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Transient Analysis of a Dual Polarization
Log-periodic Antenna for Remote Sensing
Applications
Prof. Dr. Arismar Cerqueira Sodré Jr.
Igor Feliciano da Costa
Juliano F. Mologni
Luís Gustavo Silva
INATEL: National Institute of Telecommunications
INATEL: Lab. WOCA (Wireless and Optical Convergence
Access)
Undergraduate students:
Renan Alves do Santos
Sebastião Verçosa da Silva
Iracema Bonomini
Dionísio Fama
Alexandre Abdalla
Graduate students:
Igor Feliciano da Costa
Luís Gustavo da Silva
Suzanne Melo
Egídio Neto
Teaching Research Development
Traditional:
Graduation and under-graduation levels
Zll /4 = ZlinhaZ2linhas
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2
ba
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2
''2,6
ba
DP
bababaD
A Pe
50,0''49,0
''2,6
44 2
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aa
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Lab. WOCA
RF Filters: Luis Gustavo and Prof. Dr. Arismar Cerqueira
Microstrip 3 Band Filter
Fractal Antennas with Sierpisnky structure:
Rodrigo Oliveira and Prof. Dr. Justino Ribeiro
0.00 1.25 2.50 3.70Freq [GHz]
-25.00
-20.00
-15.00
-10.00
-5.00
0.00
S1
1 [d
B]
Monopulse Radar: Igor Feliciano and Prof. Dr. Arismar
Research on Remote Sensing: Igor Feliciano, Prof.
Dr. Arismar Cerqueira and Juliano Mologni
“Remote sensing is a technique used for acquisition
and data processing of terrestrial environment by
analyzing the interactions between electromagnetic
radiation and substances in the Earth“
Research on Remote Sensing: Igor Feliciano, Prof.
Dr. Arismar Cerqueira and Juliano Mologni
Log-periodic antenna
Log-periodic antenna fixed ate the side of the airplane
Material: PEC
Model with the plane
FEM: Finite elements: frequency domain
Iterative Solver
1 Processor
Frequency 250MHz
Just the horizontal antenna turned on
11,2m
2,3m
12m
FEM: Finite elements: frequency domain
Iterative Solver
1 Processor
Frequency 250MHz
Just the horizontal antenna turned on
FEM : Finite elements: frequency domain
Iterative Solver
1 Processor
Frequency 250MHz
Just the horizontal antenna turned on
TRANSIENT : Finite elements: time domain
Rejection analysis -
HFSS IE : MoM – Frequency domain
TRANSIENT : Trees RCS
Incident wave
P Band
TRANSIENT : Trees RCS
Incident wave
P Band
TRANSIENT : Trees RCS
Incident plane wave - 450MHz P Band
Comparating between the two frequencys
TRANSIENT : Trees RCS
Antenna Development for UAVs
Lab. WOCA
Uso do solver FEBI para
simular uma estrutura
muitos lambdas de
comprimento
Development of advanced furnaces using HFSS
Prof. Dr. Arismar Cerqueira Sodré Junior
Ph.D. on Telecommunications Engineering
National Institute of Telecommunications (Inatel)
E-mail: [email protected]
http://www.inatel.br/docentes/arismar/
Acknolodegements
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