Listar Artículos de revista - Aldizkari artikuluak por título
Mostrando ítems 13-32 de 5843
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2023, Casals y el azar
Sáenz Abárzuza, Igor
(Associació Webdemusica.org, 2023)
Artículo / Artikulua 
Artículo escrito con motivo del cincuenta aniversario de la muerte de Pau Casals. -
25 years of continuous sewage sludge application vs. mineral fertilizers on a calcareous soil affected pH but not soil carbonates
De Soto García, I. S. ; Zamanian, Kazem; Urmeneta Martín-Calero, Henar; Enrique Martín, Alberto ; Virto Quecedo, Íñigo (Frontiers Media, 2022)
Artículo / Artikulua
Inorganic and organic fertilizers have been widely used to maintain crop yields. However, several studies have demonstrated that the dissolution of carbonates in agricultural soils by the acidification induced by N-fertilizers ... -
250 km ultra long remote sensor system based on a fiber loop mirror interrogated by an OTDR
Bravo Acha, Mikel ; Baptista, José Manuel; Santos, José Luís; López-Amo Sáinz, Manuel ; Frazão, Orlando (Optical Society of America, 2011)
Artículo / Artikulua
A 253 km ultra long remote displacement sensor system based on a fiber loop mirror interrogated by a commercial OTDR is proposed and experimentally demonstrated. The use of a fiber loop mirror increases the signal to noise ... -
A 3-D indoor analysis of path loss modeling using kriging techniques
Diago Mosquera, Melissa; Aragón Zavala, Alejandro; Azpilicueta Fernández de las Heras, Leyre ; Shubair, Raed M.; Falcone Lanas, Francisco Javier (IEEE, 2022)
Artículo / Artikulua
This study proposes a novel measurement-based method to predict and model three-dimensional (3-D) path loss in indoor scenarios, which first regresses 28 GHz measurements via median path loss modeling and then includes ... -
3-D printed horn antennas and components performance for space and telecommunications
(IEEE, 2018) Artículo / Artikulua
In this work, a study of the performance of several antennas and components, manufactured using an accurate stereolithography 3D printer and resin for maximum accuracy and detail, is carried out. Electroless plating of ... -
3-D-printed transmit-array antenna for broadband backhaul 5G links at V-band
Matos, Sérgio A.; Teixeira, Jorge P.; Costa, Jorge R.; Fernandes, Carlos A.; Río Bocio, Carlos del (IEEE, 2020)
Artículo / Artikulua
The low cost and compactness of transmit-array antennas (TAs) make them attractive for 5G backhaul links. However, the TA advantage is less obvious when considering the broadband operation requirement. Two main factors ... -
300 GHz optoelectronic transmitter combining integrated photonics and electronic multipliers for wireless communication
Ali, Muhsin; Pérez Escudero, José Manuel ; Guzmán Martínez, Robinson Cruzoe; Lo, Mu Chieh; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón ; García Muñoz, Luis Enrique (MDPI, 2019)
Artículo / Artikulua
THz communications systems at carrier frequencies above 200 GHz are the key to enable next-generation mobile communication networks with 100 Gbit/s wireless data rates. One of the key questions is, which carrier frequency ... -
360 nW gate-driven ultra-low voltage CMOS linear transconductor with 1 MHz bandwidth and wide input range
Rico-Aniles, Héctor Daniel; Ramírez-Angulo, Jaime; López Martín, Antonio ; González Carvajal, Ramón (IEEE, 2020)
Artículo / Artikulua
A low voltage linear transconductor is introduced. The circuit is a pseudo differential architecture that operates with ±0.2V supplies and uses 900nA total biasing current. It employs a floating battery technique to achieve ... -
A 3D ray launching time-frequency channel modeling approach for UWB ranging applications
Otim, Timothy; López Iturri, Peio ; Azpilicueta Fernández de las Heras, Leyre ; Bahillo, Alfonso; Falcone Lanas, Francisco Javier (IEEE, 2020)
Artículo / Artikulua
Ultrawideband (UWB) has the ability to achieve decimetre level of ranging accuracy, hence, its wider usage nowadays in the field of positioning. In spite of the attractiveness of UWB, its performance is strongly dependent ... -
3D-printed 96 GHz bull’s-eye antenna with off-axis beaming
Beaskoetxea Gartzia, Unai ; Maci, Stefano; Navarro Cía, Miguel ; Beruete Díaz, Miguel (IEEE, 2017)
Artículo / Artikulua
Reducing the profile, footprint and weight of antennas embarked on aircrafts, drones or satellites has been a long pursued objective. Here we tackle this issue by developing a millimeter-wave 96 GHz elliptical Bull’s-Eye ... -
The 3D-printing fabrication of multichannel silicone microreactors for catalytic applications
