Browsing by Author "Casas Piedrafita, Óscar"
Now showing items 1-20 of 50
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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
Open Access -
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
Restricted access - publisher's policyA 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
Open AccessElectronic 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 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
Open Access -
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
Open AccessOne 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
Open AccessAn 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)
Conference report
Open AccessEl 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 ... -
Applied Instrumentation : student works
Pradell Cara, Trinitat; Casas Piedrafita, Óscar (Universitat Politècnica de Catalunya, 2016)
Coursework
Open Access -
Applied Instrumentation Student works.
García García, José Eduardo; Pradell Cara, Trinitat; Casas Piedrafita, Óscar (Universitat Politècnica de Catalunya, 2015)
Coursework
Open Access -
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
Open AccessA 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)
Conference report
Open Access -
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)
Conference report
Open Access -
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
Open Access -
Common mode electronic noise in differential circuits
Serrano Finetti, Roberto Ernesto; Casas Piedrafita, Óscar; Pallàs Areny, Ramon (2019-07-01)
Article
Restricted access - publisher's policyDifferential circuits are assumed to reject common-mode noise yet no parameter is available to describethat rejection as the Common Mode Rejection Ratio (CMRR) applies only to deterministic signals, not torandom noise. We ... -
Compoball: Novel On-line Composting Monitoring System
Casas Piedrafita, Óscar; López Martínez, Margarita; Quílez Figuerola, Marcos; Huerta Pujol, Oscar; Martínez Farré, Francesc Xavier (2011)
Conference report
Open Access -
Comunicador para personas con discapacidad. Entregable 4. Evolutivos maquetas y prototipos
Casas Piedrafita, Óscar; Hornero Ocaña, Gemma; Quílez Figuerola, Marcos (2012-04-02)
Other
Restricted access - author's decisionEntregable del convenio C-08197 con la empresa B&J adaptaciones -
Comunicador para personas con discapacidad: entregable 2.2: maqueta no funcional para cada uno de los subsistemas
Casas Piedrafita, Óscar; Hornero Ocaña, Gemma; Quílez Figuerola, Marcos (2012-02-01)
Other
Restricted access - author's decisionEntregable seguiment conveni C-08197 amb l'empresa B&J Adaptaciones -
Comunicador para personas con discapacidad: entregable 3: desarrollo de prototipos funcionales
Casas Piedrafita, Óscar; Hornero Ocaña, Gemma; Quílez Figuerola, Marcos (2012-03-01)
Other
Restricted access - author's decisionEntregable del convenio C-08197 con la empresa B&J Adaptaciones -
Consideraciones sobre la denominación de los electrodos para señales bioeléctricas externas
Díaz Cerecedo, Delia; Luna Lozano, P. S.; Casas Piedrafita, Óscar; Pallàs Areny, Ramon (2012)
Conference lecture
Open Access -
Contribución a la obtención de imágenes paramétricas en tomografía de impedancia eléctrica para la caracterización de tejidos biológicos
Casas Piedrafita, Óscar (Universitat Politècnica de Catalunya, 1998-12-14)
Doctoral thesis
Open AccessEl objetivo de la tesis es el desarrollo de métodos para el análisis tanto in vivo como in vitro de la composición y estructura de los tejidos biológicos mediante técnicas basadas en la medida a distintas frecuencias de ...