Listar Artículos de revista ISC - ISC aldizkari artikuluak por título
Mostrando ítems 524-543 de 606
-
Straightforward nano patterning on optical fiber for sensors development
Acha Morrás, Nerea de
; Elia Lorente, Victor ; Delgado Camón, Arantzazu ; Arregui San Martín, Francisco Javier ; Elosúa Aguado, César (Optical Society of America, 2020)
Artículo / Artikulua 
A simple method to prepare a nano pattern along the surface of an optical fiber is applied in this Letter to develop a pH sensor. The template is made of a block copolymer that defines specific locations where gold nano ... -
Strain sensing based on resonant states in 2D dielectric photonic quasicrystals
Andueza Unanua, Ángel María ; Pérez Conde, Jesús ; Sevilla Moróder, Joaquín (Optica, 2021)
Artículo / Artikulua
This paper reports the numerical and experimental study of the strain sensing effect of bidimensional quasiperiodic structures made with dielectric cylinders. Structures of around 100 cylinders arranged following a Penrose ... -
Strengthened ordered directionally monotone functions. Links between the different notions of monotonicity
Sesma Sara, Mikel ; Lafuente López, Julio ; Roldán López de Hierro, Antonio Francisco; Mesiar, Radko; Bustince Sola, Humberto (Elsevier, 2019)
Artículo / Artikulua
In this work, we propose a new notion of monotonicity: strengthened ordered directional monotonicity. This generalization of monotonicity is based on directional monotonicity and ordered directional monotonicity, two recent ... -
Stripline multilayer devices based on Complementary Split Ring Resonators
Jarauta Ayensa, Eduardo; Falcone Lanas, Francisco Javier (MDPI, 2022)
Artículo / Artikulua
A new analytic design for multilayer stripline devices in planar circuit technology is presented. The Complementary Split Ring Resonator (CSRR) is used as a sub-wavelength resonant particle, which provides high-Q resonances ... -
Strong angular dependence of resonant states in 2D dielectric cylinder rings
Andueza Unanua, Ángel María ; Pérez Conde, Jesús ; Sevilla Moróder, Joaquín (AIP Publishing, 2018)
Artículo / Artikulua
We investigate collective resonators made of dielectric cylinders assembled as two-dimensional regular octagons and decagons. These structures exhibit collective resonance states that change their intensity with the incident ... -
Study of optical fiber sensors for cryogenic temperature measurements
Miguel Soto, Verónica de ; Leandro González, Daniel ; López Aldaba, Aitor ; Beato López, Juan Jesús ; Pérez de Landazábal Berganzo, José Ignacio ; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel (MDPI, 2017)
Artículo / Artikulua
In this work, the performance of five different fiber optic sensors at cryogenic temperatures has been analyzed. A photonic crystal fiber Fabry-Pérot interferometer, two Sagnac interferometers, a commercial fiber Bragg ... -
A study of OWA operators learned in convolutional neural networks
Domínguez Catena, Iris ; Paternain Dallo, Daniel ; Galar Idoate, Mikel (MDPI, 2021)
Artículo / Artikulua
Ordered Weighted Averaging (OWA) operators have been integrated in Convolutional Neural Networks (CNNs) for image classification through the OWA layer. This layer lets the CNN integrate global information about the image ... -
Study on on-chip antenna design based on metamaterial-inspired and substrate-integrated waveguide properties for millimetre-wave and THz integrated-circuit applications
Alibakhshikenari, Mohammad; Virdee, Bal S.; Althuwayb, Ayman Abdulhadi; Aïssa, Sonia; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier ; Limiti, Ernesto (Springer, 2021)
Artículo / Artikulua
This paper presents the results of a study on improving the performance parameters such as the impedance bandwidth, radiation gain and efficiency, as well as suppressing substrate loss of an innovative antenna for on-chip ... -
Sub-synchronous resonance damping control strategy for DFIG wind turbines
Samanes Pascual, Javier ; Gubía Villabona, Eugenio ; López Taberna, Jesús ; Burgos, Rolando (IEEE, 2020)
Artículo / Artikulua
Doubly-fed induction generator (DFIG) wind turbines connected to capacitive series-compensated transmission lines are prone to exhibit oscillatory behavior. The phenomena is called sub-synchronous resonances (SSRs), as ... -
Subsampling OFDM-based ultrasonic data communication through metallic channels for monitoring of cargo containers
García Oya, José Ramón; Algueta-Miguel, Jose M. ; García Doblado, José; Muñoz Chavero, Fernando; Hidalgo Fort, Eduardo; Baena Lecuyer, Vicente; López Martín, Antonio (IEEE, 2019)
Artículo / Artikulua
An enhanced ultrasonic communication system based on piezoelectric transducers for monitoring of goods in cargo containers is presented. The proposed system consists of several sensors placed inside the container, whose ... -
