Listar IC - Contribuciones a congresos científicos por título
Mostrando ítems 54-73 de 347
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Backing off from rayleigh and rice: Achieving perfect secrecy in wireless fading channels
(Escuela Técnica Superior de Ingeniería de Telecomunicación de la UMA, 2020-09)We show that for a legitimate communication under multipath quasi-static fading with a reduced number of scatter- ers, it is possible to achieve perfect secrecy even in the presence of a passive eavesdropper for which no ... -
Barrido del haz en antena de onda de fuga basada en metasuperficie mediante cristales líquidos
(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 ... -
Bi-LSTM Neural Network for EEG-based detection of musical characteristics
(2023)Electroencephalography (EEG) combined with Deep Learning and digital signal processing allows for mental activity recognition. In our study, a new feature extraction model-based is presented when combined with Bi-LSTM ... -
Biosensor fotónico integrado con capacidad de discriminación por capas.
(XXXVIII Simposio Nacional de la Unión Científica Internacional de Radio, 2023)Photonic integrated biosensors have emerged as a highly attractive alternative for biomarker detection in applications ranging from clinical diagnosis to food quality monitoring. Detecting specific target and differentiating ... -
Bricked and evanescently-coupled topologies: expanding the portfolio of subwavelength metamaterial silicon photonic devices
(SPIE, 2023-02)We present two novel topologies of subwavelength grating (SWG) waveguides: the bricked-SWG and the evanescently-coupled-SWG. The bricked topology enables accurate control of waveguide anisotropy while maintaining the index ... -
Bricked subwavelength structures: a flexible metamaterial topology
(2021)Subwavelength gratings (SWG) are periodic structures that synthesize lithography tailorable metamaterials with desired permittivity, dispersion, and anisotropy, enabling the design of a myriad of high-performance devices. ... -
A Broadband Bow-Tie Cavity-Backed Slot for Traveling-Wave Arrays in the Millimeter-Wave Band
(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
(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 ... -
Building high-performance integrated optical devices using subwavelength grating metamaterials
(2021-09)The use of subwavelength grating structures in silicon waveguides have fuelled the development of integrated optical components with superior performance. By a judicious lithographic pattern of the grating, the optical ... -
Butler Matrix Based Six-port Passive Junction
(2014-02-03)In this work we propose the utilization of the Butler matrix as a six-port I/Q demodulator. The inherent symmetry of its topology allows to overcome the intrinsic amplitude and phase imbalances of the traditional approaches ... -
Calibración de los parámetros del modelo de directividad de los transductores de la Ecosonda Simrad EK60
(2015-11-18)La ecosonda científica Simrad EK60 se utiliza para cuantificar los recursos pesqueros en campañas de investigación oceanográfica, utilizando diferentes canales de frecuencias (de 18KHz a 200KHz) mediante transductores ... -
Calidad de transmisión de vídeo en redes de comunicaciones submarinas
(2015-11-24)La adquisición de imágenes submarinas plantea en la actualidad importantes dificultades especialmente en términos de coste y/o retardo en la disponibilidad de la información. Las transmisiones de vídeo a través de redes ... -
Caracterización de modelos no-lineales casi-estáticos a partir de las formas de onda en régimen de gran señal
(2018-09-07)A method to extract the conduction and displacement components of nonlinear quasi-static current sources controlled by two variables is concisely described. The method is numerically tested by means of two different ... -
Caracterización de UWB y WiFi FTM en obras
(2022-09)The construction industry is one of the largest sectors not having a major movement towards digitalisation. For this reason, in recent years, there is an effort for stimulating innovation in the construction site mainly ... -
Caracterización en banda ancha de la constante de propagación de materiales de impresión 3D
(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. ... -
Caracterización estadística del desvanecimiento inducido por dispersión en sistemas de comunicación óptica inalámbrica submarina
(2021)An accurate underwater channel characterization is necessary for underwater optical wireless communication (UOWC) in order to improve its current limitations. This paper presents a new statistical model to characterize the ... -
Caracterización no-lineal de dispositivos de un puerto basada en el principio de distorsión poli-armónica
(2017-09-13)In this contribution the computation of a nonlinear diode model based on the Poly-Harmonic Distortion principle is described. The diode is composed of a non-linear conductance shunt connected to a non-linear capacitance, ... -
Caracterización y Simulación de un Diodo Schottky de Microondas
(2013-09)Microwave diode models included in commercial simulators use a large set of parameters, so they are often difficult to set up in order to match the actual response of a specific device. In this paper a simple model for a ... -
Causal Mechanisms of Dyslexia Via Connectogram Modeling of Phase Synchrony.
(2024)This paper introduces connectogram modeling of electroencephalography (EEG) signals as a novel approach to represent causal relationships and information flow between different brain regions. Connectograms are graphical ... -
Challenges In Video Quality Assessment For Underwater Wireless Sensor Networks
(2017)Underwater Networks poses as a challenging environment for video transmissions mainly because of an extremely limited available bitrate. In such constrained conditions, it is crucial to know the opinion of users which will ...