Listar por autor "Pérez-Escribano, Mario"
Mostrando ítems 1-20 de 30
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A 3D-printed Prototype of a Miniaturized Top-Metalized Rectangular Dielectric Resonator Antenna
Sofokleous, Paris; Herraiz Martínez, Francisco Javier; Paz, Eva; Márquez-Segura, Enrique
; Padilla, Pablo; Pérez-Escribano, Mario[et al.] (URSI, 2024-09)
This paper presents a 3D-printed prototype of a novel top-metalized Dielectric Resonator Antenna (DRA). The inclusion of top metallization induces a modification in the boundary conditions, resulting in a frequency reduction ... -
Analytical Circuit Approach for (2+1)D Structures: Application to Spacetime Metasurfaces
Moreno-Rodríguez, Salvador; Pérez-Escribano, Mario; Padilla, Pablo; Valenzuela-Valdés, Juan Francisco; Alex-Amor, Antonio; Molero, Carlos[et al.] (URSI, 2024-09)
Historically, scientists and engineers have focused their studies on finding analytical models that allow accurate modeling of the electromagnetic response of radiant devices. Commercial software based on numerical ... -
Analytical design of compact multiband bandpass filters with multiconductor transmission lines and shunt open stubs
Pérez-Escribano, Mario; Márquez-Segura, Enrique; Sánchez-Martínez, Juan José (MDPI, 2023-04-24)
A compact topology for implementing compact multiband bandpass filters is presented in this paper. To achieve the desired frequency response, two identical short-circuited multiconductor transmission lines (MTLs) and ... -
Analytical Framework to Model Reconfigurable Metasurfaces including Lumped Elements.
Pérez-Escribano, Mario; Moreno-Rodríguez, Salvador; Molero, Carlos; Valenzuela-Valdés, Juan Francisco; Padilla, Pablo; Alex-Amor, Antonio; Pérez-Escribano, Mario[et al.] (IEEE Transactions on Circuits and Systems II: Express Briefs, 2023-11-06)
This manuscript introduces an analytical framework for the design of reconfigurable metasurfaces rooted in 2D periodic structures. Incorporating lumped elements into the model streamlines the design process for such devices, ... -
Analytical Method to Model Spatiotemporal Metasurfaces.
Pérez-Escribano, Mario; Moreno-Rodríguez, Salvador; Alex-Amor, Antonio; Valenzuela-Valdés, Juan Francisco; Padilla, Pablo; Molero, Carlos[et al.] (2024)
This work introduces a theoretical framework to develop fully-analytical and multi-modal equivalent circuits that are applicable to spatiotemporal metasurfaces. Here, time is considered a periodic variable. Thus, classical ... -
Broadband parasitic modeling of diodes in the millimeter-wave band
Pérez-Escribano, Mario; Palomares-Caballero, Ángel; Padilla, Pablo; Valenzuela-Valdés, Juan Francisco; Márquez-Segura, Enrique (Elsevier, 2024-03-06)
This paper presents the extraction of an equivalent circuit model for PIN diodes and varactors in the millimeter waves. This circuit model is handy for new communication applications involving, for example, electronic beam ... -
Caracterización en banda ancha de la constante de propagación de materiales de impresión 3D
Pérez-Escribano, Mario; Márquez-Segura, Enrique (2020-09-21)
In this work, a method for the characterization of the relative permittivity in broadband of 3D printing materials is proposed. It uses microstrip lines of different lengths covered with the material to be characterized. ... -
Characterization techniques for microwave and millimeter-wave circuit design using additive manufacturing and multiconductor transmission lines
Pérez-Escribano, Mario (UMA Editorial, 2022-07-07)
En esta tesis doctoral se han estudiado varias técnicas para la caracterización de líneas de transmisión. A partir de la medida de parámetros S de 2 puertos de líneas de distinta longitud es posible estimar la constante ... -
Contactless AF-SIW phase shifters based on periodic structures at mmWaves
Segura-Gómez, Cleofás; Pérez-Escribano, Mario; Biedma-Pérez, Andrés; Palomares-Caballero, Ángel; Padilla, Pablo (Elsevier, 2024)
This document presents different phase shifter designs implemented in contactless air-filled substrate-integrated waveguide (CLAF-SIW) technology. The phase shifters are based on unit cells that avoid leakage losses in ... -
Desarrollo de antena espiral con alimentación lateral realizada mediante fabricación aditiva
This contribution presents an step-by-step design and manufacturing of a spiral antenna with lateral feeding mainly for automotive applications. The spiral antenna is intended to work in Ultra-Wide Band (UWB), a new ... -
