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Encontrá libros, artículos, revistas, tesis y otros recursos académicos. Buscá, elegí el resultado correcto y accedé al contenido.

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119 resultados encontrados.

Tipos de recurso: Libro electrónico Artículo Revista Tesis Capítulo
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Journal of Microwaves, Optoelectronics and Electromagnetic Applications
Artículo
Acceso abierto Artículo DOAJ
Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo; Brazil · ISSN 2179-1074
Materias / palabras clave: photonics, antennas, propagation, electromagnetic applications; Technology: Electrical engineering. Electronics. Nuclear engineering
Idioma English
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
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
Study of different shape Electromagnetic Band Gap (EBG) structures for single and dual band applications
Artículo
Acceso abierto Artículo DOAJ
Nagendra Kushwaha et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
In this paper, single and dual band EBG structures for wider bandwidth are proposed. In each of the discussed EBGs, a metallic patch of regular geometry is chosen for the unit element. The patch is further modified by cu...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
Impact of Electromagnetic Interference From Consumer Electronics and Bluetooth Crowding on GNSS-Based Performance in Mobile Devices
Artículo
Acceso abierto Artículo DOAJ
Luca Morichi et al · IEEE · 2026 · ISSN 2832-7322
This article explores the impact of electromagnetic interference from consumer electronics and common household appliance on the performance of Global Navigation Satellite System (GNSS) receivers in smartphones. As GNSS ...
LCC LCC:TelecommunicationIdioma eng
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Open Access
Intelligent electromagnetic metasurface camera: system design and experimental results
Artículo
Acceso abierto Artículo DOAJ
Wang Zhuo et al · Wiley · 2022 · ISSN 2192-8614
Electromagnetic (EM) sensing is uniquely positioned among nondestructive examination options, which enables us to see clearly targets, even when they visually invisible, and thus has found many valuable applications in s...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
Metasurfaces and their applications
Artículo
Material complementario disponible Artículo DOAJ
Li Aobo et al · Wiley · 2018 · ISSN 2192-8606
Metasurfaces are a topic of significant research and are used in various applications due to their unique ability to manipulate electromagnetic waves in microwave and optical frequencies. These artificial sheet materials...
LCC TENDOlBoeXNpY3M~Idioma eng
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Material complementario
Modeling and Configuration Design of Electromagnetic Actuation Coil for a Magnetically Controlled Microrobot
Artículo
Acceso abierto Artículo DOAJ
Xiaolong Jing et al · KeAi Communications Co., Ltd · 2019 · ISSN 1000-9345
Abstract Non-contact actuated microbeads have attracted a lot of attention in recent years because of its enormous potential in medical, biological, and industrial applications. Researchers have proposed a multitude of e...
LCC LCC:Ocean engineering; TENDOk1lY2hhbmljYWwgZW5naW5lZXJpbmcgYW5kIG1hY2hpbmVyeQ~~Idioma eng
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Open Access
Improvement of Circularly Polarized Slot-Patch Antenna Parameters by Using Electromagnetic Band Gap Structures
Artículo
Acceso abierto Artículo DOAJ
El Amjed Hajlaoui et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
Abstract This paper is devoted to the design of a novel Electromagnetic Band Gap (EBG) circularly polarized slot-patch antenna in multilayered configuration. The operating frequency band can be controlled via the disk ra...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
Metasurface holography: from fundamentals to applications
Artículo
Material complementario disponible Artículo DOAJ
Huang Lingling et al · Wiley · 2018 · ISSN 2192-8606
Holography has emerged as a vital approach to fully engineer the wavefronts of light since its invention dating back to the last century. However, the typically large pixel size, small field of view and limited space-ban...
LCC TENDOlBoeXNpY3M~Idioma eng
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Material complementario
Proximity Coupled Dual Antenna Design For X Band Applications
Artículo
Acceso abierto Artículo DOAJ
B. Sivashanmugavalli et al · Sumy State University · 2026 · ISSN 2077-6772
This paper presents the analysis and design of a proximity-coupled dual antenna for X-band applications. Proximity coupling, a widely used feeding technique, is employed to optimize the spatial allocation of the receiver...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
A Small Quad-Band Monopole Antenna with Folded Strip Lines for WiMAX/WLAN and ITU Applications
Artículo
Acceso abierto Artículo DOAJ
Y. Zehforoosh et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
Abstract In this article, a small Quad-Band microstrip patch antenna with folded strip lines for WiMAX/WLAN and ITU Applications is presented. This antenna consists eight symmetrical rectangular folded strip lines with 2...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
A reflectarray Using a Dielectric Discretized Concave Mirror Based on Electromagnetic Band Gap
Artículo
Acceso abierto Artículo DOAJ
Gustavo Maciulis Dip et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · 2025 · ISSN 2179-1074
Abstract This paper presents a reflectarray antenna with an innovative dielectric mirror in the form of a discretized concave reflector. The mirror, manufactured via 3D printing, combines dielectric and air layers, formi...
