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Toplam kayıt 103, listelenen: 81-90
Metamaterial Characteristics of Dielectric Resonator Arrays in Rectangular Waveguide and Free space
(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 ...
The Design of an Omnidirectional and Circularly Polarized Ku-Band Antenna for Satellite Communication
(IEEE, 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 ...
An RF Anechoic Box System Development for Shielding Effectiveness Measurements
(IEEE, 2015)
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 ...
Ultrawideband Inverse Scattering Method for Resonance Region Target Recognition: Application to Small-Scale Airplane Targets with Measured Data
(IEEE, 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, ...
Real Time Classification of Targets Using Waveforms in Resonance Scattering Region
(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 ...
Effective Permittivity and Permeability of Dielectric Resonator Arrays in Rectangular Waveguide for Metamaterial Applications
(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 ...
Real Time Classification of Targets Using Waveforms in Resonance Scattering Region
(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 Comparison of JADE Based DOA Estimation Methods for Unknown Noncoherent Source Groups Containing Coherent Signals with Frequency Matching
(IEEE, 2014)
In this study, all parameters (including the frequency of each signal group) of direction-of-arrival (DOA) problem are aimed to be extracted in the presence of unknown noncoherent source groups, which are consisting of ...
The Performance Comparison of Wigner-Based Radar Target Classification Methods for Resonance Region Targets
(IEEE, 2014)
This study includes the performance comparison of the target classification methods based on Wigner distribution in the resonance scattering region where the dimensions of the target close to wavelengths. In the suggested ...