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7 resultados encontrados.

Tipos de recurso: Libro electrónico Artículo Revista Tesis Capítulo
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Scattering analysis of planar electric and magnetic dipoles in multilayered chiral structures
Artículo
Acceso abierto Artículo DOAJ
N. R. Rabelo et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
This paper describes a model for the analysis of multilay-ered chiral structures containing planar electric and magnetic scattering elements of arbitrary shape, illuminated by an elliptically polarized plane wave. The pa...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
Electromagnetic Transients in Multiconductor Transmission Lines
Artículo
Acceso abierto Artículo DOAJ
Rooney R. A. Coelho et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · 2022 · ISSN 2179-1074
Abstract The theory of multiconductor transmission lines is based on the principle of superposition. According to this principle, any electric or magnetic field can be represented as the sum of individual electric or mag...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
Analysis of Electromagnetic Problems in the Presence of Non-uniform Movements
Artículo
Acceso abierto Artículo DOAJ
Mohammad Marvasti et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · 2024 · ISSN 2179-1074
Abstract Electromagnetic problems with moving structures are considered. For objects moving at a uniform velocity, the most popular technique used in the literature consists of a change of the reference frame and the uti...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
Geometry optimization for application of radio frequency signals on diamond samples
Artículo
Acceso abierto Artículo DOAJ
Ricardo R. Wolf Cruz et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
This work describes the design and optimization of a printed circuit board containing a rectangular half-loop coil designed to apply radio frequency signals on micrometric diamond crystals. The structure was optimized to...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
An Improved Method for Acquisition of the Parameters of Jiles-Atherton Hysteresis Scalar Model Using Integral Calculus
Artículo
Acceso abierto Artículo DOAJ
Filomena Barbosa R. Mendes et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
Abstract An accurate modeling of materials is essential to obtain reliable results in fields calculation. The Jiles-Atherton approach is widely used for modeling the magnetic hysteresis and depends on its set of five par...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
A systematic sensitivity analysis of the performance of a transcutaneous energy transmitter for design purposes
Artículo
Acceso abierto Artículo DOAJ
Daniela Wolter Ferreira et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
This work studies a Transcutaneous Energy Transmitter (TET) which uses electromagnetic fields to transfer power from outside the body to an artificial organ in the body, working like a high frequency transformer with the...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Semi-analytical formulation for a Unified Time and Frequency Antenna Characterization
Artículo
Acceso abierto Artículo DOAJ
S. T. M Gonçalves et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
AbstractThe definition of parameters that characterize the radiation of electric and magnetic fields for antennas in the time and frequency domain on an unified representation is proposed. The formulation uses a straight...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access