez, María ElenaAutoridad Universidad de Málaga; Camacho-Peñalosa, CarlosAutoridad Universidad de Málaga (IEEE, 2019-11)
        An equivalent circuit for stripline-fed cavity-backed slot radiating elements is proposed. The proposed equivalent circuit consist of a transmission line model for the slot mode, a slot end-effect which includes the ...
      • An equivalent-circuit topology for lossy non-symmetric reciprocal two-ports 

        Hernández-Escobar, Alberto; Abdo-Sánchez, María ElenaAutoridad Universidad de Málaga; Mateos-Ruiz, Pablo; Esteban, Jaime; Martín-Guerrero, Teresa MaríaAutoridad Universidad de Málaga; Camacho-Peñalosa, CarlosAutoridad Universidad de Málaga[et al.] (IEEE Journal of Microwaves, 2021-07)
        An equivalent-circuit topology for two-port lossy non-symmetric reciprocal networks is proposed. The circuit topology is based on the eigenstate decomposition. The proposed circuit consists of two immittances and two ...
      • Análisis Preliminar del Strip-slot Complementario en Tecnología Stripline 

        Hernández Escobar, Alberto; Abdo-Sánchez, María ElenaAutoridad Universidad de Málaga; Camacho-Peñalosa, CarlosAutoridad Universidad de Málaga (2017-09-20)
        A stripline-fed slot antenna configuration is proposed using planar technology. Its main advantages are the broad impedance bandwidth available and the radiation in only one half-space, which are obtained with the use of ...
      • Analytical Eigenstate Equivalent Circuit for Narrow-Slot Bi-Periodic Scatterers 

        Hernández-Escobar, Alberto; Mesa, Francisco; Esteban, Jaime; Abdo-Sánchez, María ElenaAutoridad Universidad de Málaga; Martín-Guerrero, Teresa MaríaAutoridad Universidad de Málaga; Camacho-Peñalosa, CarlosAutoridad Universidad de Málaga[et al.] (2023-07)
        The analytical values of the parameters of an eigenstate-based equivalent circuit are obtained for the analysis and modeling of a simple bi-periodic scatterer. The scatterer geometry consists of a rotated, very narrow slot. ...
      • Antenas Fabry-Pérot con apertura uniforme y mejora del ancho de banda. 

        Mateos-Ruiz, Pablo; Abdo-Sánchez, María ElenaAutoridad Universidad de Málaga; Camacho-Peñalosa, CarlosAutoridad Universidad de Málaga (2024)
        A design methodology to realize Fabry-Pérot cavity antennas with very high aperture efficiency and improved bandwidth is presented. The antenna is based on a tapered Partially Reflective Surface, and its characteristics ...
      • Application of Huygens’ Metasurfaces to the Arbitrary Design of a Leaky-Wave Antenna 

        Abdo-Sánchez, María ElenaAutoridad Universidad de Málaga; Epstein, Ariel; Eleftheriades, George V. (2017-09-13)
        Leaky-wave antennas are guiding structures that leak power along their length. Their radiation is mainly characterized by the propagation constant (leakage factor and phase constant) of the traveling wave. In this ...
      • Arbitrary and Rigorous Aperture Illumination Synthesis in Huygens’ Metasurface-Based Leaky-Wave Antennas. 

        Mateos-Ruiz, Pablo; Killamsetty, Vinay Kumar; Epstein, Ariel; Abdo-Sánchez, María ElenaAutoridad Universidad de Málaga (IEEE, 2025-03-17)
        Omega-type bianisotropic Huygens’ metasurfaces offer a novel approach for controlling the aperture field distribution of leaky-wave antennas. This paper presents a methodology utilizing a parallel-plate waveguide with a ...
      • Arrays planares basados en el elemento strip-slot complementario 

        Abdo-Sánchez, María ElenaAutoridad Universidad de Málaga; Martín-Guerrero, Teresa MaríaAutoridad Universidad de Málaga; Page de la Vega, Juan Enrique; Esteban Marzo, Jaime; Camacho-Peñalosa, CarlosAutoridad Universidad de Málaga (2013-09-13)
        Recently, the authors introduced a novel planar radiating element that exploits the characteristics of the slotline microstrip coupling to obtain a microstrip-fed slot with broadband matching. This paper reviews the main ...
      • Barrido del haz en antena de onda de fuga basada en metasuperficie mediante cristales líquidos 

        Abdo-Sánchez, María ElenaAutoridad Universidad de Málaga; Epstein, Ariel; Eleftheriades, George V. (Iñigo Cuiñas Gómez, 2021-09-23)
        In this communication, the reconfigurability mechanisms for beam steering at a fixed frequency in a leakywave antenna based on Huygens metasurfaces are reviewed. A preliminary design for a forward-to-backward scanning ...
      • A Broadband Bow-Tie Cavity-Backed Slot for Traveling-Wave Arrays in the Millimeter-Wave Band 