Desarrollo e integración de un sensor modular y flexible en la banda de ondas milimétricas para aplicaciones de automoción
Martín-Bayona, Francisco-José; Villalba-Calvillo, Guillermo; Pérez-Escribano, Mario; Oliva, Jaime; Rojas, Antonio; Cobos, Sergio; Márquez-Segura, Enrique[et al.] (2020-09-21)
This paper presents the development of a full prototype of a millimetre wave sensor for automotive radar in the 77-81GHz frequency band. The interest in millimetre wave sensors has grown significatively in the last ten ... -
Diseño analítico de filtros multibanda con líneas de transmisión multiconductoras y stubs en abierto
A new topology for implementing multiband bandpass filters is presented in this paper. Two identical shortcircuited multiconductor transmission lines (MTL) and several shunt open stubs are interconnected to achieve the ... -
Efectos de la Conductividad en la Estimación de los Parámetros de Propagación de una Línea Stripline Fabricada Mediante Impresión de Tintas Conductoras
This contribution presents the characterization of a stripline embedded in a coaxial system. The stripline has been manufactured using HIPS as the main substrate. The metallic strip has been manufactured on 50mm thick ... -
End-launcher repeatability in broadband methods for characterization of the propagation constant of transmission lines using two-port measurements.
Pérez-Escribano, Mario; Márquez-Segura, Enrique (IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, 2022-04-09)
This work presents an analysis of the influence of connector repeatability in three different methods for estimating the propagation constant of transmission lines from two-port measurements. For this purpose, the repeatability ... -
Fuentes de error aleatorio en la estimación de la constante de propagación de líneas de transmisión usando medidas de dos puertos
In this contribution, we study different error sources that affect the estimation of the propagation constant in broadband methods. For this purpose, a study on the state-of-the-art has been made. The behavior of different ... -
Metal-Only 3D Unit Cell for Reflectarrays with Independent Dual-Band Operation
Pérez-Escribano, Mario; Biedma-Pérez, Andrés; Parellada-Serrano, Ignacio; Palomares-Caballero, Ángel; Molero, Carlos; Rodríguez-Padilla, Pablo[et al.] (2024)
En este artículo se presenta un reflectarray solo metálico basado en una celda unidad tridimensional con capacidad de trabajar en doble banda. La celda unidad 3D es una guía de onda cuadrada cuyas paredes verticales incluyen ... -
Miniaturized Top-Metalized 3D-printed Rectangular Dielectric Resonator Antenna.
Herraiz Martínez, Francisco Javier; Pérez-Escribano, Mario; Sofokleous, Paris; Padilla, Pablo; Márquez-Segura, Enrique (2024)
This paper introduces a novel top-metalized Dielectric Resonator Antenna (DRA). The inclusion of top metallization induces a modification in the boundary conditions, resulting in a frequency reduction in the fundamental ... -
Miniaturized top-metallized rectangular dielectric resonator antenna
Pérez-Escribano, Mario; Herraiz Martínez, Francisco Javier; Márquez-Segura, Enrique (Sección Española de la Unión Científica Internacional de Radio, 2018-09)
In this paper, a modal analysis of a rectangular dielectric resonator antenna (DRA), with unconventional boundary conditions, is carried out. Analytical equations of the fields inside the resonator and simulations are ... -
Novel Frequency-Selective Surface Absorber based on Laser-Induced Graphene
Ortiz Ruiz, Sergio; Moreno-Rodríguez, Salvador; Pérez-Escribano, Mario; Palomares-Caballero, Ángel; Pasadas, Francisco; Valenzuela-Valdés, Juan Francisco; García-Ruiz, Francisco J.; Molero, Carlos[et al.] (URSI, 2024-09)
Este trabajo propone una técnica para el diseño de absorbedores de microondas y ondas milimétricas mediante la combinación de superficies selectivas en frecuencia (FSSs) y grafeno inducido por láser (LIG). En primera ... -
Optimized Varactor Parasitic Modelling in the Millimeter-Wave Band.
Pérez-Escribano, Mario; Palomares-Caballero, Ángel; Padilla, Pablo; Valenzuela-Valdés, Juan Francisco (2023)
This work explores the utilization of varactors in the millimeter-wave (mm-wave) band, specifically focusing on their application in voltage-controlled reconfigurable devices. Varactors, or variable capacitors, can adjust ...