Listar Comunicaciones y ponencias de congresos - Biltzarrak eta Argitalpenak por título
Mostrando ítems 479-498 de 808
-
Measurement of paracetamol concentration using a fiber laser system
Soares, Liliana; Pérez Herrera, Rosa Ana
; Novais, Susana; Ferreira, António; Frazão, Orlando; Silva, Susana (IEEE, 2023)
Contribución a congreso / Biltzarrerako ekarpena 
A linear fiber laser system for measurements of paracetamol concentration is experimentally demonstrated. The cavity is based on a fiber loop mirror and an FBG centered at 1567.8 nm. The sensing head corresponds to a ... -
Measurements of a new gaussian profile corrugated horn antenna for millimeter wave applications
Gonzalo García, Ramón ; Martí Canales, J.; Teniente Vallinas, Jorge ; Río Bocio, Carlos del ; Sorolla Ayza, Mario (IEEE, 1998)
Contribución a congreso / Biltzarrerako ekarpena
The measurements results of a new design of corrugated horn antennas [1, 2, 3] following the gaussian expansion are presented in this paper. The performance of two corrugated horn antennas of this kind was verified in ... -
Mechanical sensitivity analysis of strain gauge configurations in the main shaft of wind turbines
Bacaicoa Díaz, Julen ; Iriarte Goñi, Xabier ; Aginaga García, Jokin ; Plaza Puértolas, Aitor (IOP Publishing, 2022)
Contribución a congreso / Biltzarrerako ekarpena
Wind turbines are reaching their remaining useful life, thus it is important to guarantee the well status of its components. A common way to check the status is to measure the loads on the Low Speed Shaft with strain gauges, ... -
Medida de torsión en seguidores solares con sensores de fibra óptica
Leandro González, Daniel ; Bravo Acha, Mikel ; López-Amo Sáinz, Manuel ; Loayssa Lara, Alayn; Júdez Colorado, Aitor ; Mariñelarena Ollacarizqueta, Jon ; Falcone Lanas, Francisco Javier ; Jiménez Romero, Sergio; Moriana García, Iñaki (SEDOPTICA, 2021)
Contribución a congreso / Biltzarrerako ekarpena
En este trabajo se ha monitorizado la torsión sufrida por una estructura de seguidores solares empleando sensores de fibra óptica. Estas medidas de campo se han obtenido con una red de sensores formada por 45 redes de ... -
Mejora de antenas metalo-dieléctricas en la banda de frecuencias GSM-UMTS mediante elementos en transmisión extraordinaria
Illescas, Jesús; Estévez González, Aritz; Falcone Lanas, Francisco Javier ; Marcotegui, José Antonio (2009)
Contribución a congreso / Biltzarrerako ekarpena
In this work a dual band GSM/UMTS antenna is proposed. The antenna is based on a stacked planar structure, where the combination of collimation by Enhanced Transmission and the use of parasitic director elements is ... -
Mejora de las características de antenas usando superestratos parche-slot-parche (PSP)
Betancourt Quiñones, Diego; Ibáñez Loinaz, Asier; Río Bocio, Carlos del (2005)
Contribución a congreso / Biltzarrerako ekarpena
In this paper the novel Patch-Slot-Patch (PSP) structure is presented. The frequency resonate characteristics of this structure are calculated and measured. Gain enhancement of 15 dB is obtained for PSP structure as ... -
Mejoras de los parametros de radiacion de una antena choque-gaussiana para cobertura global
Teniente Vallinas, Jorge ; Gonzalo García, Ramón ; Río Bocio, Carlos del (2004)
Contribución a congreso / Biltzarrerako ekarpena
Extremely low sidelobe horn antennas are often required for the actual technology. This type of horn antennas is important to avoid interference with other systems. In this paper a novel design, consisting in attaching ... -
Mejoras en la identificación de tráfico de aplicación basado en firmas
Santolaya Bea, Néstor; Magaña Lizarrondo, Eduardo ; Izal Azcárate, Mikel ; Morató Osés, Daniel (2008)
Contribución a congreso / Biltzarrerako ekarpena
Traffic identification has been based traditionally on transport protocol ports, associating always the same ports with the same applications. Nowadays that assumption is not true and new methods like signature identification ... -
Las memorias de sostenibilidad de la Global Reporting Initiative
Archel Domench, Pablo (Gobierno de Navarra, Departamento de Economía y Hacienda, 2003)
Contribución a congreso / Biltzarrerako ekarpena
En la pasada cumbre de Johanesburgo tuvo lugar la presentación de la Guía para la elaboración de memorias de sostenibilidad de la Global Reporting Initiative (GRI), un extenso documento que contiene pautas para orientar ... -
Meta-material behaviour of the new Coherently Radiating Periodic Structures (CORPS)
Betancourt Quiñones, Diego; Ibáñez Loinaz, Asier; García Esparza, Raúl ; Río Bocio, Carlos del (2005)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, the study of the new Coherently Radiating Periodic Structures (CORPS) like a Metamaterial sets out. The shape of the structure under study is composed by two different layers, one layer is an array of ... -
