Now showing items 1-20 of 130

    • A compact optical multichannel system for ethylene monitoring 

      Hildenbrand, Jürgen; Wöllenstein, Jürgen; Hartwig, S; Eberhardt, A.; Halford, Bern; Moreno-Sereno, Mauricio; Fonollosa Magrinyà, Jordi; Fonseca, Luis; Santander, Joaquim; Rubio, Rafael; Gràcia, I; Cané Ballart, Carles (2008)
      Article
      Restricted access - publisher's policy
    • A large signal nonlinear MODFET model from small signal S-parameters 

      O'Callaghan Castellà, Juan Manuel; Beyer, James B. (Institute of Electrical and Electronics Engineers (IEEE), 1989)
      Conference report
      Open Access
      A general technique for predicting the MODFET large signal performance has been developed. The technique is based entirely on experimental data (small signal S-parameters at different biased points) and therefore is ...
    • A proportional controller based on clustering theory: an academic example of a machine learning discipline 

      Acho Zuppa, Leonardo; Buenestado Caballero, Pablo (EDP Sciences, 2018)
      Conference report
      Open Access
      The main objective of this paper is to present a controller design based on the K-means clustering theory. The controller is realized in such way that when the plant output is located outside of the designed clustering ...
    • A Real time simulation model for Lognormal Fading channels 

      Delgado Penin, José Antonio; Serrat Fernández, Juan (1991)
      Conference report
      Open Access
      In this paper we present a mathematical model for the simulation of lognormal fading channels. A modeling technique and its validation by computer simulation are described with special emphasis on the aspects related to ...
    • A shapeshifting evolvable hardware mechanism based on reconfigurable memFETs crossbar architecture 

      Martín Martínez, Javier; García Almudéver, Carmen; Crespo Yepes, Albert; Rodríguez Martínez, Rosana; Nafría Maqueda, Montserrat; Rubio Sola, Jose Antonio (2014-05-05)
      Article
      Restricted access - publisher's policy
    • Accuracy considerations in surface impedance measurements 

      O'Callaghan Castellà, Juan Manuel; Sans, C; Pous Andrés, Rafael; Collado Gómez, Juan Carlos; Canet, E (1997-06)
      Article
      Open Access
      An approach is proposied for the design, measurement and data extraction of superconducting microstrip resonators used in determination of surface resistance and penetration depth. Major sources of error are analyzed and ...
    • Adaptación de una asignatura de electronica digital a la semipresencialidad y al Espacio Europeo de Educación Superior 

      Bermejo Broto, Sandra; Chávez Domínguez, Juan Antonio; Domínguez Pumar, Manuel; Pons Nin, Joan (2010)
      Conference report
      Open Access
      Este trabajo describe y analiza la evolución del formato semipresencial de la asignatura Sistemas Digitales 1, inicialmente impartida dentro de una titulación de segundo ciclo y actualmente adaptada al EEES e impartida ...
    • All-silicon spherical-Mie-resonator photodiode with spectral response in the infrared region 

      Garin Escriva, Moises; Fenollosa Esteve, Roberto; Alcubilla González, Ramón; Shi, Lei; Marsal Garvi, Luis Francisco; Meseguer Rico, Francisco Javier (2014-03-10)
      Article
      Open Access
      Silicon is the material of choice for visible light photodetection and solar cell fabrication. However, due to the intrinsic band gap properties of silicon, most infrared photons are energetically useless. Here, we show ...
    • An Efficient behavioral description frontend tool for mixed-mode SPICE simulation 

      Gómez Pau, Álvaro; Balado Suárez, Luz María; Figueras Pàmies, Joan; Chatterjee, Abhijit (2014)
      Conference report
      Open Access
    • Anàlisis i implementació d’un sintetizador virtual amb Pure Data. Trets fonamentals de la síntesis substractiva 

      Gali Romea, Ferran (Universitat Politècnica de Catalunya, 2011-03-15)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   University of Limerick
      English: FulSynth is a Pure Data self-developed virtual subtractive synthesizer. It has led a researching work concerning synthesizers using a subtractive synthesis method. The theoretical fundamentals of subtractive ...
    • Análisis y propuestas de mejora de la gestión de stocks en una empresa de agua embotellada 

