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9 resultados encontrados.

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The study of the ground plane effect on a Multiband PIFA Antenna by using Genetic Algorithm and Particle Swarm Optimization
Artículo
Acceso abierto Artículo DOAJ
The study of the ground plane effect on a Multiband PIFA Antenna by using Genetic Algorithm and Particle Swarm Optimization
L. Wakrim et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
Abstract The ground plane plays an important role on the performance of a planar inverted-F antenna (PIFA). In this regard, the ground plane modification using slots is proposed in this research to obtain a dual band ant...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Nulls and side lobe levels control in a time modulated linear antenna array by optimizing excitations and element locations using RGA
Artículo
Acceso abierto Artículo DOAJ
Nulls and side lobe levels control in a time modulated linear antenna array by optimizing excitations and element locations using RGA
Bipul Goswami et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
In this paper a novel approach based on the Real coded Genetic Algorithm (RGA) is proposed to improve nulling performance as well as suppression of Side Lobe Level (SLL) of a Time Modulated Linear Antenna Arrays (TMLA). ...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Numerical analysis of impedance spectra of yeast suspensions
Artículo
Acceso abierto Artículo DOAJ
Numerical analysis of impedance spectra of yeast suspensions
Airton Ramos et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
Analysis of impedance spectrum of electroporated biological cell suspensions allows evaluating the state of permeabilization produced by the applied electric field. In this article we used a genetic algorithm to determin...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Proposition for Path Loss Prediction Models with the Inclusion of Altitude Parameter and Optimization Through Evolutionary Algorithms
Artículo
Acceso abierto Artículo DOAJ
Proposition for Path Loss Prediction Models with the Inclusion of Altitude Parameter and Optimization Through Evolutionary Algorithms
Evandro M. Jorge Júnior et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · 2025 · ISSN 2179-1074
Abstract In this paper, it is presented a general optimization methodology for improving empirical models predicting Okumura-Hata, Cost-231, ECC-33, and Egli using Genetic and Differential Evolution Algorithms. The metho...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Boolean Operators to Improve Multi-Objective Evolutionary Algorithms for Designing Optical Networks
Artículo
Material complementario disponible Artículo DOAJ
Boolean Operators to Improve Multi-Objective Evolutionary Algorithms for Designing Optical Networks
Nadja J. da S. Lima et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
Abstract The physical topology design (PTD) of optical networks is frequently accomplished by combining several solutions in an iterative way, especially if meta-heuristics are deployed for this purpose. Suitable operato...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Adjusting Large-Scale Propagation Models for the Amazon Region Using Bioinspired Algorithms at 1.8 and 2.6 GHz Frequencies
Artículo
Acceso abierto Artículo DOAJ
Adjusting Large-Scale Propagation Models for the Amazon Region Using Bioinspired Algorithms at 1.8 and 2.6 GHz Frequencies
Andre A. P. de Carvalho et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · 2021 · ISSN 2179-1074
Abstract In this work, a new method employs Bioinspired Computational (BIC) optimization from the genetic algorithm, bat algorithm, and flower pollination algorithm. Robust and accurate modeling of the input parameters a...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Analysis of Linear Antenna Array for minimum Side Lobe Level, Half Power Beamwidth, and Nulls control using PSO
Artículo
Material complementario disponible Artículo DOAJ
Analysis of Linear Antenna Array for minimum Side Lobe Level, Half Power Beamwidth, and Nulls control using PSO
Saeed Ur Rahman et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
Abstract This paper presents the optimization performance of non-uniform linear antenna array with optimized inter-element spacing and excitation amplitude using Particle Swarm Optimization (PSO). The aim of the proposed...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Synthesis of New Reconfigurable Limited Size FSS Structures Using an Improved Hybrid Particle Swarm Optimization
Artículo
Acceso abierto Artículo DOAJ
Synthesis of New Reconfigurable Limited Size FSS Structures Using an Improved Hybrid Particle Swarm Optimization
Patric Lacouth et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
Abstract This paper describes a new design methodology for reconfigurable printed circuits with limited size, using an improved hybrid particle swarm optimization (HPSO) algorithm, reducing the search space by the defini...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Wavelength assignment using a hybrid evolutionary computation to reduce cross-phase modulation
Artículo
Material complementario disponible Artículo DOAJ
Wavelength assignment using a hybrid evolutionary computation to reduce cross-phase modulation
André M. L. Miranda et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · 2014 · ISSN 2179-1074
In this paper, we propose a hybrid methodology based on Graph-Coloring and Genetic Algorithm (GA) to solve the Wavelength Assignment (WA) problem in optical networks, impaired by physical layer effects. Our proposal was ...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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