Yazar
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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. (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, 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. (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-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 ... -
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. (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, ... -
Utilizing Resonant Scattering Signal Characteristics of Magnetic Spheres via Deep Learning for Improved Target Classification
Selver, M.A.; Toprak, T.; Secmen, M.; Zoral, E.Y. (IEEE, 2019)Object classification using LAte-time Resonant Scattering Electromagnetic Signals (LARSESs) is a significant problem found in different areas of application. Due to their special properties, spherical objects play an ...
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