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Listar por autor "Medina Mena, Francisco"
Mostrando ítems 21-40 de 152
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Artículo
Annular apertures in metallic screens as extraordinary transmission and frequency selective surface structures
Rodríguez Ulibarri, Pablo; Navarro Cía, Miguel; Rodríguez Berral, Raúl; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco; Beruete, Miguel (Institute of Electrical and Electronics Engineers, 2017)A 2-D periodic array of annular apertures (or ring slots) is studied using an accurate circuit model. The model accounts ...
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Application of stub loaded folded stepped impedance resonators to dual band filter design
Velázquez Ahumada, María del Castillo; Mesa Ledesma, Francisco Luis; Martel Villagrán, Jesús; Medina Mena, Francisco (2010) -
Artículo
Application of total least squares to the derivation of closed-form green's functions for planar layered media
Rodríguez Boix, Rafael; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2007)A new technique is presented for the numerical derivation of closed-form expressions of spatial-domain Green's functions ...
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Artificial magnetic metamaterial design by using spiral resonators
Baena, J.D.; Marqués Sillero, Ricardo; Medina Mena, Francisco; Martel Villagrán, Jesús (American Physical Society, 2004)A metallic planar particle, that will be called spiral resonator (SR), is introduced as a useful artificial atom for ...
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Balanced Microwave Transmission Lines, Circuits, and Sensors
Martin, F.; Medina Mena, Francisco (IEEE (Institute of Electrical and Electronics Engineers), 2023)This paper provides an overview of balanced (or differential-mode) structures operating at microwaves, including common-mode ...
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Balanced-To-Balanced Microstrip Diplexer Based on Magnetically Coupled Resonators
Fernández Prieto, Armando; Lujambio, Aintzane; Martel Villagrán, Jesús; Medina Mena, Francisco; Martín, Ferrán; Rodríguez Boix, Rafael (Institute of Electrical and Electronics Engineers, 2018)Two balanced-To-balanced planar diplexers based on magnetically coupled microstrip resonators are proposed in this paper. ...
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Broadband Extraordinary Transmission in a single sub-wavelength aperture
Tang, Wenxuan; Hao, Yang; Medina Mena, Francisco (Optical Society of America, 2010)Coordinate transformation is applied to design an all-dielectric device for Extraordinary Transmission (ET) in a single ...
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Capacitance and Inductance Matrices for Multistrip Structures in Multilayered Anisotropic Dielectrics
Medina Mena, Francisco; Horno Montijano, Manuel (Institute of Electrical and Electronics Engineers, 1987)In this paper we present a unified variational approach to determine the capacitance and inductance matrices of generalized ...
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Characteristics of aperture coupled microstrip antennas on magnetized ferrite substrates
León Fernández, Germán; Rodríguez Boix, Rafael; Freire Rosales, Manuel José; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2005)The method of moments in the spectral domain is applied to the full-wave analysis of aperture coupled microstrip antennas ...
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Circuit model for a periodic array of slits sandwiched between two dielectric slabs
Rodríguez Berral, Raúl; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (American Institute of Physics, 2010)This paper proposes an equivalent circuit model that uses lumped elements and transmission lines to explain the transmission ...
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Circuit modeling of multiband high-impedance surface absorbers in the microwave regime
Padooru, Yashwanth R.; Yakovlev, Alexander B.; Kaipa, Chandra S. R.; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis (American Physical Society, 2011)In this paper, we present a simple circuit model to study the absorption of electromagnetic waves by a multilayer structure ...
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Circuit modeling of the transmissivity of stacked two-dimensional metallic meshes
Kaipa, Chandra S. R.; Yakovlev, Alexander B.; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis; Butler, Celia A. M.; Hibbins, Alastair P. (Optical Society of America, 2010)This paper presents a simple analytical circuit-like model to study the transmission of electromagnetic waves through ...
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Closed-form expressions of multilayered planar Green's functions that account for the continuous spectrum in the far field
Mesa Ledesma, Francisco Luis; Rodríguez Boix, Rafael; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2008)The rational function fitting method has been found useful in the derivation of closed-form expressions of spatial-domain ...
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Comment on "electromagnetic resonances in individual and coupled split-ring resonators"
Marqués Sillero, Ricardo; Medina Mena, Francisco; Rafii-El-Idrissi, Rachid (American Institute of Physics, 2003)Resonances appearing in split-ring resonators (SRR) were explained by the theory about the magnetoelectric coupling in the ...
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Comment on "left-handed-media simulation and transmission of EM waves in subwavelength split-ring-resonator-loaded metallic waveguides"
Kondrat'ev, I. G.; Smirnov, A. I.; Marqués Sillero, Ricardo; Martel Villagrán, Jesús; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (American Physical Society, 2003) -
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Comments on "Internal impedance of conductors of rectangular cross section"
Medina Mena, Francisco; Marqués Sillero, Ricardo (Institute of Electrical and Electronics Engineers, 2001)The alternate current (ac) internal impedance of rectangular cross-sectional conductors used as transmission lines and ...
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Common-mode suppression in microstrip differential lines by means of complementary split ring resonators: Theory and applications
Naqui, Jordi; Fernández Prieto, Armando; Durán Sindreu, Miguel; Mesa Ledesma, Francisco Luis; Martel Villagrán, Jesús; Medina Mena, Francisco; Martín, Ferran (Institute of Electrical and Electronics Engineers, 2012)This paper is focused on the application of complementary split-ring resonators (CSRRs) to the suppression of the common ...
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Compact Balanced Dual-Band Bandpass Filter Based on Modified Coupled-Embedded Resonators
Bagci, Fulya; Fernández Prieto, Armando; Lujambio, Aintzane; Martel Villagrán, Jesús; Bernal Méndez, Joaquín; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2017)A new compact balanced dual-band bandpass filter based on coupled-embedded resonators with modified ground plane is presented ...
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Compact balanced FSIR bandpass filter modified for enhancing common-mode suppression
Fernández Prieto, Armando; Martel Villagrán, Jesús; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis; Rodríguez Boix, Rafael (Institute of Electrical and Electronics Engineers, 2015)A novel balanced bandpass filter (BPF) based on folded stepped impedance resonators (FSIR's) with modified ground plane ...
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Compact balanced-to-balanced diplexer based on split-ring resonators balanced bandpass filters
Fernández Prieto, Armando; Lujambio, Aintzane; Martín, Ferran; Martel Villagrán, Jesús; Medina Mena, Francisco; Rodríguez Boix, Rafael (Institute of Electrical and Electronics Engineers, 2018)A compact balanced-to-balanced diplexer composed of two balanced bandpass filters is proposed in this letter. The balanced ...