Browsing by Author "Universitat Ramon Llull. La Salle"
Now showing items 1-20 of 982
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1st International Workshop on Media Studies and Implementations that help Improving Access to Disabled Users (MSIADU’09)
García Pañella, Óscar; Villegas Portero, Eva; Duran, Jaume; Figlioli, Aline (Proceedings of the 17h ACM International Conference on Multimedia, 2009-10)This Workshop is based on the work carried out during the 3rd International Workshop on Human-Centered Computing (HCC08) held at the ACM Multimedia 2008 conference in Vancouver [1]. There, participants ... -
A BiCMOS discriminator interface for the SPD
Diéguez, A.; Bota, S.; Gascón, D.; Garrido, L.; Roselló-Canal, Maria del Mar; LHCb Collaboration - CERN (2000-09)A prototype chip for the analogue readout of the SPD in the LHCb Calorimeter is presented. The chip has been designed using the 0.8mm-BiCMOS technology of AMS and optimised for minimum size and ... -
A Comparative Survey of Feature Extraction and Machine Learning Methods in Diverse Acoustic Environments
Monserrat Mesquida, Margalida; Alsina-Pagès, Rosa Ma (Sensors, 2021, Vol. 21, No. 4, 2021-02)Acoustic event detection and analysis has been widely developed in the last few years for its valuable application in monitoring elderly or dependant people, for surveillance issues, for multimedia ... -
A comprehensive sounding of the ionospheric HF radio link from Antarctica to Spain
Ads, Ahmed Gamal; Bergadà Caramés, Pau; Vilella Parra, Carles; Regué, Joan Ramon; Pijoan Vidal, Joan Lluís; Bardají Benach, Raúl; Mauricio Ferré, Juan (Radio Science, 2013. Vol.48, 1, Gener - Febrer, 2013-01)Since 2003, our group has been investigating the performance of different transmission techniques for low-power low-interference High Frequency (HF) ionospheric communication systems. Specifically, we ... -
A custom approach for a flexible, real-time and reliable software defined utility
Zaballos Diego, Agustín; Navarro Martín, Joan; Martín de Pozuelo, Ramon (Sensors. 2018, Vol. 18. 3, 2018-02)Information and communication technologies (ICTs) have enabled the evolution of traditional electric power distribution networks towards a new paradigm referred to as the smart grid. However, the different ... -
A Genetic QoS-Aware Routing Protocol for the Smart Electricity Networks
Zaballos Diego, Agustín; Vernet Bellet, David; Selga Jorba, Josep Maria (International Journal of Distributed Sensor Networks. 2013., 2013-09)This paper presents a QoS-aware routing protocol suitable for distribution of smart electricity grids based on heterogeneous machine to machine communications. The distribution Smart Grid needs high ... -
A Heterogeneous Layer-Based Trustworthiness Model for Long Backhaul NVIS Challenging Networks and an IoT Telemetry Service for Antarctica
Mallorquí Campà, Adrià; Zaballos Diego, Agustín (Sensors, 2021, 21 (10), 2021-05)Antarctica is a key location for many research fields. The lack of telecommunication systemsthat interconnect remote base camps hardens the possibility of building synergies among differentpolar research ... -
A Heuristic to Create Prosumer Community Groups in the Social Internet of Energy
Caballero Codina, Víctor; Vernet Bellet, David; Zaballos Diego, Agustín (Sensors, 2020, Vol. 20 No 13, 2020-07)Contrary to the rapid evolution experienced in the last decade of Information andCommunication Technologies and particularly the Internet of Things, electric power distributionsystems have ... -
A Hybrid Method Oriented to Concatenative Text-to-Speech Synthesis
Iriondo Sanz, Ignasi; Alías Pujol, Francesc; Sanchís Bernabeu, Francisco Javier; Melenchón Maldonado, Javier (2003-09-01)In this paper we present a speech synthesis method for diphonebased text-to-speech systems. Its main goal is to achieve prosodic modifications that result in more natural-sounding synthetic speech. This ... -
A Methodology to Study the University’s Online Teaching Activity from Virtual Platform Indicators: The Effect of the Covid-19 Pandemic at Universitat Politècnica de Catalunya
Prat, Joana; Llorens, Ariadna; Salvador, Francesc; Alier, Marc; Amo Filvà, Daniel (Sustainability, 2021, 13 (9), 2021-05)The Covid-19 pandemic led Catalan universities to do all teaching and evaluation onlinefrom 11 March 2020 until the end of term on 30 July. Conventional universities made the transition toonline teaching ... -
