Ara
Toplam kayıt 52, listelenen: 11-20
A dual circularly polarized omnidirectional receiver antenna for satellite communication
(Progress in Electromagnetics Research Symposium, 2017)
This study describes about an omnidirectional antenna for satellite communication applications possessing dual circular polarization at almost over the full azimuth plane and wide elevation plane. The antenna does not use ...
The effects of geometric scattered signal waveform modeling on target identification performance
(2017 11th European Conference on Antennas and Propagation, EUCAP 2017, 2017)
Target identification from scattered signals using time domain techniques depend significantly on the waveform. Recently, a novel feature set is proposed which encounter structural properties of the waveform and collects ...
Omnidirectional and circularly polarized waveguide circular slot antenna array for satellite communication [Uydu Haberlesmesi için Yönsüz ve Dairesel Kutuplanmali Dalga Kilavuzu Çembersel Yarik Anten Dizisi]
(2016 National Conference on Electrical, Electronics and Biomedical Engineering, ELECO 2016, 2017)
In this paper, the design of omnidirectional and circularly polarized antennas, which can be used in satellite communication, is explained. These antennas consist of circular slotted array placed symmetrically on a cylindrical ...
The variations of omnidirectional circularly polarized antennas for satellite telemetry/telecommand applications
(Istanbul University - Journal of Electrical and Electronics Engineering, 2017)
In this paper, the design, production and results of different types of omnidirectional and circularly polarized antennas for satellite communication applications such as telemetry or telecommand, are explained. These ...
Radar target classification for resonance scattering region targets with min-norm signal processing method
(2016 IEEE Radar Methods and Systems Workshop, RMSW 2016 - Proceedings, 2016)
This paper presents a radar target classification method using high-resolution Min-Norm (minimum norm) technique to discriminate targets in a selected target database. The method is convenient for the targets at the resonance ...
Evaluation of waveform structure features on time domain target recognition under cross polarization
(Journal of Physics: Conference Series, 2016)
Classification of aircraft targets from scattered electromagnetic waves is a challenging application, which suffers from aspect angle dependency. In order to eliminate the adverse effects of aspect angle, various strategies ...
Application of dielectric resonator based metamaterial in waveguide coupler
(2016 10th European Conference on Antennas and Propagation, EuCAP 2016, 2016)
In this study, an implementation of the metamaterial structure is used in a waveguide directional coupler. For this purpose, a four-hole waveguide directional coupler in X-band is designed. Then, the block of dielectric-resonator ...
Hierarchical Reconstruction and Structural Waveform Analysis for Target Classification
(IEEE Transactions on Antennas and Propagation, 2016)
Classification of objects from scattered electromagnetic waves is a difficult problem, as it heavily depends on aspect angle. To minimize this dependency, distinguishable features can be used. In this paper, we propose a ...
Circularly polarized hemispherical antennas for telemetry and telecommand applications in satellite communication
(2016 10th European Conference on Antennas and Propagation, EuCAP 2016, 2016)
This study describes about Ku-band antennas with circular polarization in hemispherical radiation pattern for telemetry and telecommand applications of satellite communication. The first section of antenna contains a septum ...
An RF anechoic box system development for shielding effectiveness measurements
(ELECO 2015 - 9th International Conference on Electrical and Electronics Engineering, 2016)
Shielding effectiveness is a term that defines the electromagnetic shielding property of a material. The demand of using wireless technologies and higher frequencies in new devices also bring the need to shield the unwanted ...