Banca de QUALIFICAÇÃO: ANAMARIA SENA MAIA

Uma banca de QUALIFICAÇÃO de DOUTORADO foi cadastrada pelo programa.
DISCENTE : ANAMARIA SENA MAIA
DATA : 08/12/2017
HORA: 09:00
LOCAL: Sala de reuniões do PPgEEC
TÍTULO:

Design of dual band microwave absorbers using frequency selective surfaces

PALAVRAS-CHAVES:

Frequency Selective Surface, Microwave Absorbers, Dual Band

PÁGINAS: 40
GRANDE ÁREA: Engenharias
ÁREA: Engenharia Elétrica
SUBÁREA: Telecomunicações
ESPECIALIDADE: Teoria Eletromagnetica, Microondas, Propagação de Ondas, Antenas
RESUMO:

Currently designs developed in wireless network systems are on signal confinement. We observe the need to increase security and restriction of services, in which electromagnetic signals must remain only in a specific room, without external transmittance. Consequently, several researches are studying the use of Frequency Selective Surfaces (FSS) as a way to reduction electromagnetic interference (EMI) and to maintain the systems' compliance. With characteristic and distinct performance of the conventional passive absorbers of Salisbury and Jaumann, that present good absorption in the band of stop, but, low transmission in the external bands. The absorbers with FSS propose to act with transparency to the electromagnetic waves of the incident plane in the passing band, while absorbing the waves in the wanted frequency bands. Therefore, the objective of this work is to design a microwave absorber structure integrated with frequency selective surfaces with multiband performance. Studies described in the literature are analyzed to obtain such desired absorption characteristics, later structures are projected with variation of their respective parameters. Demonstrating mastery in the use of the commercial software used in the simulations, and understanding the effects of the parametric variations of the devices examined.

MEMBROS DA BANCA:
Presidente - 2524053 - ANTONIO LUIZ PEREIRA DE SIQUEIRA CAMPOS
Externo ao Programa - 1840342 - MARCIO EDUARDO DA COSTA RODRIGUES
Externo à Instituição - ERICO CADINELI BRAZ - IFRN