Now showing items 1-15 of 15

  • A direct approximation technique for designing digital equalizers with simultaneous specification of magnitude and phase 

    Mariño Acebal, José Bernardo; Figueiras Vidal, Aníbal R. (Georgi, 1978)
    Conference report
    Open Access
    A new direct method for designing nonrecursive and recursive digital equalizers approximating specified attenuation and phase responses is introduced . This method allows to control both magnitude and phase characteristics ...
  • Channel estimation and equalization in multiGigabit systems 

    Martínez Blas, Bernardo (Universitat Politècnica de Catalunya, 2011-12-21)
    Bachelor thesis
    Open Access
    In actual mobile radio systems, multipath conditions pose a problem, as the channel becomes frequency dependent. This point is especially critical in case of high frequency transmissions with very high data rate and high ...
  • Decision feedback equalization and carrier recovery in 140 Mbit QAM digital radio systems 

    Olmos Bonafé, Juan José; Agustí Comes, Ramon; Casadevall Palacio, Fernando José (Institute of Electrical and Electronics Engineers (IEEE), 1988)
    Conference report
    Restricted access - publisher's policy
    The tracking behavior of a decision-feedback equalizer coupled to a carrier recovery loop in the presence of dynamic multipath-fading activity is studied. Minimum-phase/non-minimum-phase-type fading transitions, with ...
  • Design and development of an analog synthesizer 

    Ferraté Cuartero, Gabriel (Universitat Politècnica de Catalunya, 2019-01)
    Bachelor thesis
    Open Access
    Covenantee:  Purdue University
    The purpose of this project is to build a self-contained, fully analog keyboard syn- thesizer
  • Design of digital equalizers with minimax error 

    Mariño Acebal, José Bernardo; Masgrau Gómez, Enrique José; Nadeu Camprubí, Climent (1980)
    Conference report
    Open Access
    A new method for designing digital equalizers with simultaneous specification of magnitude and phase is introduced. The approximation is carried out using minimax error criteria. The method is eficient in iterations number ...
  • Disseny d'un equalitzador de sistemes de PA (Public Adress) automàtic 

    Torrente Guerrero, Cristian (Universitat Politècnica de Catalunya, 2019-01-29)
    Bachelor thesis
    Open Access
    En aquest projecte es vol dissenyar un equalitzador de Public Adress (P.A.) amb la particularitat de què sigui totalment automatitzat. Per fer una petita introducció, un equalitzador de Public Adress (P.A.) serveix per ...
  • Effets de la dynamique des évanouissements sélectifs dans un égaliseur et une boucle de récupération de porteuse couplés 

    Olmos Bonafé, Juan José (1989-07)
    Article
    Open Access
    The tracking behaviour of a decision-feedback equalizer coupled to a carrier recovery loop, in the presence of a dynamic multipath fading activity has been studied. Minimum phase¿non minimum phase type fading transitions ...
  • Equalizer and amplifier 

    Subirana, Jordi (Cork Institute of Technology, 2005)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
  • Estudi, disseny i construcció d'un circuit de protecció per a un convertidor matricial 

    Ortega, Pedro (Universitat Politècnica de Catalunya, 2011)
    Master thesis (pre-Bologna period)
    Open Access
    Aquest treball consisteix en realitzar l’estudi , el disseny i la construcció d’un circuit de protecció per a un interruptor bidireccional, per evitar les sobretensions generades en la seva commutació. S’estudien aquestes ...
  • Implementation of Zero Forcing and MMSE equalization techniques in OFDM 

    Conillera Vilar, Ferran (Universitat Politècnica de Catalunya, 2015-07-23)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Universidade de Fortaleza
    The objective of this project is to study a communication system using orthogonal carriers, OFDM. The focus of the study is the implementation of Zero Forcing and MMSE equalization techniques in order to reduce the ...
  • Model-following adaptive equalizer 

    Bertran Albertí, Eduardo (1991)
    Conference report
    Open Access
    A new methodology is presented for adaptive equalizer design. It could be considered to be kind of generalized and frequency selective automatic gain control (AGC) circuit. This method is based on model reference adaptive ...
  • Optimized training signal design 

    Maros, Marie (Universitat Politècnica de Catalunya, 2014-02)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Kungliga Tekniska högskolan
    [ANGLÈS] In this thesis, the problem of finding an optimal training sequence for estimating a MIMO flat fading channel with spatially and temporally correlated Gaussian noise is considered. The methods analyzed tailor the ...
  • Performance of Fractioned and Nonfractioned Equalizers with High-Level QAM 

    Agustí Comes, Ramon; Casadevall Palacio, Fernando José; Olmos Bonafé, Juan José (1987-04-01)
    Article
    Open Access
    This paper presents a comparative study of 16-QAM, 32QAM, 64-QAM, and 128-QAM 140 Mbit/s digital radio in the presence of multipath fading. Conventional T -spaced and fractional tapspaced equalizers have been considered ...
  • Sistema de ecualización con realimentación cuantizada para sistemas ópticos coherentes CPFSK de banda ancha 

    Prat Gomà, Josep Joan; Cerdà, P.; Roldán Andrade, Jesús; Junyent Giralt, Gabriel (1990)
    Conference report
    Open Access
  • Square root module to combat dispersion-induced nonlinear distortion in Radio-over-Fiber Systems 

    Prat Gomà, Josep Joan; Santos Blanco, M. Concepción; Omella Cáncer, Mireia Esther (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2006-09-15)
    Article
    Open Access
    Reduced dispersion-induced harmonics levels are reported for analogue radio-over-fiber systems by using a linearized receiver incorporating a memoryless electronic circuit with square root (SQRT)-like transfer function, ...