      Camara Roldan, Sofia (Universitat Politècnica de Catalunya, 2017-09-13)
      Bachelor thesis
      Restricted access - confidentiality agreement
    • Application of selective leaching in fabrication of thin film ybco devices 

      James, Pm; O'Callaghan Castellà, Juan Manuel (1993-03)
      Article
      Open Access
      Ethylenediamine solutions have been shown to turn bulk YBCO into insulating materials. The effect of these solutions on thin YBCO films is studied. In both unpatterned and patterned films, a smooth decrease in critical ...
    • Applications of longitudinal and transversal bioimpedance measurements in peritoneal dialysis at 50 kHz 

      Nescolarde Selva, Lexa Digna; Doñate, T.; Casañas Bueno, Roberto; Rosell Ferrer, Francisco Javier (2010)
      Conference report
      Restricted access - publisher's policy
      More relevant information of the fluid changes in peritoneal dialysis (PD) might be obtained with segmental bioimpedance measurements rather than whole-body measurement, who hidden information of body composition. ...
    • Asignaturas de Electrònica en la EPSEM: planificación de la impartición en inglés 

      Alsina Aubach, Montserrat; Argelaguet Isanta, María Rosa; Vicente Rodrigo, Jesús; Martínez Teixidor, Inmaculada (2014)
      Conference report
      Open Access
      Al objeto de garantizar la calidad del aprendizaje de la Electrónica en los estudios de Grado impartidos en la EPSEM, es necesario planificar de manera adecuada las asignaturas impartidas en inglés. En este trabajo se ...
    • Automatización y control de un motor a pasos para la sintonización de filtros de microondas 

      Benet Freissinier, Josep (Universitat Politècnica de Catalunya, 2010-12-15)
      Master thesis (pre-Bologna period)
      Open Access
      Català: L'objectiu del projecte és ajustar de forma automàtica la freqüència central de un ressonador de microones a la freqüència que desitgi l'usuari. Per aconseguir-ho, s'introdueix la freqüència desitjada al software ...
    • Bandwidth-enhancement g(m)-C filter with independent omega(O) and Q tuning mechanisms in both topology and control loops 

      Martínez García, Herminio; Vidal López, Eva María; Cantó, Andrea; Poveda López, Alberto; Guinjoan Gispert, Francisco (2010)
      Conference lecture
      Restricted access - publisher's policy
      This paper deals with the proposal of a new topology for a gm-C continuous time filter which allows the adjustment and tuning of its characteristic parameters (ωO and Q) in an independent way (without cross-tuning), thereby ...
    • BLE connection 

      Martinez Gordi, Joan (Universitat Politècnica de Catalunya, 2018-02)
      Bachelor thesis
      60 months embargo
      Covenantee:   EGO Appliance Controls Company
      The purpose of this project is to supply to new induction cooking commercial generators a smart tool, which provide them of connectivity. Smart connectivity is implemented by the Bluetooth Communication module. First project ...
    • c-Si photovoltaic arrays 

      Bermejo Broto, Sandra; Ortega Villasclaras, Pablo Rafael; Castañer Muñoz, Luis María (IEEE Press. Institute of Electrical and Electronics Engineers, 2009)
      Conference report
      Open Access
      Crystalline silicon small photovoltaic arrays are shown. Electrical isolation of individual cells and series connection between them to integrate series arrays are discussed. High open circuit voltage values in the range ...
    • Calidad de servicio (QoS) basándonos en redes de nueva generación 

      Barba Martí; Pallejà Muñoz (Rama de estudiantes del IEEE de Barcelona, 2013-05)
      Article
      Open Access
      La tendencia actual en cuanto a los equipamientos del entorno de usuario domestico esta entrelazando toda una mezcla de tecnologías de sistemas heterogéneos y redes de acceso sobre la movilidad de usuario, donde pueden ...
    • Circuito promediador para control de convertidores conmutados de potencia: implemetnación integrada cmos en mod de corriente 

      Villar Piqué, Gerard; Alarcón Cot, Eduardo José; Martínez García, Herminio; Vidal López, Eva María; Poveda López, Alberto (Universidad de Alcalá, 2002)
      Conference lecture
      Open Access
      El presente artículo describe el estudio, la síntesis y la implementación microelectrónica analógica de un método para la obtención del valor medio instantáneo de una señal, en el contexto del control de convertidores ...