Exploració per autor "Bertran Albertí, Eduardo"
Ara es mostren els items 1-20 de 159
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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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A doherty power amplifier based on a tapered line impedance inverter
Mehran, Yahyavi; Bertran Albertí, Eduardo (2014)
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Accés restringit per política de l'editorialThis 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 ... -
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)
Article
Accés obertThis 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)
Article
Accés obertThe 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 ... -
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)
Article
Accés obertThis 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 ... -
A wideband Doherty-like architecture using a Klopfenstein taper for load modulation
Bertran Albertí, Eduardo; Mehran, Yahyavi (2015-11-02)
Article
Accés obertA novel Doherty-like power amplifier (DPA) has been fabricated using 15 W, 2.7 GHz, GaN HEMT transistors. The quarter-wave transformer used in the classical DPA topology is replaced by a matching network including a ... -
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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Accés obertAn 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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Accés obertThe 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)
Article
Accés obertA 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 ... -
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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Accés obertA 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 ... -
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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Accés obertAn 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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An experimental course on digital communications
Bertran Albertí, Eduardo; Tarrés Ruiz, Francisco; Montoro López, Gabriel (IEEE PRESS, 1998)
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Accés obertIn 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
Accés obertThis 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). ... -
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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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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Antennas
Bertran Albertí, Eduardo (Universitat Politècnica de Catalunya, 2023-05-29)
Apunts
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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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