Modeling of a conical antenna applied in a waveguide device

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dc.creatorDiego Tami
dc.creatorCassio Goncalves do Rego
dc.creatorGláucio Lopes Ramos
dc.date.accessioned2025-05-05T14:45:08Z
dc.date.accessioned2025-09-08T23:49:44Z
dc.date.available2025-05-05T14:45:08Z
dc.date.issued2019
dc.identifier.doi10.1109/IMOC43827.2019.9317687
dc.identifier.urihttps://hdl.handle.net/1843/82004
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofSBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC)
dc.rightsAcesso Restrito
dc.subjectAntenas (Eletrônica)
dc.subject.otherAntennas , Broadband antennas , Electromagnetic waveguides , Impedance , Microwave antennas , Waveguide transitions , Probes
dc.subject.otherComputational electromagnetics, Conical antenna , impedance matching , wave-guides
dc.subject.otherWaveguide Devices , Simulation Results , Impedance Matching , Electrical Response , Field Coupling , Electric Lines , Antenna Impedance , Broadband Response , Free Space , Good Match , TE Mode , Line Impedance , Antenna Length , Monopole Antenna , Good Impedance Matching , Coaxial Line , Antenna Model , Transmission Line Theory , Infinite Plane
dc.titleModeling of a conical antenna applied in a waveguide device
dc.typeArtigo de evento
local.description.resumoThis work presents a study about impedance matching in a microwave device formed by the junction of waveguides. These transitions are characterized by a probe antenna that ensures the electromagnetic field coupling between waveguides of different geometries. The modeling for this antenna is based on the theory of the electrical transmission line. In this way, we estimate the input impedance of a conical antenna that feeds a coaxial waveguide. This theoretical approach allows obtaining the characteristic parameters, length and angle, of the conical antenna in a practical way. In order to validate the estimated parameters, we used COMSOL software to build the transition geometry and to simulate the waveguide device electrical response. The simulation results showed an improvement in the broadband response and impedance matching using a conical antenna as a field coupling probe inside the waveguide device.
local.publisher.countryBrasil
local.publisher.departmentENG - DEPARTAMENTO DE ENGENHARIA ELETRÔNICA
local.publisher.initialsUFMG
local.url.externahttps://ieeexplore.ieee.org/document/9317687

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