Yazar
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Application of dielectric resonator based metamaterial in waveguide coupler
Kalender, G.; Zoral, E.Y.; Secmen, M. (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 ... -
Application of Dielectric Resonator Based Metamaterial in Waveguide Coupler
Kalender, G.; Zoral, E.Y.; Secmen, M. (IEEE, 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 ... -
Comparison of scattered signal waveform recovery techniques under low SNR for target identification
Selver, M.A.; Secmen, M.; Zoral, E.Y. (2017 11th European Conference on Antennas and Propagation, EUCAP 2017, 2017)Target identification from scattered electromagnetic waves is a difficult problem especially at low SNR levels, which prevents extraction of distinguishable information. When a scattered signal is corrupted by noise, it ... -
Comparison of Scattered Signal Waveform Recovery Techniques Under Low SNR for Target Identification
Selver, M.A.; Secmen, M.; Zoral, E.Y. (IEEE, 2017)Target identification from scattered electromagnetic waves is a difficult problem especially at low SNR levels, which prevents extraction of distinguishable information. When a scattered signal is corrupted by noise, it ... -
Effective permittivity and permeability of dielectric resonator arrays in rectangular waveguide for metamaterial applications
Kalender, G.; Secmen, M.; Zoral, E.Y. (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 ... -
Effective Permittivity and Permeability of Dielectric Resonator Arrays in Rectangular Waveguide for Metamaterial Applications
Kalender, G.; Secmen, M.; Zoral, E.Y. (IEEE, 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 ... -
Evaluation of waveform structure features on time domain target recognition under cross polarization
Selver, M.A.; Secmen, M.; Zoral, E.Y. (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 ... -
Evaluation of Waveform Structure Features on Time Domain Target Recognition under Cross Polarization
Selver, M.A.; Secmen, M.; Zoral, E.Y. (IOP PUBLISHING LTD, 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 ... -
Hierarchical Reconstruction and Structural Waveform Analysis for Target Classification
Selver, M.A.; Taygur, M.M.; Secmen, M.; Zoral, E.Y. (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 ... -
Hierarchical Reconstruction and Structural Waveform Analysis for Target Classification
Selver, M.A.; Taygur, M.M.; Secmen, M.; Zoral, E.Y. (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 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 ... -
Metamaterial Characteristics of Dielectric Resonator Arrays in Rectangular Waveguide and Free space
Kalender, G.; Secmen, M.; Zoral, E.Y. (IEEE, 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 ... -
Metamaterial characteristics of dielectric resonator arrays in rectangular waveguide and free space [Dielektrik Rezonatör Dizisinin Dikdörtgen Dalga Kilavuzu ve Serbest Uzaydaki Metamalzeme Karakteristiʇi]
Kalender, G.; Secmen, M.; Zoral, E.Y. (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 ... -
Real time classification of targets using waveforms in resonance scattering region
Selver, M.A.; Zoral, E.Y.; Secmen, M. (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
Selver, M.A.; Zoral, E.Y.; Secmen, M. (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 ... -
Real Time Classification of Targets Using Waveforms in Resonance Scattering Region
Selver, M.A.; Zoral, E.Y.; Secmen, M. (IEEE, 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
Selver, M.A.; Zoral, E.Y.; Secmen, M. (IEEE, 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 ... -
The effects of geometric scattered signal waveform modeling on target identification performance
Selver, M.A.; Secmen, M.; Zoral, E.Y. (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 ... -
The Effects of Geometric Scattered Signal Waveform Modeling on Target Identification Performance
Selver, M.A.; Secmen, M.; Zoral, E.Y. (IEEE, 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 ... -
Transferring Synthetic Elementary Learning Tasks to Classification of Complex Targets
Selver, M.A.; Toprak, T.; Secmen, M.; Zoral, E.Y. (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2019)Deep learning has a promising impact on target classification performance at the expense of huge training data requirements. Therefore, the use of simulated data is inevitable for convergence of deep models (DMs). However, ... -
Transferring Synthetic Elementary Learning Tasks to Classification of Complex Targets
Selver, M.A.; Toprak, T.; Secmen, M.; Zoral, E.Y. (IEEE Antennas and Wireless Propagation Letters, 2019)Deep learning has a promising impact on target classification performance at the expense of huge training data requirements. Therefore, the use of simulated data is inevitable for convergence of deep models (DMs). However, ...
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