Search Results - "Eker, Sebahattin"

Determining the parameters of a dielectric ellipsoid for minimising front echo in Gaussian pulse scattering analysis by İşcan, Emre, Tabatadze, Vasil, Eker, Sebahattin

“…A novel numerical method is introduced for minimising the presence of scattering echoes in the frontal area of a dielectric ellipsoid through the application…”
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Modeling of Mobile and Fixed Broadband Subscriptions of Countries with Fractional Calculus by Tuğrul, Nisa Özge Önal, Başer, Cennet, Ergün, Esra, Karaçuha, Kamil, Tabatadze, Vasil, Eker, Sebahattin, Karaçuha, Ertuğrul, Şimşek, Kevser

“…Today, operators have become the resource of telecommunications data. Therefore, knowledge about subscriptions is easily available for most countries. In…”
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Condition Investigations of Concrete Cylinders Using Electromagnetic Waves at Microwave Frequencies by Sener, Ummu Sahin, Eker, Sebahattin

“…Microwave radar non-destructive testing (NDT) technique is used to simulate and measure concrete cylinder containing rebar and void. The interaction of…”
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Microwave Non-Destructive Testing Technique for Material Characterization of Concrete Structures via Electromagnetic Waves with FDTD by Sener, Ummu, Eker, Sebahattin

“…Concrete is a nonhomogeneous medium that contains coarse aggregate, sand (fine aggregate), cement powder, water and porosity. Microwave non-destructive testing…”
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Comparison of Concrete Sample Scattering Parameters Obtained from FDTD and Microwave Measurement by Sener, Ummu Sahin, Eker, Sebahattin

“…Concrete is the most widely used building material. Determining the dielectric properties of concrete is important since it is possible to comment on its…”
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A Circular Dipole Antenna Array Design for RF Energy Harvesting in Wireless Communication Technologies by Iscen, Emre, Eker, Sebahattin

“…Antenna design for wireless communication technology applications has become a subject of interest in recent years. In this study, firstly, a single element…”
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Analyzing Electromagnetic Pulse Diffraction for the Reconstruction of Elliptical Cylinder Shapes by Iscan, Emre, Tabatadze, Vasil, Eker, Sebahattin

“…This study focused on analyzing the effectiveness of Gaussian radio pulse for dielectric object detection and reconstruction in diffraction phenomena. The…”
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Analysis of Electromagnetic Pulse Scattering for Shape Reconstruction of Elliptical Cylinders by Iscan, Emre, Tabatadze, Vasil, Eker, Sebahattin

“…This study investigates the effectiveness of the use of electromagnetic (EM) pulses for object characterization and shape reconstruction by measurement of…”
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Microstrip Fed Circular Patch Antenna for 5G and Wireless Communication by Gul, Ferda Cansu, Eker, Sebahattin

“…In this study, a wideband circular patch antenna has been studied and fabricated as a prototype for 5G and wireless communication. Simulated and experimental…”
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Microwave Non-Destructive Testing Technique for Material Characterization of Concrete Structures via Electromagnetic Waves with FDTD by Sener, Ummu Sahin, Eker, Sebahattin

“…Concrete is a nonhomogeneous medium that contains coarse aggregate, sand (fine aggregate), cement powder, water and porosity. Microwave non-destructive testing…”
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Frequency Transformation of a Whistler Wave by A Collapsing Plasma Medium in a Cavity: FDTD Solution by Kalluri, D.K., Eker, S., Ehsan, M.M.

“…A whistler wave in a cavity filled with a magnetoplasma medium is strongly affected when the plasma source is switched-off. Due to such a collapse of the…”
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Investigations on millimeter wave detection of power lines from a safe distance by Unal, Ilhami, Eker, Sebahattin

“…A millimeter wave obstacle detection system for helicopters is installed to observe the feasibility for the detection of power lines from a safe distance,…”
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Polyethylene Pipeline Detection and Visualization Using the Method of Auxiliary Sources by Guner, Omer Faruk, Tabatadze, Vasil, Eker, Sebahattin

“…Pipelines maintaining and upgrading are the most important undertakings for utility companies. Excavation work is required to reach the pipe for possible…”
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Microwave Non-Destructive Testing Technique for Defect Detection of Composite Piles via Electromagnetic Waves with FDTD by Sener, Ummu Sahin, Eker, Sebahattin

“…Radar and microwave non-destructive testing (NDT) technique is used to simulate a concrete-filled Fiber Reinforced Polymer (FRP) tubes and a concrete pile…”
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Non-Destructive Assessment of Planarly Layered Concrete Structures Using Electromagnetic Waves by Sahin Sener, Ummu, Eker, Sebahattin

“…Although concrete has a heterogeneous structure due to the material components it contains, it can also be a structural component such as a cable or rebar in…”
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A Two-Element Array Design of Dual-Band Quasi-Yagi Antenna With Reflector by Gul, Ferda Cansu, Karacuha, Kamil, Eker, Sebahattin

“…A dual-band Quasi-Yagi antenna and its planar and virtual array variations have been studied, and results are presented in this paper. The antenna operates at…”
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Whistler wave propagation in a switched time-varying medium: Stability and accuracy of the FDTD exponential time-stepping algorithm by Eker, Sebahattin

“…This dissertation presents the results of investigations into the accuracy of exponential time-stepping approximation versus central differences algorithm in…”
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A Gain Enhancement Study on a Vivaldi Antenna for Radar Applications by Yildiz, Esma Mine, Dede, Cansu Ferda Gul, Karacuha, Kamil, Eker, Sebahattin

“…This paper presents an exponential flared Vivaldi type antenna in two different modifications that achieved high bandwidth and gain. The proposed antenna has…”
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Frequency and Polarization Transformer: Transverse Modes: II Finite Rise Time by Khalifeh, A.F., Eker, S., Kalluri, D.K.

“…A frequency transformer that converts a linearly polarized standing wave into frequency shifted extraordinary (X) standing waves is considered. The transformer…”
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A Review of 5G Technology: Architecture and Challenges by Attarbashi, Zainab S., Altaleb, Abdulazeez E., Mohd Aman, Azana Hafizah, Hassan Abdalla Hashim, Aisha, Eker, Sebahattin

“…5G Networks are considered as a new evolution since it aims to increase the wireless capacity 1000 times the previous generations. By 2025, it is expected that…”
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