Listar Comunicaciones y ponencias de congresos DIEE - IEES Biltzarretako komunikazioak eta txostenak por título
Mostrando ítems 22-41 de 191
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Characterization of near-ground radio propagation channel for wireless sensor network with application in smart agriculture
Klaina, Hicham
; Alejos, Ana; Aghzout, Otman; Falcone Lanas, Francisco Javier 
(MDPI, 2017)
Contribución a congreso / Biltzarrerako ekarpena 
In this contribution, we present a narrowband radio channel model for a scenario wherein the radio link operates under near-ground conditions, occurring on a ZigBee wireless sensor networks applied to smart agriculture. ... -
Characterization of radio propagation channel in urban vehicle to infrastructure environments to support WSNs
Granda, Fausto; Azpilicueta Fernández de las Heras, Leyre ; Vargas Rosales, César; López Iturri, Peio ; Aguirre Gallego, Erik ; Astrain Escola, José Javier ; Villadangos Alonso, Jesús ; Falcone Lanas, Francisco Javier (MDPI, 2016)
Contribución a congreso / Biltzarrerako ekarpena
Vehicular ad hoc Networks (VANETs) enable vehicles to communicate with each other as well as with roadside units (RSUs). Although there is a significant research effort in radio channel modelling focused in vehicle to ... -
Choked-gaussian corrugated horn antenna design small global coverage horn antenna for TT&C with extremely low sidelobe level
Teniente Vallinas, Jorge ; Gonzalo García, Ramón ; Río Bocio, Carlos del (2003)
Contribución a congreso / Biltzarrerako ekarpena
Extremely low sidelobe horn antennas are often required for the actual technology. This type of horn antennas are important to avoid interference with other systems. In this paper we describe a new design implementing a ... -
Coherently radiating periodic structures (CORPS) and the human eye: working principle
Betancourt Quiñones, Diego; Ibáñez Loinaz, Asier; Río Bocio, Carlos del (2005)
Contribución a congreso / Biltzarrerako ekarpena
In this paper a new philosophy to design antenna systems is presented. It is based on the recently proposed Coherently Radiating Periodic Structures (CORPS). These structures are essentially a periodic structure which ... -
Coherently radiating periodic structures (CORPS): a step towards high resolution imaging systems?
García Esparza, Raúl; Betancourt Quiñones, Diego ; Ibáñez Loinaz, Asier; Río Bocio, Carlos del (IEEE, 2005)
Contribución a congreso / Biltzarrerako ekarpena
The coherently radiating periodic structures (CORPS) uses the existing mutual coupling between the elements of an array to spread horizontally and coherently (in-phase) the complex amplitudes of each active element ... -
Coherently radiating periodic structures (CORPS): aplicaciones prácticas
Ibáñez Loinaz, Asier; Betancourt Quiñones, Diego; Río Bocio, Carlos del (2005)
Contribución a congreso / Biltzarrerako ekarpena
In this paper some possible applications of the new philosophy to design antenna systems based on the Coherently Radiating Periodic Structures (CORPS) is presented. This principle could allow the designer to simplify ... -
Comparación entre antenas cónicas corrugadas y antenas gaussianas corrugadas
Teniente Vallinas, Jorge ; Gonzalo García, Ramón ; Río Bocio, Carlos del (2002)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, a study of two equal size corrugated horn antennas; a conical and a gaussian profiled horn antenna (GPHA) has been developed. It will be demonstrated that GPHA´s provide lower sidelobes and wider bandwidths, ... -
A comparative study between SMS interferometers and lossy mode resonace optical fiber devices for sensing applications
Socorro Leránoz, Abián Bentor ; Hernáez Sáenz de Zaitigui, Miguel ; Del Villar, Ignacio ; Corres Sanz, Jesús María ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (SPIE, 2015)
Contribución a congreso / Biltzarrerako ekarpena
Optical fiber sensors are of great interest due to their intrinsic advantages over electronic sensors. In this work, the sensing characteristics of two different and novel optical fiber devices are compared, after ... -
A comparative study of degradation and performance of thin film photovoltaic generators versus a multi-crystalline generator
Parra Laita, Íñigo de la ; García Solano, Miguel ; Marcos Álvarez, Javier ; Marroyo Palomo, Luis (2013)
Contribución a congreso / Biltzarrerako ekarpena
Thin film solar cells (TFSC) are supposed to have higher energy yield rates than crystalline silicon (Si-x) mainly possible by some enhancements like lower temperature coefficient and higher absorption of diffuse light. ... -
Comparative study of nonparametric and parametric PV models to forecast AC power output of PV plants
