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Ara es mostren els items 1-20 de 71

    • A design method for active high-CMRR fully-differential circuits 

      Hornero Ocaña, Gemma; Casas Piedrafita, Óscar; Spinelli, Enrique Mario; Haberman, Marcelo (InderScience Publishers, 2012)
      Article
      Accés obert

    • A Fully Differential Synchronous Demodulator for AC Signals 

      González Landaeta, Rafael; Cota Ruiz, Juan; Sifuentes, Ernesto; Díaz, José; Casas Piedrafita, Óscar (2019-02-22)
      Article
      Accés restringit per política de l'editorial
      A novel fully differential (FD) demodulator is presented. Using different design strategies, the circuit can be used for processing amplitude-modulated (AM) signals obtained from impedance measurements or coming from ...

    • A hands-on approach to differential circuit measurements 

      Pallàs-Areny, Ramon; Casas Piedrafita, Óscar (Elsevier, 2007-01)
      Article
      Accés obert
      Electronic engineering is showing a definite trend towards differential circuits. However, most measurement instruments are single-ended. Consequently, engineering graduates often lack the skills to perform correct ...

    • A noninvasive, concealed electrocardiogram and bioimpedance measurement system for captive primates 

      Serrano Finetti, Roberto Ernesto; Hornero Ocaña, Gemma; Mainar Álvarez, Sergio; López, Francisco; Crailsheim, Dietmar; Feliu, Olga; Casas Piedrafita, Óscar (2023-08-21)
      Article
      Accés obert
      Captive housed non-human primates, specifically great apes such as chimpanzees (Pan troglodytes) are frequently reported to have died from or are diagnosed with potentially fatal heart conditions that require the monitoring ...

    • A novel low-cost smart leaf wetness sensor 

      Hornero Ocaña, Gemma; Gaitán Pitre, Jorge Eliécer; Serrano Finetti, Roberto Ernesto; Casas Piedrafita, Óscar; Pallàs-Areny, Ramon (2017-12-01)
      Article
      Accés obert

    • A sounding rocket experiment to control boiling by means of acoustic waves 

      Quintana Buil, Guillem; Garcia Sabaté, Anna; Batlle, Sergi; López, Gabriel; Sierra, Víctor; Casas Piedrafita, Óscar; González Cinca, Ricardo (2018-01-01)
      Article
      Accés obert
      One of the most critical issues when considering long-term space exploration missions is the management and storage of cryogenic propellants. The exposure of storage tanks to radiation and extreme temperatures implies the ...

    • A wireless augmentative and alternative communication system for people with speech disabilities 

      Hornero Ocaña, Gemma; Quílez Figuerola, Marcos; Casas Piedrafita, Óscar (Institute of Electrical and Electronics Engineers (IEEE), 2015-08-19)
      Article
      Accés obert
      An augmentative and alternative communication (AAC) device for people with speech disabilities is presented. This AAC system exhibits the advantages of two currently used systems: 1) usability of the communication boards ...

    • Acreditació de la qualitat en sis assignatures de l'EPSC 

      Hernández Marco, Jordi; Bará Temes, Francisco Javier; Casas Piedrafita, Óscar; Jordana Barnils, José; Meseguer Pallarès, Roc; Valero García, Miguel (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2005-07)
      Text en actes de congrés
      Accés obert
      El projecte “Acreditació de la qualitat en 6 assignatures de l’EPSC” s’ha dut a terme durant els anys 2003 i 2004, han participat sis professors de l’EPSC (Escola Politècnica Superior de Castelldefels de la Universitat ...

    • An Easy-to-use hand-to-hand impedance-based sensor to obtain carotid pulse arrival time 

      Hernández Urrea, Marc; Casanella Alonso, Ramón; Casas Piedrafita, Óscar; Javierre Garcés, Casimiro (2023-03-01)
      Article
      Accés obert
      Pulse arrival times (PATs) are time intervals between the electrocardiogram (ECG) and an arterial pulse wave (APW) widely used to obtain cuffless blood pressure (BP). Although some distal APWs can be easily measured using, ...