Ibáñez de Garayo Quilchano, Alejandro; Imizcoz Aramburu, Mikel; Maisterra Udi, Maitane; Almazán, Fernando; Sanz Carrillo, Diego; Bimbela Serrano, Fernando ; Cornejo Ibergallartu, Alfonso ; Pellejero, Ismael ; Gandía Pascual, Luis (MDPI, 2023)
Artículo / Artikulua
Microstructured reactors (MSRs) are especially indicated for highly demanding heterogeneous catalysis due to the small channel dimensions that minimize diffusional limitations and enhance mass and heat transport between ... -
3D-ray launching MIMO channel geometric estimation
Rodríguez Corbo, Fidel Alejandro; Azpilicueta Fernández de las Heras, Leyre ; Celaya Echarri, Mikel ; Shubair, Raed M.; Falcone Lanas, Francisco Javier (IEEE, 2022)
Artículo / Artikulua
The complete multiple-input–multiple-output (MIMO) channel simulation in deterministic techniques can be a computationally intensive task, due to the inherent scenario’s complexity and number of antennas. The spatial ... -
46-km-long Raman amplified hybrid double-bus network with point and distributed Brillouin sensors
Fernández Vallejo, Montserrat; Olier Aguado, David; Zornoza Indart, Ander; Pérez Herrera, Rosa Ana ; Díaz Lucas, Silvia ; Elosúa Aguado, César ; Bariáin Aisa, Cándido ; Loayssa Lara, Alayn ; López-Amo Sáinz, Manuel (IEEE, 2012)
Artículo / Artikulua
We experimentally demonstrate a 46-km hybrid network that combine point and distributed Brillouin sensors. The proposed sensor network multiplexes low-cost intensity point sensors based on fiber-optic tapers, which are ... -
4P operational harmonic and blade vibration in wind turbines: a real case study of an active yaw system and a concrete tower
Torres Elizondo, Antonio; Gil Soto, José Javier; Plaza Puértolas, Aitor ; Aginaga García, Jokin (Elsevier, 2024)
Artículo / Artikulua
This study aims to comprehensively investigate the impact of mechanical loads on the performance and lifetime of wind turbines, with particular emphasis on blade vibration at the 4P operational harmonic. Experiments and ... -
50 años de Fontes Linguae Vasconum: pasado, presente y futuro
Santazilia Salvador, Ekaitz (Eusko Ikaskuntza, 2019)
Artículo / Artikulua
La revista de lingüística vasca Fontes Linguae Vasconum: studia et documenta (FLV), publicada por la Institución Príncipe de Viana del Gobierno de Navarra, ha cumplido este año medio siglo. Estos cincuenta años han dado ... -
5G spatial modeling of personal RF-EMF assessment within aircrafts cabin environments
Celaya Echarri, Mikel ; Azpilicueta Fernández de las Heras, Leyre ; Rodríguez Corbo, Fidel Alejandro; López Iturri, Peio ; Shubair, Raed M.; Ramos González, Victoria; Falcone Lanas, Francisco Javier (IEEE, 2022)
Artículo / Artikulua
Recently, new wireless communication systems within aircrafts cabins have drawn higher attention due to the growing demand of passenger services and applications and their corresponding requirements and constraints. In ... -
60 GHz single-layer slot-array antenna fed by groove gap waveguide
Ferrando Rocher, Miguel; Valero Nogueira, Alejandro; Herranz Herruzo, José I.; Teniente Vallinas, Jorge (IEEE, 2019)
Artículo / Artikulua
A V-band single-layer low-loss slot-array antenna is presented in this letter. Radiating slots are backed by coaxial cavities, which are fed through a groove gap waveguide E-plane corporate feed network. Cavity resonances ... -
77-GHz high-gain bull’s-eye antenna with sinusoidal profile
Beaskoetxea Gartzia, Unai ; Pacheco-Peña, Víctor ; Orazbayev, Bakhtiyar ; Akalin, Tahsin; Maci, Stefano; Navarro Cía, Miguel (IEEE, 2015)
Artículo / Artikulua
A high-gain Bull’s-Eye leaky-wave horn antenna working at 77 GHz with sinusoidal profile has been designed, fabricated, and experimentally measured. The influence of the number of periods on the gain and beamwidth is ... -
8ª Edición de la Escuela de verano de Ecología de Navarra: ecólogas/os por un día
Imbert Rodríguez, Bosco ; Blanco Vaca, Juan Antonio (Asociación Española de Ecología Terrestre, AEET, 2022)
Artículo / Artikulua
Durante los pasados 23 y 24 de junio tuvo lugar la 8ª edición de la Escuela de Verano de Ecología de Navarra de la Universidad Pública de Navarra (UPNA) con el título ‘Ecólogas/os por un día’. En la jornada se impartieron ... -
948 Merkatua. Hacia un cambio de modelo en el sector profesional de la música
Sáenz Abárzuza, Igor (Gobierno de Navarra. Institución Príncipe de Viana, 2018)
Artículo / Artikulua
El artículo trata sobre el '948 Merkatua-Mercado de las Artes de Navarra', celebrado en Pamplona, que buscaba posicionarse como un mercado estratégico profesional de las artes. La primera edición se celebró en 2017 con 166 ...