Almeida, Marcelo Pinho; Muñoz Escribano, Mikel; Parra Laita, Íñigo de la ; Perpiñán, Óscar; Narvarte Fernández, Luis (EU PVSEC, 2015)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, a comparison between two approaches to predict the AC power output of PV systems is carried out in terms of forecast performance. Each approach uses one of the two main types of PV modeling, parametric and ... -
Comparison of linear and and small-signal models for inverter-based microgrids
Urtasun Erburu, Andoni ; Sanchis Gúrpide, Pablo ; Marroyo Palomo, Luis (IEEE, 2014)
Contribución a congreso / Biltzarrerako ekarpena
Frequency and voltage regulation in droop-based microgrids is generally modeled using small-signal analysis. In order to ensure accuracy, existing models do not decouple real and reactive power responses. However, the ... -
Comparison of State-of-Charge estimation methods for stationary Lithium-ion batteries
Berrueta Irigoyen, Alberto ; San Martín Biurrun, Idoia ; Sanchis Gúrpide, Pablo ; Ursúa Rubio, Alfredo (IEEE, 2016)
Contribución a congreso / Biltzarrerako ekarpena
An accurate monitoring of the State of Charge (SoC) is mandatory for an efficient management of a Lithium-ion battery. Batteries of stationary systems barely have long resting periods when the cumulative errors can be ... -
Compensation of forecast error in large PV plants with battery storage: associated strategies
Marcos Álvarez, Javier ; Parra Laita, Íñigo de la ; Muñoz Escribano, Mikel ; García Solano, Miguel ; Marroyo Palomo, Luis (2017)
Contribución a congreso / Biltzarrerako ekarpena
As penetration rates of utility-scale photovoltaics (PV) increases, large PV plants will participate in the daily wholesale electricity market in the same way that wind farms. Then, PV plant owner can receive some kind of ... -
A complete optimization-loop, including feeders, of antenna systems based on reflectors
Delgado, D.; Teniente Vallinas, Jorge ; Río Bocio, Carlos del ; Haro, L. de; Martínez, J. A.; Pino, A.G (IEEE, 2005)
Contribución a congreso / Biltzarrerako ekarpena
In the design process of a complete antenna system based on reflectors, the feed real performance is usually included once the reflectors have been optimized with an ideal feed. In this paper, the proposal is to include ... -
Comportamiento de propagacion electromagnetica en el apilamiento de agujeros sublambda y agujeros propagantes
Navarro Cía, Miguel ; Beruete Díaz, Miguel ; Falcone Lanas, Francisco Javier ; Campillo, Igor; Sorolla Ayza, Mario (2009)
Contribución a congreso / Biltzarrerako ekarpena
In this work, we provide more insight on the physics underlying the transmission through subwavelength hole arrays metaprism by comparing it with propagating hole arrays prism. We show the critical role that the size ... -
Computation of greatest common divisor for the blind deconvolution of transient impulsive signals
Lecumberri Villamediana, Pablo; Gómez Fernández, Marisol ; Carlosena García, Alfonso (Universitat Politècnica de Catalunya, 2005)
Contribución a congreso / Biltzarrerako ekarpena
We propose a new blind deconvolution method for transient impulsive signals in a single input – multiple output (SIMO) system. The method exploits the data redundancy inherent to SIMO multichannel systems to obtain an ... -
Conical versus gaussian profiled corrugated horn antennas
Teniente Vallinas, Jorge ; Gonzalo García, Ramón ; Río Bocio, Carlos del (IEEE, 2002)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, a study of two equal size corrugated horn antennas; a conical and a gaussian profiled horn antenna (GPHA) has been developed. It will be demonstrated that GPHA´s provide lower sidelobes and wider ... -
Consideraciones de paraxialidad en modos gaussianos de orden superior
Ruiz de la Cuesta, María Teresa; Río Bocio, Carlos del ; Gonzalo García, Ramón ; Sorolla Ayza, Mario (1996)
Contribución a congreso / Biltzarrerako ekarpena
Usually, the gaussian beam modes are assumed to be solutions of the wave equation in the free space. Nevertheless, these modes are obtained supposing some paraxial restrictions. Therefore, we will have to check if our ... -
Control strategy for an integrated photovoltaic-battery system
Urtasun Erburu, Andoni ; Sanchis Gúrpide, Pablo ; Marroyo Palomo, Luis (IEEE, 2017)
Contribución a congreso / Biltzarrerako ekarpena
In photovoltaic-battery systems, more attention is usually paid to the MPPT control while the battery management is put aside. This paper proposes two control strategies for an integrated PV-battery system, both of them ... -
Cooperative detection applied to THz imaging cameras
Lizarraga Cubillos, Juan Camilo; Betancourt Quiñones, Diego ; Río Bocio, Carlos del (2009)
Contribución a congreso / Biltzarrerako ekarpena
THz technology for developing imaging systems has recently aroused great interest, mainly due to the large number of applications in which these frequencies can be used: security, vision in hard environments, etc. The ...