A model-independent Dalitz plot analysis of B±→DK± with D→K0Sh+h− (h=π,K) decays and constraints on the CKM angle γ
Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physics Letters B , 2015, Vol. 718, No. 1 (Novembre), 2012-11-15)A binned Dalitz plot analysis of B± → DK± decays, with D → K0 Sπ+π− and D → K0 S K+K−, is performed to measure the CP-violating observables x± and y± which are sensitive to the CKM angle γ . The analysis ... -
A new method to assess how curricula prepare students for the workplace in higher education
Riu, David; Casabayo, Monica; Sayeras, Josep M.; Rovira, Xari; Agell, Núria (© Educational review, 2020-02-03)Curricula are an essential ingredient of academic activity in higher education institutions and so it is necessary to develop tools that help improve these curricula. The need to increase student ... -
A Pitch Marks Filtering Algorithm Based on Restricted Dynamic Programming
Alías Pujol, Francesc; Monzó Sánchez, Carlos; Socoró Carrié, Joan Claudi (2006-09-17)In this paper, a generic pitch marks filtering algorithm (PMFA) is introduced in order to achieve reliable and smooth pitch marks from any input pitch tracking or marking algorithm. The proposed PMFA ... -
A preamble to the use of ChatGPT in education
Bernet Andrés, Sergi; Burgarolas Sobejano, Guillermo; Calvo Gomez, Miriam; Garcia Piquer, Alvaro; García Sánchez, Juan Manuel; Golobardes Ribé, Elisabet; Martín Sujo, Jessie; Rodríguez de la Torre, Antonio; Valls Canudas, Núria; Vilasis-Cardona, Xavier (Actes de la 3a Jornada de Recerca, Docència i Innovació Docent, 2023-01-25)To contribute to the framing of the discussion on the use of ChatGPT in education, a brief explanation on its structure and technology is presented. -
A Privacy-Oriented Local Web Learning Analytics JavaScript Library with a Configurable Schema to Analyze Any Edtech Log: Moodle’s Case Study
Amo Filvà, Daniel; Cea Torrescassana, Sandra; Jiménez Burayag, Nicole Marie; Gómez Ponce, Pablo; Figlioli, Aline (Sustainability, 2021, 13 (9), 2021-05)Educational institutions are transferring analytics computing to the cloud to reduce costs.Any data transfer and storage outside institutions involve serious privacy concerns, such as studentidentity ... -
A qualitative approach to help adjust the design of management subjects in ICT engineering undergraduate programs through user experience in a smart classroom context
Petchamé, Josep; Iriondo, Ignasi; Villegas, Eva; Romero Yesa, Susana; Aláez, Marian (Sensors, 2021-07-12)Qualitative research activities, including first-day of class surveys and user experience interviews on completion of a subject were carried out to obtain students’ feedback in order to improve the ... -
A Really low voltage solar MPPT
Coma Ramirez, Pau (2010)Energy harvesting or scavenging describes the process of extracting useful electrical energy from other ambient energy sources. Three main sources of ambient energy include vibrational, thermal and solar ... -
A Review of physical and perceptual feature extraction techniques for speech, music and environmental sounds
Alías Pujol, Francesc; Socoró Carrié, Joan Claudi; Sevillano Domínguez, Xavier (Applied Sciences. 2016, Vol. 6, No.5 (Maig), 2016-05)Endowing machines with sensing capabilities similar to those of humans is a prevalent quest in engineering and computer science. In the pursuit of making computers sense their surroundings, a huge effort ... -
A Smart Campus’ Digital Twin for Sustainable Comfort Monitoring
Zaballos Diego, Agustín; Briones Delgado, Alan; Massa, Alba; Centelles Perxés, Pol; Caballero Codina, Víctor (Sustainability, 2020, Vol. 12, No. 21, 2020-11)Interdisciplinary cross-cultural and cross-organizational research offers great opportunities for innovative breakthroughs in the field of smart cities, yet it also presents organizational and knowledge ... -
A study of CP violation in B±→DK± and B±→Dπ± decays with D→K0SK±π∓ final states
Badalov, Alexey; Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physics Letters B , 2014, Vol. 733 (Juny), 2014-06-02)A first study of CP violation in the decay modes B±→[K0SK±π∓]Dh± and B±→[K0SK∓π±]Dh±, where h labels a K or π meson and D labels a D0 or D⎯⎯⎯0 meson, is performed. The analysis uses the LHCb data set ...