    • Applied Instrumentation : student works 

      Pradell Cara, Trinitat; García García, José Eduardo; Casas Piedrafita, Óscar (Universitat Politècnica de Catalunya, 2022)
      Treball d'assignatura
      Accés obert
      Conté els treballs dels estudiants de l'assignatura: 1. Exospheric Mass Spectrometer (EMS). The heart of a lunar sensor. J. Bonet, G. Izquierdo, B. Ros, A. Sánchez, M. Sánchez; 2. James Webb Space Telescope: an Overview . ...

    • Applied instrumentation : student works 

      Pradell Cara, Trinitat; García García, José Eduardo; Casas Piedrafita, Óscar (Universitat Politècnica de Catalunya, 2021)
      Treball d'assignatura
      Accés obert
      Conté els treballs dels estudiants de l'assignatura: Técnicas de diagnóstico por imagen médica activa: PET-TAC / P. Gómez, M. Hérault, X. Povill, R. Pujadas, D. Quiles -- Ultrasons 3D per a la visualització no invasiva del ...

    • Applied Instrumentation : student works 

      Pradell Cara, Trinitat; Casas Piedrafita, Óscar (Universitat Politècnica de Catalunya, 2017)
      Treball d'assignatura
      Accés obert

    • Applied Instrumentation : student works 

      Pradell Cara, Trinitat; García García, José Eduardo; Casas Piedrafita, Óscar (Universitat Politècnica de Catalunya, 2023)
      Treball d'assignatura
      Accés obert

    • Applied Instrumentation Student works. 

      García García, José Eduardo; Pradell Cara, Trinitat; Casas Piedrafita, Óscar (Universitat Politècnica de Catalunya, 2016)
      Treball d'assignatura
      Accés obert

    • Assessment of emotional states through physiological signals and Its application in music therapy for disabled people 

      Valenzuela Ramírez, Andrea; Hornero Ocaña, Gemma; Royo, Daniel; Aguilar, Angel; Casas Piedrafita, Óscar (Institute of Electrical and Electronics Engineers (IEEE), 2020-07-09)
      Article
      Accés obert
      Disabled people have more difficulties for expression and interaction on a non-verbal level because of the physical, sensory or communication difficulties that they usually present. Regarding music therapy, the existing ...

    • Basic design of the signal chain in sensor-based measurement systems 

      Pallàs-Areny, Ramon; Casas Piedrafita, Óscar (2022-04-19)
      Report de recerca
      Accés obert
      Sensor signals do not suit direct electronic communication and need further processing before being digitized. Therefore, the requirements of the digitizer add to those needed to fulfill the basic specifications for the ...

    • Calibration-less direct capacitor-to-microcontroller interface 

      López Lapeña, Oscar; Serrano Finetti, Roberto Ernesto; Casas Piedrafita, Óscar (Institution of Electrical Engineers, 2016-02-18)
      Article
      Accés obert
      A new technique to measure a capacitor or a capacitive sensor by means of a direct sensor-to-microcontroller interface circuit that does not need a calibration capacitor is proposed. Basically, the measurement process ...

    • Can Tusell, una casa adaptada para personas con diferentes discapacidades en terrassa 

      Bestraten Castells, Sandra Cinta; Hormias Laperal, Emilio; Guasch Murillo, Daniel; Àlvarez Suau, Maria Hortènsia; Casas Piedrafita, Óscar (2014)
      Text en actes de congrés
      Accés obert

    • Can Tusell, una casa adaptada para personas con diferentes discapacidades en Terrassa: enfoque arquitectónico, tecnológico y social 

      Bestraten Castells, Sandra Cinta; Hormias Laperal, Emilio; Guasch Murillo, Daniel; Alvarez, Maria Hortència; Casas Piedrafita, Óscar (Máster Laboratorio de la Vivienda Sostenible del Siglo XXI, 2014-02)
      Text en actes de congrés
      Accés obert

    • Clúster Agro@limentari: Exposició de treballs 

      Pujolà Cunill, Montserrat; Sorribas Royo, Francisco Javier; Sánchez Soto, Miguel; Chiumenti, Michele; Casas Piedrafita, Óscar; Olivella, Jorge (DEAB / EETAC / Factoria BCBL, 2011-05-19)
      Audiovisual
      Accés obert