BackExaminar Artículos por departamento (eus.) "Komunikazioen ingeniaritza"
Now showing items 21-40 of 193
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A Temperature Sensor Based on a Polymer Optical Fiber Macro-Bend
Tapetado Moraleda, Alberto; Vázquez García, Carmen; ; Arrue Aramburu, Juan Antonio
(MDPI, 2013-10)
The design and development of a plastic optical fiber (POF) macrobend temperature sensor is presented. The sensor has a linear response versus temperature at a fixed bend radius, with a sensitivity of 1.92.10(-3) (degrees ... -
A uniform phase representation for the harmonic model in speech synthesis applications
(Springer International Publishing, 2014-10-16)Feature-based vocoders, e.g., STRAIGHT, offer a way to manipulate the perceived characteristics of the speech signal in speech transformation and synthesis. For the harmonic model, which provide excellent perceived quality, ... -
Accurate long-term air temperature prediction with Machine Learning models and data reduction techniques
; ; ; Del Ser Lorente, Javier; (Elsevier, 2023-03)
In this paper, three customised Artificial Intelligence (AI) frameworks, considering Deep Learning, Machine Learning (ML) algorithms and data reduction techniques, are proposed for a problem of long-term summer air temperature ... -
Accurate Strain Sensing Based On Super-Mode Interference In Strongly Coupled Multi-Core Optical Fibres
; Arrizabalaga Uriarte, Oskar; Durana Apaolaza, Gaizka ; ; ; ; (Nature Publishing Group, 2017-06-30)
We report on the use of a multi-core fibre (MCF) comprising strongly-coupled cores for accurate strain sensing. Our MCF is designed to mode match a standard single mode optical fibre. This allows us to fabricate simple MCF ... -
Achieving Low Latency Communications in Smart Industrial Networks with Programmable Data Planes
Atutxa Imatz, Asier; Franco Veiga, David ; Sasiain García, Jorge ; Astorga Burgo, Jasone ; (MDPI, 2021-07-31)
Industrial networks are introducing Internet of Things (IoT) technologies in their manufacturing processes in order to enhance existing methods and obtain smarter, greener and more effective processes. Global predictions ... -
Advanced Manufacturing Centres, Practical Model to Boost Technology Transfer in Manufacturing
; ; Toledo Gandarias, Nerea; ; (MDPI, 2019-09)
Establishing collaboration strategies with interdisciplinary networks in research is a crucial success factor for the companies in any sector, especially in manufacturing for aeronautics. In the aeronautical supply chain, ... -
An Alternative Strategy to Improve the Flicker Severity Measurement
Gutiérrez Ruiz, José Julio; ; Saiz Agustín, Purificación ; ; ; (Elservier, 2014-07-12)
The IEC 61000-4-15 standard defines a flickermeter that is universally accepted as the meter used for the objective measurement of a disturbing light flicker. The accurate results provided by the IEC flickermeter under ... -
An architecture for dynamic QoS management at Layer 2 for DOCSIS access networks using OpenFlow
Huarte Arrayago, Maider; Mendiola, Alaitz; Fuentes, Victor; Matías Fraile, Jon; Astorga Burgo, Jasone ; Toledo Gandarias, Nerea ; Jacob, Eduardo (Elsevier, 2016-01-15)
Over the last few years, Software-Defined Networking (SDN) has emerged as one of the most disruptive and profitable novelties in networking. SDN was originally conceived to improve performance and reduce costs in Ethernet-based ... -
An Architecture for On-Line Measurement of the Tip Clearance and Time of Arrival of a Bladed Disk of an Aircraft Engine
(MDPI, 2017-10)Safety and performance of the turbo-engine in an aircraft is directly affected by the health of its blades. In recent years, several improvements to the sensors have taken place to monitor the blades in a non-intrusive ... -
An Empirical Comparative Study of Prediction Methods for Estimating Multipath Due to Signal Scattering from Wind Turbines on Digital TV Services
Angulo Pita, Itziar; De la Vega Moreno, David ; ; ; ; Angueira Buceta, Pablo ; Ordiales Basterrechea, Juan Luis (IEEE, 2011-04-29)
[EN] Several authors have theoretically studied the effect of wind turbines on the propagation of electromagnetic waves in the UHF band. The International Telecommunication Union also proposes a simplified model to ... -
An on-line VAD based on Multi-Normalisation Scoring (MNS) of observation likelihoods
