Artículos (Teoría de la Señal y Comunicaciones): Envíos recientes
Mostrando ítems 41-60 de 100
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Digital predistortion of power amplifiers using structured compressed-sensing Volterra series
(The Institution of Engineering and Technology, 2017-01)Digital predistortion has become an attractive technique for power amplifier linearisation whose limiting factor for using ...
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Volterra Behavioral Model for Wideband RF Amplifiers
(IEEE, 2007-03)This paper proposes a behavioral modeling approach for the description of nonlinearities in wideband wireless communication ...
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Performance of a behavioral model with long-term memory effects
(Cambridge University Press, 2013-08)This paper presents a new behavioral model for power amplifiers that accomplishes the capture of nonlinear low-frequency ...
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Amplifier Nonlinear Modeling with RF Pulses
(IEEE, 2008-11)This paper proposes a Volterra kernel identification procedure for wireless amplifiers with nonlinear memory. The technique ...
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A New Approach to Pruning Volterra Models for Power Amplifiers
(IEEE, 2010-04)The objective of this paper is to present an approach to behavioral modeling that can be applied to predict the nonlinear ...
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An Upgraded Dual-Band Digital Predistorter Model for Power Amplifiers Linearization
(IEEE, 2021-01)Digital predistortion (DPD) based on Volterra models is commonly employed to counteract the nonlinear distortion of power ...
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A Doubly Orthogonal Matching Pursuit Algorithm for Sparse Predistortion of Power Amplifiers
(IEEE, 2018-08)This letter presents a new method for the digital predistortion (DPD) of power amplifiers (PAs) based on sparse behavioral ...
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Transmitter Linearization Adaptable to Power-Varying Operation
(IEEE, 2017-10)This paper presents the design of a power-scalable digital predistorter (DPD) for transmitter architectures. The target ...
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On the Optimum Number of Coefficients of Sparse Digital Predistorters: A Bayesian Approach
(IEEE, 2020-12)This work presents insights on the application of the Bayesian information criterion (BIC) to fix the optimum number of ...
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Comparative Analysis of Greedy Pursuits for the Order Reduction of Wideband Digital Predistorters
(IEEE, 2019-09)This paper provides a review of greedy pursuits for optimizing Volterra-based behavioral models structure and estimating ...
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Formal deduction of a Volterra series model for complex-valued systems
(Elsevier, 2017-02)This paper demonstrates a general model for nonlinear systems with complex-valued inputs and its application to communication ...
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Internet of things in health: Requirements, issues, and gaps
(Elsevier, 2021-09)Background and objectives: The Internet of Things (IoT) paradigm has been extensively applied to several sectors in the ...
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CAD Tool for Burn Diagnosis
(Springer, 2003)In this paper a new system for burn diagnosis is proposed. The aim of the system is to separate burn wounds from healthy ...
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Self-assessed Contrast-Maximizing Adaptive Region Growing
(Springer, 2009)In the context of an experimental virtual-reality surgical planning software platform, we propose a fully self-assessed ...
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Detección automatizada de microaneurismas mediante crecimiento de regiones y red neuronal Fuzzy Artmap
(Elsevier, 2012)Objetivo: Comprobar si las modificaciones metodológicas de este nuevo algoritmo mejoran el resultado de otra estrategia ...
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Development and evaluation of perceptually adapted colour gradients
(Institution of Engineering and Technology (IET), 2013)In this study a set of colour gradients based on colour visual perception, which use International Commission on Illumination ...
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Upgrading Behavioral Models for the Design of Digital Predistorters
(MDPI AG, 2021)This work presents a strategy to upgrade models for power amplifier (PA) behavioral modeling and digital predistortion ...
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Boosting offline handwritten text recognition in historical documents with few labeled lines
(Institute of Electrical and Electronics Engineers Inc., 2021)In this paper we address the problem of offline handwritten text recognition (HTR) in historical documents when few labeled ...
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Sparse identification of volterra models for power amplifiers without pseudoinverse computation
(Institute of Electrical and Electronics Engineers Inc., 2021)We present a new formulation of the doubly orthogonal matching pursuit (DOMP) algorithm for the sparse recovery of Volterra ...
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Automatic CDR Estimation for Early Glaucoma Diagnosis
(Hindawi, 2017)Glaucoma is a degenerative disease that constitutes the second cause of blindness in developed countries. Although it ...