        Hernández Escobar, Alberto; Abdo-Sánchez, María ElenaAutoridad Universidad de Málaga; Camacho-Peñalosa, CarlosAutoridad Universidad de Málaga (2019-05-07)
        The use of bow-tie geometries to enhance the characteristics of a radiating element previously proposed by the authors is presented. The previous element consisted of a broadband cavity-backed slot in transmission ...
      • Building Arrays with the Unidirectional-Radiating Complementary Strip-Slot 

        Hernández Escobar, Alberto; Abdo-Sánchez, María ElenaAutoridad Universidad de Málaga; Camacho-Peñalosa, CarlosAutoridad Universidad de Málaga (Iñigo Cuíñas Gómez, 2021-09)
        An upgraded version of the complementary stripslot radiating element is reviewed. The original radiating element consists in a microstrip-fed slot in transmission configuration. In the proposed modification, the slot is ...
      • Circuito equivalente analítico basado en vectores y valores propios para superficies periódicas con ranuras estrechas. 

        Hernández-Escobar, Alberto; Mesa, Francisco; Esteban, Jaime; Abdo-Sánchez, María ElenaAutoridad Universidad de Málaga; Martín-Guerrero, Teresa MaríaAutoridad Universidad de Málaga; Camacho-Peñalosa, CarlosAutoridad Universidad de Málaga[et al.] (2023)
        In this work, the values of the parameters of the eigenstate lattice network are obtained by using only analytical means. The procedure is applied to a simple structure, consisting of a bi-periodic surface made of a slotted ...
      • Circuito equivalente del strip-slot complementario como red asimétrica con pérdidas 

        Esteban Marzo, Jaime; Abdo-Sánchez, María ElenaAutoridad Universidad de Málaga; Martín-Guerrero, Teresa MaríaAutoridad Universidad de Málaga; Camacho-Peñalosa, CarlosAutoridad Universidad de Málaga (2017-09-26)
        The complementary strip-slot can be successfully modeled by means of a lattice equivalent circuit, with realizable immittances. In the case of the misaligned complementary stripslot, useful in series fed arrays, the lattice ...
      • Design and fabrication of a Fabry-Pérot cavity antenna for the Ku-band 

        Mateos-Ruiz, Pablo; Hernández-Escobar, Alberto; Abdo-Sánchez, María ElenaAutoridad Universidad de Málaga; Camacho-Peñalosa, CarlosAutoridad Universidad de Málaga (2020-09-18)
        A design of a directive antenna based on a Fabry-Pérot cavity is described, using a single metallic partially reflecting surface (PRS) in front of a coaxial-fed patch antenna. The main features of this type of antennas are ...
      • Design Aspects of a Broadband Beam-Reconfigurable Leaky-Wave Antenna 

        Abdo-Sánchez, María ElenaAutoridad Universidad de Málaga; Palacios, David; Frías, C.; Ng-Molina, Francisco Yak; Martín-Guerrero, Teresa MaríaAutoridad Universidad de Málaga; Camacho-Peñalosa, CarlosAutoridad Universidad de Málaga[et al.] (IEEE Antennas and Propagation Society, 2016)
        Design aspects of a novel beam-reconfigurable pla-nar series-fed array are addressed to achieve beam steering with frequency tunability over a relatively broad bandwidth. The design is possible thanks to the use of the ...
      • Diseño de una antena de onda de fuga acústica para la localización espacial. 

        Fernández-Garrido, Alejandro; Campo-Valera, María; Abdo-Sánchez, María ElenaAutoridad Universidad de Málaga; Picó, Rubén; Asorey-Cacheda, Rafael (2024)
        Desde la década de 1910, las señales acústicas se han utilizado para la localización espacial de objetos, como en el SONAR, y en diversas aplicaciones de localización de fuentes sonoras en el aire, incluyendo sistemas de ...
      • Disipación de potencia en redes en celosía: la radiación del strip-slot complementario 

        Abdo-Sánchez, María ElenaAutoridad Universidad de Málaga; Martín-Guerrero, Teresa MaríaAutoridad Universidad de Málaga; Esteban Marzo, Jaime; Camacho-Peñalosa, CarlosAutoridad Universidad de Málaga (2015-09-21)
        A circuit property of symmetrical lattice networks is derived and applied to the analysis of symmetrical twoport electromagnetic structures. This property is related to the independence of the power dissipation in the ...
      • Dual Beam Sinusoidally Modulated Reactance Surface Antenna 

        Abdo-Sánchez, María ElenaAutoridad Universidad de Málaga; Pérez Aguilar, Lorena; Martín-Guerrero, Teresa MaríaAutoridad Universidad de Málaga; Camacho-Peñalosa, CarlosAutoridad Universidad de Málaga (2020-09)
        In this work, a planar dual beam Sinusoidally Modulated Reactance Surface (SMRS) antenna is presented. Our method is based on the implementation of a surface impedance modulated by the superposition of two sinusoidal ...
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
         

         

        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA