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Design of an optical beam combiner for dual band observation with ALMA
(IEEE, 2017)
The aim of this work is to improve high-frequency calibration data on long baseline observations for the ALMA antennas. A dual-frequency atmospheric phase error calibration method is ...
Estudo de antenas de microfita com dupla-banda e dupla-polarização para aplicação em redes retro-diretivas
(Universidade Federal do Pampa, 2017)
A compact dual-loop antenna with radial wires
(2011)
New Antenna geometries are continuously proposed by engineers and researchers in order to meet increasingly demanding characteristics of wireless communication systems. In this document a compact wire antenna consisting ...
A compact dual-loop antenna with radial wires
(2011)
New Antenna geometries are continuously proposed by engineers and researchers in order to meet increasingly demanding characteristics of wireless communication systems. In this document a compact wire antenna consisting ...
Estudo da conversão de polarização linear-circular em antenas dual-band para leitores RFID portáteis usando metasuperfícies miniaturizadas
(BrasilUFRNPROGRAMA DE PÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICA E DE COMPUTAÇÃO, 2016-07-04)
This work aims to propose a new structure able to convert signals linearly polarized generated by a microstrip antenna for circularly polarized signals at two operating bands (2.45 GHz and 5.8 GHz), for use in portable ...
Análise paramétrica de antenas log-periódicas lineares e com fractal de Koch
(Universidade Federal do PampaUNIPAMPABrasilCampus Alegrete, 2018)
Design and analysis of an antenna array system for communication using high-altitude platformsProjeto e análise de um sistema de rede de antenas para comunicação utilizando plataformas de alta altitude
(Universidade Federal do PampaUNIPAMPAMestrado Acadêmico em Engenharia ElétricaBrasilCampus Alegrete, 2017)
Air substrate patch and monopole antennas in compact array for MIMO applications
(2010)
Search for antennas to meet more complex requirements for new wireless technologies is a continuous industrial and academia activity. Two dual antennas in compact array for MIMO applications are presented in this paper. ...
Air substrate patch and monopole antennas in compact array for MIMO applications
(2010)
Search for antennas to meet more complex requirements for new wireless technologies is a continuous industrial and academia activity. Two dual antennas in compact array for MIMO applications are presented in this paper. ...
Análise no domínio do tempo de antenas duplo-refletoras para cobertura omnidirecional
(Universidade Federal de Minas GeraisUFMG, 2018-02-28)
This work aims to develop a formulation to obtain the time-domain electric far field radiated by classical omnidirectional dual-reflector antennas fed by a TEM coaxial horn. These antennas are capable of operating in ...