Academica-e: Recent submissions
Now showing items 1-20 of 17889
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Gap waveguide topology with reduced height pins for millimeter-wave components
A new topology for groove gap waveguide (GGW) technology is proposed to ease its manufacturing process by computer numerical control (CNC) milling. GGW technology consists of two metal plates, where one of them presents a ... -
Filtro paso banda en tecnología groove gap waveguide con altura de pines reducida para facilitar su fabricación
In this work, a novel topology of groove gap waveguide (GGW) technology is presented to facilitate the fabrication process by Computer Numerical Control (CNC) milling. GGW has been proposed as an interesting alternative ... -
Micro sized interdigital capacitor for gases detection based on graphene oxide coating
(Springer, 2023) Contribución a congreso / Biltzarrerako ekarpenaA micro sized interdigital capacitor sensible to CO2 and NO is studied in this work. The photolithography technique enables to obtain fingers with dimensions of 10 × 500 µm and separated 7 µm between them. The deposition ... -
Aluminum coated fiber optic sensor for enhancing flow rate measurement
A water flow and velocity aluminum-coated Fiber Bragg Grating sensor system for open channels was designed, simulated and tested. The sensing head was designed, ruggedized and customized to measure velocities at ... -
Assessing the causes of the low productivity of cider apple orchards in the Spanish region of Gipuzkoa
Apple cider-making has a long tradition in many northern Spanish regions, such as Gipuzkoa in the Basque Country. The production in this region is largely based on traditional local cider cultivars for which very little ... -
Modeling of MAG welding process using data mining techniques
La fabricación de componentes mecánicos mediante soldadura eléctrica es un proceso que se lleva aplicando con éxito en diferentes sectores desde comienzos del siglo XX (Automoción, Construcción, Aeronáutica…). Este proceso ... -
Mayorías y minorías
Voz "Mayorías y minorías" de la Enciclopedia de las ciencias morales y políticas para el siglo XXI: ciencias políticas y jurídicas -
Diseño de un mecanismo de propulsión para bicicleta capaz de almacenar y descargar energía mecánica producida por el usuario
La energía eléctrica todavía proviene en su mayor parte de combustiones fósiles y soluciones no ecológicas. En este artículo se describe una alternativa a la bicicleta eléctrica. Se muestra el proceso de diseño de un ... -
Optimización de un freno de disco mediante la combinación del método de los elementos finitos y algoritmos genéticos
Un freno de disco es un sistema de frenado que actúa sobre las ruedas motrices de los vehículos. Este dispositivo transforma toda o parte de la energía cinética del vehículo debida al movimiento en calor a fin de detenerlo ... -
Análisis de sensibilidad de los parámetros de configuración de un proceso de soldadura GMA
El proceso de soldadura GMA en la fabricación de componentes mecánicos es una técnica difícil de ajustar debido al elevado número variables de configuración necesarias. A pesar de ello, dicho proceso se ha aplicado con ... -
Proceso de diseño de un servofreno electromagnético con función ABS: gestión del conocimiento de la empresa
El presente trabajo presenta la metodología seguida para desarrollar un nuevo servofreno electromagnético, utilizado conjuntamente con la bomba de freno para reducir el esfuerzo a realizar por el conductor en la acción ... -
Prescription drug abuse among female survivors of intimate partner violence: a call for research
(Springer, 2023) Artículo / ArtikuluaSubstance abuse, including the misuse of prescription drugs, has increased in the last two decades around the world (McCabe, et al., 2007; National Institute on Drug Abuse [NIDA], 2023; World Health Organisation [WHO], ... -
Multi-temporal data augmentation for high frequency satellite imagery: a case study in Sentinel-1 and Sentinel-2 building and road segmentation
Semantic segmentation of remote sensing images has many practical applications such as urban planning or disaster assessment. Deep learning-based approaches have shown their usefulness in automatically segmenting large ... -
Development of a water flow and velocity optical fiber sensor for field testing
(Optica Publishing Group, 2022) Contribución a congreso / Biltzarrerako ekarpenaA water flow and velocity fiber optic sensor system was developed and tested. The sensing head was especially developed and ruggedized to measure velocities at different depths, in order to calculate the discharge in channels. -
Noise in coherently radiating periodic structures beam forming networks
Following the noise wave theory, beam forming networks based on Coherently Radiating Periodic Structures (CORPS-BFN) are analysed and proven to be capable of enhancing the Signal to Noise Ratio of the system by analogically ... -
La proporcionalidad y la justicia
La presente obra aborda una cuestión que resulta trascendental en la configuración institucional de todas las democracias modernas. Se trata, en palabras de la propia Constitución ecuatoriana, del "Principio de ... -
Evolutionary algorithms applied to multi-layered radiative cooling metamaterials
A newly design method for designing multi-layered radiative cooling metamaterials based on genetic algorithms (GAs) is exposed. The developed GA has been tested in three cases, resulting in three different structures that ... -
Pushing the limits of Sentinel-2 for building footprint extraction
Building footprint maps are of high importance nowadays since a wide range of services relies on them to work. However, activities to keep these maps up-to-date are costly and time-consuming due to the great deal of human ... -
Ordered titanium dioxide nanotubes for lossy-mode resonance-based humidity sensing
(Optica Publishing Group, 2022) Contribución a congreso / Biltzarrerako ekarpenaOrdered titanium dioxide nanotubes on indium tin oxide as a structure supporting lossy-mode resonance is reported. Capability for application of the structure for optical humidity sensing is shown as an application example. -
Long-range and high-resolution traffic monitoring based on pulse-compression DAS and advanced vehicle tracking algorithm
(Optica Publishing Group, 2022) Contribución a congreso / Biltzarrerako ekarpenaWe demonstrate traffic monitoring over tens of kilometres of road using an enhanced distributed acoustic sensing system based on optical pulse compression and a novel transformed-domain-based processing scheme with enhanced ...