Ara es mostren els items 1-20 de 73

  • A class of stable nonlinear systems for modelling memory effects in RF power amplifiers 

    Montoro López, Gabriel; Gilabert Pinal, Pere Lluís; Berenguer Sau, Jordi; Bertran Albertí, Eduardo (Escuela Politécnica Superior Ingeniería Gijón, 2006)
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  • Active control of vibrant actuators with adaptive adjustment of the reference 

    Bertran Albertí, Eduardo; Montoro López, Gabriel (Fuertes, J.M. (ed.) IEEE, 1999)
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    An improved adaptive filter for eliminating periodic vibrations of unknown frequency in rotary machinery is presented. The proposed canceller is based on a usual bank of digital adaptive notch filters, each filter tuned ...
  • Adaptative supression on narrow-band vibrations 

    Bertran Albertí, Eduardo; Montoro López, Gabriel (1998)
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    The aim of the paper is to develop a theoretical analysis and implementation of an active control canceller devoted to eliminate narrow-band vibrations in rotary machines. The proposed system uses a bank of digital adaptive ...
  • Adaptive us-mrac for disturbance cancellation 

    Bertran Albertí, Eduardo; Montoro López, Gabriel (Institution of Electrical Engineers, 1995-01)
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    A variable structure, model reference adaptive control (VS-MRAC) devoted to cancel interferences without the requirement of an auxiliary input is proposed. This method is an improved alternative to the strategies recently ...
  • A doherty power amplifier based on a tapered line impedance inverter 

    Mehran, Yahyavi; Bertran Albertí, Eduardo (2014)
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    This paper presents a wideband GaN Doherty power amplifier (DPA) in the 2.6 GHz band with a 3 stages Wilkinson splitter where the impedance inverter is based on a tapered line instead of a quarter wave transformer. From ...
  • Advanced design features of Doherty power amplifiers 

    Bertran Albertí, Eduardo; Gilabert Pinal, Pere Lluís; Berenguer Sau, Jordi (Unión Científica Internacional de Radio, 2012)
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    A Doherty power amplifier (DPA) is an effective structure born in 1936 which, after a scarce revival around year 2000), had been strengthened from 2005 because its capability to combine linear amplification with power ...
  • A full FPGA-based implementation of an adaptive digital predistorter 

    Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Bertran Albertí, Eduardo (University California San Diego, 2009)
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  • A method for real-time generation of slew-rate limited envelopes in envelope tracking transmitters 

    Montoro López, Gabriel; Gilabert Pinal, Pere Lluís; Bertran Albertí, Eduardo; Berenguer Sau, Jordi (2010-02)
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  • A microcomputer-based control system for electric vehicles 

    Bertran Albertí, Eduardo; Martinez, L; Miguel López, José María; Munilla, I (1982-07)
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    This paper describes a microcomputer-based algorithm used to control a dc separately excited motor for electric vehicle drive. The control programme consists essentially of two secondary programmes which perform respectively ...
  • A microprocessor-based speed controller for DC motors 

    Bertran Albertí, Eduardo; Herranz, J; Martinez, L; Miguel, J; Munilla, I. (1983-07)
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    The introduction of microprocessors into electric vehicles has opened many interesting possibilities for improving the operation and maintenance of such automotive systems. On the other hand, microcomputer-based motor ...
  • Análisis Comparativo de Técnicas de Reducción de PAPR en Señales OFDM 

    Lopez Caro, Alberto; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Bertran Albertí, Eduardo; Jové Casals, Jose M. (2009-09)
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  • Analysis of inter-modulation products and nonlinear distortion in RF OFDM transmitter systems 

    O'Droma, M; Lei, Y; Bertran Albertí, Eduardo; Gilabert Pinal, Pere Lluís (IEEE, 2009)
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  • An application oriented short course in image recognition 

    Tarrés Ruiz, Francisco; Bertran Albertí, Eduardo; Montoro López, Gabriel; Barbosa de Souza, Alisson (1998)
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    An experimental course on Digital Image Processing and Recognition, together with its associated implementation, are described. The program is a user-friendly interface running under Matlab 4.0, which allows easy-control ...
  • An efficient combination of digital predistortion and OFDM clipping for power amplifiers 

    Gilabert Pinal, Pere Lluís; Gadringer, Michael E.; Montoro López, Gabriel; Mayer, M.L.; Silveira, Daniel D.; Bertran Albertí, Eduardo; Magerl, G. (2009-09)
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    Accés restringit per política de l'editorial
  • A new digital predictive predistorter for behavioral power amplifier linearization 

    Montoro López, Gabriel; Gilabert Pinal, Pere Lluís; Bertran Albertí, Eduardo; Cesari Bohigas, Albert; Silveira, Daniel D. (Institute of Electrical and Electronics Engineers (IEEE), 2007-06)
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    This letter presents a new digital adaptive predistorter (PD) for power amplifier (PA) linearization based on a nonlinear auto-regressive moving average (NARMA) structure. The distinctive characteristic of this PD is ...
  • An experimental course on digital communications 

    Bertran Albertí, Eduardo; Tarrés Ruiz, Francisco; Montoro López, Gabriel (IEEE PRESS, 1998)
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    In this paper a laboratory course on digital communications is presented. This course has been designed for medium degree professionals in the telecommunications field, and it is based on training equipment developed to ...
  • An LMS-based adaptive predistorter for cancelling nonlinear memory effects in RF power amplifiers 

    Montoro López, Gabriel; Gilabert Pinal, Pere Lluís; Bertran Albertí, Eduardo; Cesari Bohigas, Albert; García, José Antonio (2007-12)
    Comunicació de congrés
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    This paper presents the design of an adaptive Digital Predistorter (DPD) for Power Amplifier (PA) linearization whoseimplementation and real time adaptation can be fully performed in a Field Programmable Gate Array (FPGA). ...
  • Aplicación de técnicas avanzadas de lienalización a sistemas de RF/microondas 

    García, J.A.; Bertran Albertí, Eduardo; Begrains, J.; Montoro López, Gabriel; Ares, F.; Cabria, L. (Editorial de la UPV, 2005)
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  • Aportación al control digital óptimo de sistemas de energía eléctrica : aplicación a la regulación potencia - frecuencia 

    Bertran Albertí, Eduardo (Universitat Politècnica de Catalunya, 1985-09-01)
    Tesi
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    La tesi estudia aspectes relacionats amb el telecontrol digital de centrals hidràuliques de generació d'energia elèctrica, aportant una estratègia de regulació lineal òptima (RLO) que permet incloure en la formulació -i, ...
  • Application of hyperstability theory to interference cancelling 

    Bertran Albertí, Eduardo; Montoro López, Gabriel (O.YUKSEL IEEE, 1994)
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    An alternative to the usual adaptive noise cancelling method devoted to removing interference is presented. In the conventional methodology to implement adaptive cancellers a reference signal is necessary correlated with ...