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
Design of coaxial aircell fixture for the measurement of electromagnetic properties
Artículo
Material complementario disponible Artículo DOAJ
V. Seetha Rama Raju · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
Abstract Coaxial aircells are designed and fabricated to measure the electromagnetic properties of ferrite materials in the frequency range from 1 MHz to 3.6 GHz. These S-parameters are actually measured connecting the a...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Material complementario
Detection of Eyebolt Faults Using a Random Forest Ensemble Model Based on Multiple High-Frequency Electromagnetic Parameters
Artículo
Acceso abierto Artículo DOAJ
H. V. H. Silva Filho et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · 2023 · ISSN 2179-1074
Abstract This paper presents an eyebolt structural fault detection system, based on the analysis of multiple electromagnetic parameters through a random forest classifier trained by both measurements and high-fidelity si...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
Study of the influence of Carbonyl iron particulate size as an electromagnetic radiation absorbing material in 12.4 to 18 GHz (Ku) Band
Artículo
Acceso abierto Artículo DOAJ
Ana Paula S. Oliveira et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
Abstract This paper presents the influence of different sizes of carbonyl iron particles on the reflectivity measurements of Radar Absorbing Material (RAM). The electromagnetic characterization was performed with a vecto...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
A New Triple Band Microstrip Fractal Antenna for C-band and S-band Applications
Artículo
Acceso abierto Artículo DOAJ
Edwin L. Barreto et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
Abstract Recently research show that some parameters such as the shapes of antenna patch and the ground plane when geometrically altered produces changes in the current density distribution of the planar structure and co...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
Design and Performance Study of Single and Multi-Layered Fractal Based Miniaturized Patch Antennas for 2.4 GHz Applications
Artículo
Acceso abierto Artículo DOAJ
Amiya Bhusana Sahoo et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · 2021 · ISSN 2179-1074
Abstract The design and characterization of single and multi-layered miniaturized microstrip antennas resonating at 2.4 GHz are proposed. The miniaturization is accomplished by fractal Defected Ground Structure (DGS). Th...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
Reconfigurable Filtenna using Varactor Diode for Wireless Applications
Artículo
Acceso abierto Artículo DOAJ
J. A. I. Araujo et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · 2021 · ISSN 2179-1074
Abstract This paper presents a compact and planar reconfigurable filtenna for application in Wireless systems. The filtenna is composed of a UWB circular antenna and a filter with two trapezoidal resonators. The filter i...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
Measurement with quasi-isotropic antenna of CEM coming from multisource in a reverberation chamber and in a car
Artículo
Acceso abierto Artículo DOAJ
Raquel Aline A. Rodrigues et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
The concern about the health risks that wireless technology can provide has grown globally thanks to the growing use of the devices by the population, by the finding that the public exposure to EMFs from the devices can ...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
Wavelength-Selective Near Unity Absorber Based on Fabry-Pérot Nanoresonators
Artículo
Acceso abierto Artículo DOAJ
I. L. Gomes de Souza et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · 2021 · ISSN 2179-1074
Abstract We proposed and analyzed a planar narrow-band absorber based on a bi-layer metal/dielectric structure. The planar absorber uses the Fabry-Pérot resonance and the inherent loss of the metals, for maximum light a...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
A CMOS UWB transmitter with Vivaldi Array for Ultra-fast Beam steering microwave radar
Artículo
Acceso abierto Artículo DOAJ
Alexandre M. De Oliveira et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
This work presents a new Ultra Wide Band (UWB) beamforming fifth-order derivative Gaussian pulse transmitter with dual small Vivaldi antennas for remote acquisition of vital signals in impulse radar applications. The sys...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
Active optical antennas driven by inelastic electron tunneling
Artículo
Material complementario disponible Artículo DOAJ
Braun Kai et al · Wiley · 2018 · ISSN 2192-8606
In this review, we focus on the experimental demonstration of enhanced emission from single plasmonic tunneling junctions consisting of coupled nano antennas or noble metal tips on metallic substrates in scanning tunneli...
LCC TENDOlBoeXNpY3M~Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Advances in exploiting the degrees of freedom in nanostructured metasurface design: from 1 to 3 to more
Artículo
Material complementario disponible Artículo DOAJ
Li Zile et al · Wiley · 2020 · ISSN 2192-8606
The unusual electromagnetic responses of nanostructured metasurfaces endow them with an ability to manipulate the four fundamental properties (amplitude, phase, polarization, and frequency) of lightwave at the subwavelen...
LCC TENDOlBoeXNpY3M~Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario