Listar Ingeniería de Comunicaciones - (IC) por título
Mostrando ítems 427-446 de 594
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Optimized Varactor Parasitic Modelling in the Millimeter-Wave Band.
(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 ... -
Pakistan National Student Satellite Program (PNSSP)
(2013-11-28)Micro-satellite development at University environment provides hands-on experience of building a satellite from design through launch and orbit operations for students in a cost effective way. ... -
Parameters characterization of dielectric materials samples in microwave and millimeter-wave bands
(IEEE Transactions on Microwave Theory and Techniques, 2021-03-06)In this work, an optimized broadband method using multilayer transmission lines to characterize dielectric permittivity and loss tangent of material samples is presented. For this purpose, a microstrip line loaded with a ... -
Parametric model of spectral envelope to synthesize realistic intensity variations in singing voice
(2014-05-28)In this paper, we propose a method to synthesize the natural variations of spectral envelope as intensity varies in singing voice. To this end, we propose a parametric model of spectral envelope based on novel 4-pole ... -
Parametrización física de canales ópticos turbulentos modelados con la distribución M
(2018-09-14)En esta contribución se presenta el análisis del índice de escintilación y su relación con los parámetros físicos de la turbulencia en el canal óptico atmosférico, suponiendo que el centelleo inducido por la turbulencia ... -
Parkinsons Disease Detection by using Isosurfaces with Convolutional Neural Networks
(2019)Computer aided diagnosis systems based on brain imaging are an important tool to assist in the diagnosis of Parkinson’s disease. The ultimate goal would be detec- tion by automatic recognizing of patterns that characterize ... -
PCA filtering and Probabilistic SOM for Network Intrusion Detection.
(Elsevier, 2015-09-21)The growth of the Internet and, consequently, the number of interconnected computers, has exposed significant amounts of information to intruders and attackers. Firewalls aim to detect violations according to a predefined ... -
Performance analysis of equivalent-circuit topologies for periodic leaky-wave antenna rsymmetric Radiators
(2022-04)The traditional problem of broadside radiation degradation in leaky-wave antennas has been overcome in the past years with the introduction of some asymmetry in the radiator. This article analyses the performance of two ... -
Performance analysis of MIMO-OFDM systems using complex Gaussian quadratic forms
(Universidad de Málaga, Servicio de Publicaciones, 2010)En este trabajo se proponen aportaciones originales para el análisis de prestaciones en sistemas multiantena con múltiples portadoras, mediante el desarrollo de nuevas técnicas matemáticas para el cálculo de probabilidades ... -
Performance Analysis of Non-Ideal MIMO Systems in Fading Channels
(Universidad de Málaga, Servicio de Publicaciones, 2011)En esta tesis se aborda el análisis de prestaciones de sistemas MIMO bajo ciertas condiciones no ideales. Se han considerado limitaciones realistas como son las interferencias co-canal, el canal de retorno con velocidad ... -
Performance Evaluation of Broadband Characterization of Coupled Transmission Lines Even- and Odd-Mode Propagation Constants Using Differential and Common Mode S-Parameters
(IEEE Journal of Microwaves, 2023)This work encompasses some relevant issues that arise when using a broadband method to characterize the even and odd mode propagation constants of symmetric microstrip coupled lines using four-port pure-mode differential ... -
Performance of SC-FDMA with diversity techniques over land mobile satellite channel
(UMA Editorial, 2016)La demanda de la alta velocidad de datos resulta en una importante interferencia entre símbolos para los sistemas monoportadora en canales de ancho de banda y potencia limitada. Superar la selectividad en el tiempo y la ... -
PET image classification using HHT-based features through fractal sampling
(2017-07-06)Medical image classification is currently a challenging task that can be used to aid the diagnosis of different brain diseases. Thus, exploratory and discriminative analysis techniques aiming to obtain rep- resentative ... -
Photonic chip interconnects and integrated polarization management for coherent communication
(Universidad de Málaga, Servicio de Publicaciones y Divulgación Científica, 2014)En este trabajo se han expuesto diversas aportaciones originales, entre las que cabe destacar el desarrollo de redes de difracción eficientes para el acoplo chip-fibra, el diseño de rotadores de polarización integrados de ... -
Photonic Reflectometer on Silicon-on-Insulator
(Universidad de Málaga, Servicio de Publicaciones, 2010)A photonic reflectometer on Silicon-on-Insulator is designed and experimentally characterized. The reflectometer is a six-port device, composed of multimode interference couplers (MMIs). We propose a design approach for ... -
Physical Implementation of Leaky-Wave Antenna with Engineered Aperture Distribution Based on Bianisotropic Huygens Metasurfaces
(2023)A methodology based on omega-type bianisotropic Huygens’ metasurfaces is presented to control the aperture field distribution of leaky-wave antennas. The studied structure is a parallel-plate waveguide with the top plate ... -
Physical Layer Security of Large Reflecting Surface Aided Communications with Phase Errors.
(IEEE, 2020-10-09)The physical layer security (PLS) performance of a wireless communication link through a large reflecting surface (LRS) with phase errors is analyzed. Leveraging recent results that express the LRS-based composite channel ... -
Physical Layer Security Techniques for Beyond 5G Networks
(UMA Editorial, 2024)El aumento en el número de conexiones inalámbricas debido al Internet de las cosas (IoT) y la llegada de la quinta generación de redes móviles (5G) ha propiciado un aumento en las preocupaciones sobre el rendimiento de las ... -
Planificación automática de parámetros en redes LTE mediante teoría de grafos
(UMA Editorial, 2017-07-28)En las redes de comunicaciones móviles, las tareas de planificación son de vital importancia, ya que permiten aprovechar al máximo la capacidad de los equipos de los que se dispone mediante una configuración inicial óptima ... -
Planificación S-TDMA en redes submarinas de comunicaciones inalámbricas
(Centro Universitario de la Defensa de Marin, 2015)Las redes submarinas de sensores son de importancia en la vigilancia y monitorización del medio submarino. Si se desea que las redes sean inalámbricas y con un alcance superior a unos pocos metros, las comunicaciones han ...