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Ara es mostren els items 32-51 de 57

    • Gold standard generation using electrooculogram signal for drowsiness detection in simulator conditions 

      Rodríguez Ibáñez, Noelia; Meca-Calderón, Pablo; García González, Miguel Ángel; Ramos Castro, Juan José; Fernández Chimeno, Mireya (Springer, 2014-11-02)
      Capítol de llibre
      Accés restringit per política de l'editorial

    • Heart rate variability analysis using a seismocardiogram signal 

      Ramos Castro, Juan José; Moreno, J.; Miranda-Vidal, H.; García González, Miguel Ángel; Fernández Chimeno, Mireya; Rodas, G.; Capdevila, L. (IEEE, 2012)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Seismocardiography is a simple and non invasive method of recording cardiac activity fro m the movements of the body caused by heart pumping. In this preliminary study we use a smartphone to record this acceleration and ...

    • Initial analysis of SAR from a cell phone inside a vehicle by numerical computation. 

      Anzaldi, Gabriel; Silva Martínez, Fernando; Fernández Chimeno, Mireya; Quílez Figuerola, Marcos; Riu Costa, Pere Joan (Institution of Electrical and Electronics Engineers, 2007-05-31)
      Article
      Accés obert
      The purpose of this paper is to analyze the influence of the metallic structures of a realistic car body frame on the specific absorption rate (SAR) produced by a cell phone when a complete human body model is placed at ...

    • Mobile phones electromagnetic interference in medical environments: a review 

      Fernández Chimeno, Mireya; Silva Martínez, Fernando (2010)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      This paper presents a review of the effect of electromagnetic interferences of mobile phones in medical environment. The review is focussed in two areas, EMI in implantable devices like pacemakers or ICD, and EMI in ...

    • Monitoring drivers' ventilation using an electrical bioimpedance systems: tests in a controlled enviornment 

      Macías Macías, Raúl; García González, Miguel Ángel; Ramos Castro, Juan José; Bragós Bardia, Ramon; Fernández Chimeno, Mireya (Springer Berlin Heidelberg, 2014-11-02)
      Capítol de llibre
      Accés restringit per política de l'editorial
      As improving road safety is one of the first aims in the automotive world, several new techniques and methods are being researched in recent years. Some of them consist of monitoring the driver behavior to detect ...

    • New indices for quantification of the power spectrum of heart rate variability time series without the need of any frequency band definition 

      Ramos Castro, Juan José; Padullés, M.; Marina, M.; Bescós, R.; Iglesias, X.; Rodriguez, F. A.; García González, Miguel Ángel; Fernández Chimeno, Mireya; Ferrer, J.; Escorihuela, R.M.; Parrado Romero, Eva; Capdevila, L.; Benitez, A.; Angulo, R. (IOP PUBLISHING LTD, 2011-06-07)
      Article
      Accés restringit per política de l'editorial
      This paper presents a new family of indices for the frequency domain analysis of heart rate variability time series that do not need any frequency band definition. After proper detrending of the time series, a cumulated ...

    • Numerical assessment in aeronautics for electromagnetic environmental effects 

      Ruiz-Cabello Nuñez, Miguel David; Fernández Romero, Sergio; Pous Solà, Marc; Silva Martínez, Fernando; Fernández Chimeno, Mireya; Riu Costa, Pere Joan; Jauregui Telleria, Ricardo Ignacio (2018-01-01)
      Capítol de llibre
      Accés restringit per política de l'editorial
      Electromagnetic Compatibility for Space Systems Design is a critical scholarly resource that examines the applications of electromagnetic compatibility and electromagnetic interference in the space industry. Featuring ...

    • Obtención de micropotenciales cardíacos latido a latido por vía superficial 

      Fernández Chimeno, Mireya (Universitat Politècnica de Catalunya, 1996-07-02)
      Tesi
      Accés obert
      Para la detección no invasiva de la señal del haz de his latido a latido, es necesario que el nivel de ruido e interferencias presentes en el registro sea extremadamente bajo. El estudio del entorno de medida donde se ...

    • Obtención empírica del límite frecuencial entre las bandas de baja y altra frecuencia en análisis de variabilidad del ritmo cardíaco: aplicación en ratas y humanos 

      García González, Miguel Ángel; Fernández Chimeno, Mireya; Escorihuela, R.M.; Capdevila, Ll.; Ramos Castro, Juan José (2009-11)
      Text en actes de congrés
      Accés obert
      Se propone un nuevo método para la determinación empírica de los límites entre las bandas de baja frecuencia y alta frecuencia del espectro de potencia de las series RR en los estudios de variabilidad del ritmo cardíaco. ...

    • On the use of fractional calculus to improve the pulse arrival time (PAT) detection when using photoplethysmography (PPG) and electrocardiography (ECG) signals 

      Mohammadpoor Faskhodi, Mahtab; García González, Miguel Ángel; Fernández Chimeno, Mireya; Guede Fernández, Federico; Mateu Mateus, Marc; Capdevilla, Lluis; Ramos Castro, Juan José (Public Library of Science (PLOS), 2024-02-16)
      Article
      Accés obert
      The pulse arrival time (PAT) has been considered a surrogate measure for pulse wave velocity (PWV), although some studies have noted that this parameter is not accurate enough. Moreover, the inter-beat interval (IBI) time ...

