Search Results - Sociedade Brasileira de Microondas e Optoeletrônica; Sociedade Brasileira de Eletromagnetismo

Circular Waveguide Polarizer for Weather Radars and Satellite Information Systems by Piltyay, Stepan

“…Abstract This research presents the design and main electromagnetic characteristics of the novel compact microwave waveguide polarizer. The developed device's…”
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Wide Band Microstrip Patch Antenna with Enhanced Gain using FSS Structure by Tewary, Tapas, Maity, Smarajit, Roy, Avisankar, Bhunia, Sunandan

“…Abstract This paper suggests a slotted ground ‘S’-shaped low profile planar microstrip patch antenna for wideband and high gain operation. The suggested…”
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Number of events in Monte Carlo simulations for analysis of interference between radiocommunication systems by Fernandes, Leandro C., Linhares, Agostinho, Alexandre, Luciano C.

“…Abstract Monte Carlo simulations are widely used in analysis of interference between radiocommunication systems. The method performs n random experiments, each…”
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Ring Shape Microstrip Antenna Backed by Modified Ground Plane for Multiband Response in GSM and Radar Applications by Ambekar, Aarti G., Deshmukh, Amit A.

“…Abstract Ring shape microstrip antenna designs supported via an altered ground plane profile are proposed for multi-band response with wider bandwidth in each…”
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Nature-Inspired Frequency Selective Surface in Fibonacci Spiral with Closely Resonant Bands by Oliveira, Maciel Alves de, Lazaridis, Pavlos I., Zaharis, Zaharias D., Gomes Neto, Alfredo, Campos, Antônio L. P. S., Serres, Alexandre J. R.

“…Abstract This paper presents a novel nature-inspired tri-band frequency selective surface (FSS) characterized by closely spaced bands, angular stability, and…”
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Wave Impedance Equivalent Circuit Model for Square Loop Frequency Selective Surfaces by C. Júnior, Everaldo Faustino da, Silva, Paulo Henique da F., Gomes Neto, Alfredo

“…Abstract The equivalent wave impedance circuit model (ECM-WI) is presented for the analysis of frequency selective surfaces (FSS). The development of the…”
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Characterizing MIMO Channels in Low-Voltage Electric Power Line Communication Through Impedance and Scattering Parameters Analysis by Sousa, Matheus C. de, Cantarino, Wesley M., Costa, Luís G. da S., Curty, Thales A., Fonseca, Daniel A. B., Vitor, Ulysses R. C., Segatto, Marcelo E.V.

“…Abstract This study examines the characteristics of the lowvoltage MIMO-PLC electric power line channel, which operates within the 2-100 MHz frequency range…”
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Mathematical Model of a Square Waveguide Polarizer with Diaphragms by Bulashenko, Andrew, Piltyay, Stepan, Bulashenko, Oleksandr

“…Abstract The development of new mathematical model for guide polarization converter with diaphragms was carried out in the research by the method of wave…”
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Experimental Evaluation of Through-Wall Detection Using an UWB Radar by Perotoni, Marcelo B., Silva, Leandro A. da, Silva, Vinicius

“…Abstract This paper discusses the through-wall detection of targets behind walls using an ultra-wideband radar operating in the 2 to 15 GHz frequency range…”
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Dumbbell Shaped Microstrip Broadband Antenna by Baudha, Sudeep, Garg, Harshit, Yadav, Manish Varun

“…Abstract In this article, a dumbbell shaped microstrip broadband microstrip antenna with partial ground plane is presented, The overall dimension of the…”
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Optimization of Very Short Multi-Pump Discrete Raman Amplifiers based on Tellurite Fibers by Bastida, Gabriel C., Rocha, Helder R. de O., Segatto, Marcelo E. V., Castellani, Carlos E. S.

“…Abstract This paper presents a numerical study and the optimization of very short discrete multi-pump Raman amplifiers using Tellurite-based optical fibers…”
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Use of Hidden Markov Model Technique to Characterize and Classify the Wideband Mobile Radio Channel in Different Environments by Azevedo, Rafael S., Cataldo, Edson, Matos, Leni J.

“…Abstract Mobile radio channel and its effects on the radio link path place fundamental limitations on the performance of wireless communication systems. This…”
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Compact Dual-band Filtering Power Divider with Low Loss and High Isolation Based on Open-Circuited Stepped-impedance Resonators by Giang, Nguyen Minh, Ngoc, Tran Bao, Hung, Pham Van, Long, Tran Van, Thang, Do Tran Quang

“…Abstract In this paper, a novel, compact, and high-performance dual-band filtering power divider is presented. The proposed circuit is constructed from a…”
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A Microwave System for Measuring Relative Humidity of Hollow Concrete Blocks: A New Proposal and a Sensitivity Analysis by Monteiro Sobrinho, Francisco Magno, Silva, Isaac Barros Tavares Da, Lira, Ruann Victor de Andrade, Campos, Antonio Luiz Pereira de Siqueira

“…Abstract In this article, the authors propose changes to a microwave system for measuring the relative humidity of hollow concrete blocks presented in the…”
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New SRR/CSRR antenna dual Band-notch for WLAN and X Band Satellite communication by Hajlaoui, El Amjed, Almohaimeed, Ziyad

“…Abstract This paper will propose an innovative compact, low-cost, low-profile inverted U-shaped patch antenna with a single and dual band-notched…”
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Methods of Measurements of Electromagnetic Characterization of Free Space Materials in the X-Band by Passos, Rafaela Real, Corsato, Cecília Maia, Donati, Bruno Ferraz, Fonseca, Nicholas Eras, Silva, Valdirene Aparecida da

“…Abstract The technique of electromagnetic characterization of materials in free space allows for the measurement of constitutive properties without making…”
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Analysis of Electromagnetic Problems in the Presence of Non-uniform Movements by Marvasti, Mohammad, Boutayeb, Halim

“…Abstract Electromagnetic problems with moving structures are considered. For objects moving at a uniform velocity, the most popular technique used in the…”
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A Novel Wideband Magnetoelectric Dipole Antenna with Circular Polarization Applied to CubeSat by Sousa, Bruno Matias de, Duarte Júnior, José Garibaldi, Silva Neto, Valdemir Praxedes da

“…Abstract In this work a broadband Magnetoelectric (ME) dipole antenna for the Global Navigation Satellite System (GNSS) applied to nanosatellites is proposed…”
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Non-Uniform Phase Synthesis for Cosecant-Squared Radiation Patterns by Leão, Pedro A. B., Faria, Tcharles V. B., Moreira, Fernando J. S.

“…Abstract In the present work an analytical formulation to synthesize non-uniform phase distributions at cylindrical apertures is described. Assuming three…”
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Wideband High-Selectivity SIW Filtering Antenna with Controllable Radiation Nulls by Wang, Zhongbao, Liu, Xinhong, Liu, Hongmei, Fang, Shaojun

“…Abstract A novel wideband high-selectivity substrate-integratedwaveguide (SIW) filtering antenna with controllable radiation nulls is proposed. This antenna is…”
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