Listar Artículos de revista ISC - ISC aldizkari artikuluak por título
Mostrando ítems 456-475 de 631
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Photonic controlled metasurface for intelligent antenna beam steering applications including 6G mobile communication systems
Muqdad, Zainab S.; Alibakhshikenari, Mohammad; Elwi, Taha A.; Hassain, Zaid Abdul; Virdee, Bal S.; Sharma, Richa; Khan, Salahuddin; Türker Tokan, Nurhan; Livreri, Patrizia; Falcone Lanas, Francisco Javier
; Limiti, Ernesto (Elsevier, 2023)
Artículo / Artikulua 
This paper presents a novel metasurface antenna whose radiation characteristics can be remotely controlled by optical means using PIN photodiodes. The proposed reconfigurable antenna is implemented using a single radiating ... -
Photonic crystal fiber interferometer coated with a PAH/PAA nanolayer as humidity sensor
López Torres, Diego ; Elosúa Aguado, César ; Villatoro, Joel; Zubia, Joseba; Rothhardt, Manfred; Schuster, Kay; Arregui San Martín, Francisco Javier (Elsevier, 2017)
Artículo / Artikulua
In this paper, an optical fiber interferometric humidity sensor is presented. The device consists of 1 cmlong segment of photonic crystal fiber (PCF) spliced to standard single mode fibers (SMFs), forming an interferometer: ... -
Photonic nanojets with mesoscale high-index dielectric particles
Pacheco-Peña, Víctor ; Beruete Díaz, Miguel (AIP Publishing, 2019)
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In this work, we demonstrate the ability of high-index dielectric particles immersed in air to generate photonic nanojets with extreme resolution (∼0.06λ0). Both 2D (cylindrical) and 3D (spherical) particles are analyzed, ... -
Photonic-assisted 2-D terahertz beam steering enabled by a LWA array monolithically integrated with a BFN
Haddad, Thomas; Biurrun Quel, Carlos ; Lu, Peng; Tebart, Jonas; Sievert, Benedikt; Makhlouf, Sumer; Grzeslo, Marcel; Teniente Vallinas, Jorge ; Río Bocio, Carlos del ; Stöhr, Andreas (Optica, 2022)
Artículo / Artikulua
A novel photonic-assisted 2-D Terahertz beam steering chip using only two tuning elements is presented. The chip is based on an array of three leaky wave antennas (LWAs) with a monolithically integrated beamforming network ... -
Planar-waveguide-lmr-based sensors: engineering the depth of characteristic curves
Shrivastav, Anand M.; Del Villar, Ignacio ; Ascorbe Muruzabal, Joaquín ; Corres Sanz, Jesús María ; Matías Maestro, Ignacio (IEEE, 2023)
Artículo / Artikulua
Lossy mode resonance (LMR)-based sensors have been proven as one of the exponentially growing research fields since the last decade. These sensors have demonstrated their capabilities in the detection of several physical, ... -
The potential of forecasting in reducing the LCOE in PV plants under ramp-rate restrictions
Cirés Buey, Eulalia; Marcos Álvarez, Javier ; Parra Laita, Íñigo de la ; García Solano, Miguel ; Marroyo Palomo, Luis (Elsevier, 2019)
Artículo / Artikulua
An increasing number of grid codes are requiring the limitation of the PV output power fluctuation over a given time scale. Batteries represent the most obvious solution to smooth power fluctuations, with the corresponding ... -
Power-efficient single-stage class-AB OTA based on non-linear nested current mirrors
Beloso Legarra, Javier ; Cruz Blas, Carlos Aristóteles de la ; López Martín, Antonio (IEEE, 2023)
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A novel approach to design low-power area-efficient rail-to-rail output single-stage class-AB operational transconductance amplifiers (OTAs) with enhanced large- and small-signal performance to drive large capacitive ... -
Precoded large scale multi-user-MIMO system using likelihood ascent search for signal detection
Bagadi, Kalapraveen; Ravikumar, Chinthaginjala V.; Alibakhshikenari, Mohammad; Challa, Naga Raju; Rajesh, Anbazhagan; Aïssa, Sonia; Dayoub, Iyad; Falcone Lanas, Francisco Javier ; Limiti, Ernesto (Wiley, 2022)
Artículo / Artikulua
Multiple antennas at each user equipment (UE) and/or thousands of antennas at the base station (BS) comprise the extremely spectrum efficient large scale multi-user multiple input multiple output system (BS). Due to space ... -
Project risk management methodology for small firms
Marcelino Sádaba, Sara ; Pérez Ezcurdia, Amaya ; Echeverría Lazcano, Amparo; Villanueva Roldán, Pedro (Elsevier, 2014)
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Propagation models in vehicular communications
Rodríguez Corbo, Fidel Alejandro; Azpilicueta Fernández de las Heras, Leyre ; Celaya Echarri, Mikel ; Vázquez Alejos, Ana ; Falcone Lanas, Francisco Javier (IEEE, 2021)
Artículo / Artikulua
In the advent of becoming reality, the era of autonomous vehicles is closer than ever, and with it, the need for faster and reliable wireless connections. The propagation channel determines the performance limits of wireless ... -