Odriozola Sustaeta, Igor; Hernáez Rioja, Inmaculada; Navas Cordón, Eva (Elsevier Ltd., 2018-05-31)
Voice activity detection (VAD) is an essential task in expert systems that rely on oral interfaces. The VAD module detects the presence of human speech and separates speech segments from silences and non-speech noises. The ... -
An Optical Fiber Bundle Sensor for Tip Clearance and Tip Timing Measurements in a Turbine Rig
García Esteban-Barcina, Iker; ; ; Aldabaldetreku Etxeberria, Gotzon ; Illarramendi Leturia, María Asunción ; (MDPI, 2013-06)
When it comes to measuring blade-tip clearance or blade-tip timing in turbines, reflective intensity-modulated optical fiber sensors overcome several traditional limitations of capacitive, inductive or discharging probe ... -
Analysis of Few-Shot Techniques for Fungal Plant Disease Classification and Evaluation of Clustering Capabilities Over Real Datasets
Eguskiza Garcia, Itziar; Picón Ruiz, Artzai; ; Bereciartua Pérez, María Aranzazu; Eggers, Till; Klukas, Christian; ; Navarra Mestre, Ramón (Frontiers Media, 2022-03)
[EN] Plant fungal diseases are one of the most important causes of crop yield losses. Therefore, plant disease identification algorithms have been seen as a useful tool to detect them at early stages to mitigate their ... -
Analysis of NOMA-Based Retransmission Schemes for Factory Automation Applications
Iradier Gil, Eneko; Fanari, Lorenzo ; ; Montalbán Sánchez, Jon ; Angueira Buceta, Pablo ; ; (IEEE-Institute of Electrical and Electronics Engineers, 2021-02-12)
New use cases and applications in factory automation scenarios impose demanding requirements for traditional industrial communications. In particular, latency and reliability are considered as some of the most representative ... -
Analysis of the Channel Influence to Power Line Communications Based on ITU-T G.9904 (PRIME)
Llano, Asier; Angulo Pita, Itziar; Angueira Buceta, Pablo ; Arzuaga, Txetxu; De la Vega Moreno, David (MDPI, 2016-01)
ITU-T G.9904 standard, also known as PoweRline Intelligent Metering Evolution (PRIME), is a Power Line Communications standard for advanced metering, grid control and asset monitoring defined by the International ... -
Analytical efficiency evaluation of a network mobility management protocol for Intelligent Transportation Systems
Toledo Gandarias, Nerea; Higuero Aperribay, María Victoria ; Astorga Burgo, Jasone ; Aguado Castrillo, Marina ; Lagrange, Xavier (Springer, 2012)
One of the major concerns in an Intelligent Transportation System (ITS) scenario, such as that which may be found on a long-distance train service, is the provision of efficient communication services, satisfying users' ... -
Application of entropy-based features to predict defibrillation outcome in cardiac arrest
(MDPI, 2016-08)Prediction of defibrillation success is of vital importance to guide therapy and improve the survival of patients suffering out-of-hospital cardiac arrest (OHCA). Currently, the most efficient methods to predict shock ... -
Application of Pitch Derived Parameters to Speech and Monophonic Singing Classification
Sarasola, Xabier; Navas Cordón, Eva; Tavarez Arriba, David; Serrano García, Luis; Saratxaga Couceiro, Ibon ; Hernáez Rioja, Inmaculada (MDPI, 2019-08-01)
Speech and singing voice discrimination is an important task in the speech processing area given that each type of voice requires different information retrieval and signal processing techniques. This discrimination task ... -
Aspects of quality control of wind profiler measurements in complex topography
(Copernicus Gesellschaft, 2014)It is well known in the scientific community that some remote sensing instruments assume that sample volumes present homogeneous conditions within a defined meteorological profile. At complex topographic sites and under ... -
Assessment of the Evolution of End-Tidal Carbon Dioxide within Chest Compression Pauses to Detect Restoration of Spontaneous Circulation
Gutiérrez Ruiz, José Julio; Leturiondo Sota, Mikel ; Ruiz de Gauna Gutiérrez, Sofía ; Ruiz Ojeda, Jesús María ; ; González Otero, Digna María ; ; ; (Public Library Of Science, 2021-05-18)
Background Measurement of end-tidal CO2 (ETCO2) can help to monitor circulation during cardiopulmonary resuscitation (CPR). However, early detection of restoration of spontaneous circulation (ROSC) during CPR using ...