Sulphate soil stabilisation with magnesium binders for road subgrade construction
Seco Meneses, Andrés ; Castillo, Jesús María del ; Espuelas Zuazu, Sandra ; Marcelino Sádaba, Sara ; García, Beñat (Taylor and Francis, 2020)
Artículo / Artikulua
This paper analyzes the ability of magnesium oxide-based additives to stabilise a low bearing gypsum marly soil, in order to reach subgrade requirements. This soil was not adequate for stabilisation with lime or cement ... -
Super class AB RFC OTA using non-linear current mirrors
Garde Luque, María Pilar ; López Martín, Antonio ; Carvajal, Ramón G.; Galán, J.A.; Ramírez-Angulo, Jaime (Institution of Engineering and Technology, 2018)
Artículo / Artikulua
An alternative approach to the design of super class AB recycling folded cascode operational transconductance amplifiers is proposed. Instead of using local common-mode feedback for boosting dynamic currents, simple current ... -
Super class AB RFC OTA with adaptive local common-mode feedback
Garde Luque, María Pilar ; López Martín, Antonio ; Carvajal, Ramón G.; Ramírez-Angulo, Jaime (Institution of Engineering and Technology, 2018)
Artículo / Artikulua
A super class AB recycling folded cascode operational transconductance amplifier is presented. It employs local common-mode feedback using two matched tuneable active resistors, allowing to adapt the amplifier to different ... -
Super-gain-boosted AB-AB fully differential Miller op-amp with 156dB open-loop gain and 174MV/V MHZ pF/uW figure of merit in 130nm CMOS technology
Paul, Anindita; Ramírez-Angulo, Jaime; Díaz Sánchez, Alejandro; López Martín, Antonio ; González Carvajal, Ramón; Li, Frank X. (IEEE, 2021)
Artículo / Artikulua
A fully differential Miller op-amp with a composite input stage using resistive local common-mode feedback and regulated cascode transistors is presented here. High gain pseudo-differential auxiliary amplifiers are used ... -
Super-oscillatory metalens at terahertz for enhanced focusing with reduced side lobes
Legaria Lerga, Santiago; Pacheco-Peña, Víctor ; Beruete Díaz, Miguel (MDPI, 2018)
Artículo / Artikulua
In this paper, we design and numerically demonstrate an ultra-thin super-oscillatory metalens with a resolution below the diffraction limit. The zones of the lens are implemented using metasurface concepts with hexagonal ... -
Super-resolution of Sentinel-2 images using convolutional neural networks and real ground truth data
Galar Idoate, Mikel ; Sesma Redín, Rubén ; Ayala Lauroba, Christian; Albizua, Lourdes; Aranda, Carlos (MDPI, 2020)
Artículo / Artikulua
Earth observation data is becoming more accessible and affordable thanks to the Copernicus programme and its Sentinel missions. Every location worldwide can be freely monitored approximately every 5 days using the ... -
Supercapacitors: electrical characteristics, modelling, applications and future trends
Berrueta Irigoyen, Alberto ; Ursúa Rubio, Alfredo ; San Martín Biurrun, Idoia ; Eftekhari, Ali; Sanchis Gúrpide, Pablo (IEEE, 2019)
Artículo / Artikulua
Energy storage systems are playing an increasingly important role in a variety of applications, such as electric vehicles or grid-connected systems. In this context, supercapacitors (SCs) are gaining ground due to their ... -
A supervised fuzzy measure learning algorithm for combining classifiers
Uriz Martín, Mikel Xabier; Paternain Dallo, Daniel ; Bustince Sola, Humberto ; Galar Idoate, Mikel (Elsevier, 2023)
Artículo / Artikulua
Fuzzy measure-based aggregations allow taking interactions among coalitions of the input sources into account. Their main drawback when applying them in real-world problems, such as combining classifier ensembles, is how ... -
Suppressed-scattering spectral windows for radiative cooling applications
Pérez Escudero, José Manuel ; Torres García, Alicia E. ; Lezaun Capdevila, Carlos; Caggiano, Antonio; Peralta, Ignacio; Dolado, Jorge S.; Beruete Díaz, Miguel ; Liberal Olleta, Íñigo (Optica, 2023)
Artículo / Artikulua
The scattering of light by resonant nanoparticles is a key process for enhancing the solar reflectance in daylight radiative cooling. Here, we investigate the impact of material dispersion on the scattering performance of ... -
Surface exciton polariton resonances (SEPR)-based sensors
Vitoria Pascual, Ignacio ; Ruiz Zamarreño, Carlos ; Ozcariz Celaya, Aritz ; Imas González, José Javier ; Del Villar, Ignacio ; Matías Maestro, Ignacio (Elsevier, 2023)
Artículo / Artikulua
A new type of resonance in the development of sensors using long-range surface exciton polariton (LRSEP) phenomena has been coined: surface exciton plasmon resonance (SEPR). The resonance was obtained in the reflected ...