Proposal and evaluation of typical illuminance year (TIY) generation procedures from illuminance or irradiance data for daylight assessment in the long term
García Ruiz, Ignacio ; Blas Corral, María Ángeles de ; Torres Escribano, José Luis (ElsevierInternational Solar Energy Society, 2020)
Artículo / Artikulua
When assessing the long-term daylight availability or the performance of natural lighting systems in a given location, it is necessary to have representative data of local daylight conditions. The use of a daylight test ... -
A proposal for tuning the α parameter in CαC-integrals for application in fuzzy rule-based classification systems
Lucca, Giancarlo; Sanz Delgado, José Antonio ; Pereira Dimuro, Graçaliz ; Bedregal, Benjamin ; Bustince Sola, Humberto (Springer, 2020)
Artículo / Artikulua
In this paper, we consider the concept of extended Choquet integral generalized by a copula, called CC-integral. In particular, we adopt a CC-integral that uses a copula defined by a parameter α, which behavior was tested ... -
Propuesta de programación formativa específica en PRL para inspectores y directores técnicos de estaciones de inspección técnica de equipos de aplicación de productos fitosanitarios (ITEAF)
González Moreno, Miguel Ángel (Borrmart, 2020)
Artículo / Artikulua
El sector agrario es uno de los sectores que tradicionalmente presenta una mayor siniestralidad laboral. Además, hay una carencia informativa en materia preventiva y la formación se limita a la cualificación obligatoria ... -
Prospects of autonomous volcanic monitoring stations: experimental investigation on thermoelectric generation from fumaroles
Catalán Ros, Leyre ; Araiz Vega, Miguel ; Padilla, Germán D.; Hernández, Pedro A.; Pérez, Nemesio M.; García de la Noceda, Celestino; Albert, José F.; Astrain Ulibarrena, David (MDPI, 2020)
Artículo / Artikulua
Fumaroles represent evidence of volcanic activity, emitting steam and volcanic gases at temperatures between 70 and 100 °C. Due to the well-known advantages of thermoelectricity, such as reliability, reduced maintenance ... -
Prospects of waste-heat recovery from a real industry using thermoelectric generators: economic and power output analysis
Araiz Vega, Miguel ; Casi Satrústegui, Álvaro ; Catalán Ros, Leyre ; Martínez Echeverri, Álvaro ; Astrain Ulibarrena, David (Elsevier, 2020)
Artículo / Artikulua
One of the options to reduce industrial energy costs and the environmental impact is to recover the waste-heat produce in some processes. This paper proposes the use of thermoelectric generators at a stone wool manufacturing ... -
Prototype of an air to air thermoelectric heat pump integrated with a double flux mechanical ventilation system for passive houses
Díaz de Garayo, Sergio; Martínez Echeverri, Álvaro ; Aranguren Garacochea, Patricia ; Astrain Ulibarrena, David (Elsevier, 2021)
Artículo / Artikulua
This paper describes the design of an air-to-air thermoelectric heat pump for its integration with a double flux mechanical ventilation system for domestic use in Passive House standard. The prototype has been built and ... -
Pseudo-three-stage Miller op-amp with enhanced small-signal and large-signal performance
Paul, Anindita; Ramírez-Angulo, Jaime; López Martín, Antonio ; González Carvajal, Ramón; Rocha-Pérez, José Miguel (IEEE, 2019)
Artículo / Artikulua
A simple technique to implement highly power efficient class AB-AB Miller op-amps is presented in this paper. It uses a composite input stage with resistive local common mode feedback that provides class AB operation to ... -
Pulse coding linearization for Brillouin optical time-domain analysis sensors
Mariñelarena Ollacarizqueta, Jon ; Iribas Pardo, Haritz ; Loayssa Lara, Alayn (Optical Society of America, 2018)
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We introduce a simple method to extend the performance of pulse coding techniques in their application to Brillouin optical time-domain analysis sensors (BOTDA). It is based on applying a simple logarithmic processing on ... -
Quadcopter neural controller for take-off and landing in windy environments
Olaz Moratinos, Xabier; Aláez Gómez, Daniel; Prieto Míguez, Manuel; Villadangos Alonso, Jesús ; Astrain Escola, José Javier (Elsevier, 2023)
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This paper proposes the design of a quadcopter neural controller based on Reinforcement Learning (RL) for controlling the complete maneuvers of landing and take-off, even in variable windy conditions. To facilitate RL ... -
Quantum antenna arrays: the role of quantum interference on direction-dependent photon statistics
Liberal Olleta, Íñigo ; Ederra Urzainqui, Íñigo ; Ziolkowski, Richard W. (American Physical Society, 2018)
Artículo / Artikulua
We investigate the role of quantum interference phenomena on the characteristics of the fields radiated by an array of quantum emitters. In analogy to, but distinct from, classical outcomes, we demonstrate that the array ...
