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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 ...
Real time classification of targets using waveforms in resonance scattering region
(2015 European Radar Conference, EuRAD 2015 - Proceedings, 2015)
The classification of similar shaped objects from scattered electromagnetic waves is a difficult problem, as it heavily depends on the aspect angle. The reduction of the adverse effects of the aspect angle is possible by ...
Real time classification of targets using waveforms in resonance scattering region
(European Microwave Week 2015: "Freedom Through Microwaves", EuMW 2015 - Conference Proceedings; 2015 45th European Microwave Conference Proceedings, EuMC, 2015)
The classification of similar shaped objects from scattered electromagnetic waves is a difficult problem, as it heavily depends on the aspect angle. The reduction of the adverse effects of the aspect angle is possible by ...
Effective permittivity and permeability of dielectric resonator arrays in rectangular waveguide for metamaterial applications
(IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), 2015)
The study describes the effective permittivity and permeability calculation of dielectric resonator arrays embedded in a WR90 rectangular waveguide structure. The scattering parameters are extracted and verified with ...
A Ku-band omnidirectional circularly polarized antenna for telemetry applications in satellite communication
(2015 USNC-URSI Radio Science Meeting (Joint with AP-S Symposium), USNC-URSI 2015 - Proceedings, 2015)
Ku-band is a frequently used frequency band especially satellite communication application. Telemetry systems collecting measurement or other kind of data are important part especially in the space segment of satellite ...
Ultrawideband inverse scattering method for resonance region target recognition: Application to small-scale airplane targets with measured data
(2015 9th European Conference on Antennas and Propagation, EuCAP 2015, 2015)
This paper develops an inverse scattering method to determine the characteristics of resonance region targets by using ultrawideband scattering signals. The method mainly uses multiple time-domain signals for each target, ...
The effectiveness of JADE based minimum variance distortionless response algorithm for DOA estimation and adaptive beamforming in multipath smart antenna application
(IEEE International Conference on Adaptive Science and Technology, ICAST, 2015)
In this paper, the direction of arrival (DOA) and adaptive antenna array beamforming for the smart antenna applications are realized by using Minimum Variance Distortionless Response (MVDR) algorithm of DOA estimation. The ...
Metamaterial characteristics of dielectric resonator arrays in rectangular waveguide and free space [Dielektrik Rezonatör Dizisinin Dikdörtgen Dalga Kilavuzu ve Serbest Uzaydaki Metamalzeme Karakteristiʇi]
(2015 23rd Signal Processing and Communications Applications Conference, SIU 2015 - Proceedings, 2015)
The study demonstrates the metamaterial characteristics of the arrays containing dielectric resonators by evaluating the permittivity and permeability coefficients of the array structures in rectangular waveguide and free ...
The design of an omnidirectional and circularly polarized Ku-band antenna for satellite communication [Uydu Haberleşmesi için Yönsüz ve Dairesel Kutuplu Bir Ku-Bant Antenin Tasarimi]
(2015 23rd Signal Processing and Communications Applications Conference, SIU 2015 - Proceedings, 2015)
This study describes about a Ku-band antenna with almost circular polarization in omnidirectional azimuth direction. The antenna structure contains two sections of inclined slotted array on a circular waveguide, and the ...