Metal 3D printed D-Band waveguide to surface wave transition
Freer, Suzanna; Martinez, Rafael; Pérez Quintana, Dayan ; Beruete Díaz, Miguel ; Hanham, Stephen M.; Attallah, Moataz M.; Navarro Cía, Miguel (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
The coupling efficiency between free space waves and surface waves is low, narrowband, or both. Highly efficient broadband (better than 20% fractional bandwidth) coupling from waveguide modes can be achieved through ... -
Metamaterials as super-substrate to enhance dipole antenna performances
Sáenz Sáinz, Elena; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Maagt, Peter de (2004)
Contribución a congreso / Biltzarrerako ekarpena
In this work, pass band properties of Left Handed Media (LHM) are demonstrated. These properties have been used in order to make a LHM super-substrate that is put over a dipole antenna. This super-substrate is going to ... -
La metodología mixta en las investigaciones en Ciencias de la Salud. Retos y emergencias
García-Orellán, Rosa (2015)
Contribución a congreso / Biltzarrerako ekarpena
El objetivo de esta presentación es mostrar los retos en los que nos sumergen las investigaciones en enfermería que aplica una metodología mixta (cuantitativa y cualitativa). El segundo objetivo es profundizar en la ... -
Micro sized interdigital capacitor for gases detection based on graphene oxide coating
Vitoria Pascual, Ignacio ; Armas, Dayron; Coronel Camones, Carlos Manuel; Algarra González, Manuel; Ruiz Zamarreño, Carlos ; Matías Maestro, Ignacio ; Mukhopadhyay, Subhas C. (Springer, 2023)
Contribución a congreso / Biltzarrerako ekarpena
A 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 ... -
Micro sized interdigital capacitor for humidity detection based on agarose coating
Vitoria Pascual, Ignacio ; Armas, Dayron; Coronel Camones, Carlos Manuel; Ozcariz Celaya, Aritz ; Ruiz Zamarreño, Carlos ; Matías Maestro, Ignacio (2021)
Contribución a congreso / Biltzarrerako ekarpena
A micro sized interdigital capacitor has been proposed for the detection of relative humidity. The photolithography technique enables the fabrication of fingers with a size of 10x500 um. A thin film of agarose functionalizes ... -
Micro-displacement sensor based on hollow core fiber interferometers
Dauliat, R.; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel ; Pérez Herrera, Rosa Ana ; Rodríguez Rodríguez, Armando; Sánchez González, Arturo (Optica, 2022)
Contribución a congreso / Biltzarrerako ekarpena
An interferometric sensor based on hollow core fibers for the measurement of micro-displacement has been designed. Its characterization has resulted in a linear response, suggesting its application in pressure sensors. -
Micro-displacement sensor based on hollow core fiber interferometers
Sánchez González, Arturo; Rodríguez Rodríguez, Armando; Dauliat, R.; Jamier, Raphael; Roy, Philippe; Pérez Herrera, Rosa Ana ; López-Amo Sáinz, Manuel (Optica, 2022)
Contribución a congreso / Biltzarrerako ekarpena
An interferometric sensor based on hollow core fibers for the measurement of micro-displacement has been designed. Its characterization has resulted in a linear response, suggesting its application in pressure sensors. -
Micro-drilled optical fiber for enhanced laser strain sensors
Pérez Herrera, Rosa Ana ; Bravo Acha, Mikel ; Roldán Varona, Pablo; Leandro González, Daniel ; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel (SPIE, 2019)
Contribución a congreso / Biltzarrerako ekarpena
In this work, we present an experimental measurement of temperature and strain sensitivities of a micro-drilled optical fiber (MDOF). The MDOF consisted of a quasi-randomly distributed reflector along a single mode fiber ... -
Microstructured optical fiber sensor for soil moisture measurements
López Aldaba, Aitor; López Torres, Diego ; Campo-Bescós, Miguel ; López Rodríguez, José Javier ; Yerro Lizarazu, David; Elosúa Aguado, César ; Arregui San Martín, Francisco Javier ; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel (Optical Society of America, 2018)
Contribución a congreso / Biltzarrerako ekarpena
A discrete sensor based on a Sn0₂-FP (Fabry-Pérot) cavity is presented and characterized in real soil conditions. Results are compared, for the first time to our knowledge, with a commercial capacitive sensor and gravimetric ... -
Mid-air contactless haptics to augment VR experiences
Ezcurdia Aguirre, Íñigo Fermín ; Fernández Ortega, Unai Javier; Olaz Moratinos, Xabier; Marzo Pérez, Asier (Association for Computing Machinery, 2023)
Contribución a congreso / Biltzarrerako ekarpena
We present four technologies to deliver contactless haptic stimuli for enriching Virtual Reality (VR) experiences. The technologies are electrostatic piloerection, focused light-induced heat, electric plasma, and ultrasound; ...