    • Prototipo de pulsera para la medida de ECG bajo demanda y la medida continua de la onda de pulso 

      Ferrer Mileo, Víctor; Barea Cañizares, Alberto; Mateu Mateus, Marc; Guede Fernández, Federico; Fernández Chimeno, Mireya; Ramos Castro, Juan José; García González, Miguel Ángel (Universitat Politècnica de València, 2016)
      Comunicació de congrés
      Accés obert
      El interés en la variabilidad de ritmo cardiaco (HRV) y la estimación de la presión arterial a partir del tiempo de llegada de la onda de pulso (PAT) se ha incrementado exponencialmente en los últimos años debido a los ...

    • Real time heart rate variability assessment from android smartphone camera photoplethysmography: postural and device influences 

      Guede Fernández, Federico; Ferrer Mileo, Víctor; Ramos Castro, Juan José; Fernández Chimeno, Mireya; García González, Miguel Ángel (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The aim of this paper is to present a smartphone based system for real-time pulse-to-pulse (PP) interval time series acquisition by frame-to-frame camera image processing. The developed smartphone application acquires ...

    • Resilience of QPSK radio links under narrowband and broadband electromagnetic interferences 

      Ali, Asif; Fernández Chimeno, Mireya; Azpúrua Auyanet, Marco Aurelio (Institute of Electrical and Electronics Engineers (IEEE), 2024)
      Article
      Accés obert
      Electromagnetic interference has the potential to affect the functionality and performance of radio communication links. This work investigates the impact electromagnetic disturbances have on such wireless links, taking ...

    • RFID system evaluation against radiated transient noise 

      Pous Solà, Marc; Fernández Chimeno, Mireya; Silva Martínez, Fernando (2010)
      Text en actes de congrés
      Accés obert
      In this paper a radiofrequency identification system according to standard ISO/IEC 14443 type-B is evaluated in presence of transient noise. This real time communication system working at 13.56 MHz is interfered in a ...

    • RFID systems in medical environment: EMC issues 

      Fernández Chimeno, Mireya; Silva Martínez, Fernando (2010)
      Comunicació de congrés
      Accés obert
      RFID is a promising technology in the healthcare area in order to improve patient safety and increase efficiency and reduce costs in the daily healthcare work. This paper analyzes the available literature regarding both ...

    • SeniorFit : Una aplicación móvil para el seguimiento de la adherencia a estilos de vida saludable para gente mayor 

      Guede Fernández, Federico; Ferrer Mileo, Víctor; Fernández Chimeno, Mireya; Ramos Castro, Juan José; García González, Miguel Ángel (Universitat Politècnica de València, 2016)
      Comunicació de congrés
      Accés obert
      El envejecimiento progresivo de la población en los países desarrollados exige la promoción de estilos de vida saludables para fomentar el envejecimiento activo. En este trabajo se presenta una aplicación denominada ...

    • Sistemas de test automático : curso de laboratorio 

      Fernández Chimeno, Mireya; García González, Miguel Ángel; Ramos Castro, Juan José; Riu Costa, Pere Joan; Rosell Ferrer, Francisco Javier (Edicions UPC, 1999)
      Llibre
      Accés restringit a la comunitat UPC
      Este libro es un curso de laboratorio formado por 9 prácticas, mediante las cuales se pretende conseguir tres objetivos: Dar conocer a los estudiantes de electrónica una herramienta real y de amplia aceptación industrial ...

    • SIVA UAV: a case study for the EMC analysis of composite air vehicles 

      Cabello, Miguel R.; Vallina Fernández, Sergio Manuel; Pous Solà, Marc; Pascual, Enrique; Angulo, Luis D.; López, Patricia; Riu Costa, Pere Joan; Gutierrez, Guadalupe G.; Mateos, Daniel; Poyatos, David; Fernández Chimeno, Mireya; Alvarez, Jesus; Pantoja, Mario F.; Añón, Manuel; Silva Martínez, Fernando; Bretones, Amelia R.; Trallero, Rafael; Nuño Fernández, Luis; Escot, David; Martin, Rafael G.; Garcia, Salvador G. (2017-08-01)
      Article
      Accés obert
      The increased use of carbon-fiber composites in unmanned aerial vehicles is a challenge for their EMC assessment by numerical solvers. For accurate and reliable simulations, numerical procedures should be tested not only ...

    • Synchrosqueezing index for detecting drowsiness based on the respiratory effort signal 

      Rodríguez-Ibáñez, N.; García González, Miguel Ángel; Fernández Chimeno, Mireya; De Rosario, H.; Ramos Castro, Juan José (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Objective: The aim of this work is to evaluate a new index to assess the alertness state of drivers based on the respiratory dynamics derived from an inductive band using the variability of the respiratory rhythms assessed ...

    • Textile electrode characterization: Dependencies in the skin-clothing-electrode interface 

      Macías Macías, Raúl; Fernández Chimeno, Mireya; Bragós Bardia, Ramon (IOPScience, 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Given the advances in the technology known as smart textiles, the use of textile electrodes is more and more common. However this kind of electrodes presents some differences regarding the standard ones as the Ag-AgCl ...