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An easy-to-produce HIS-based MIMO radio altimeter antenna design for aircraft
(Emerald Publishing, 2023)PurposeThe purpose of this study is to design a radio altimeter antenna whose production process is facilitated and can work with multiple-input multiple-output (MIMO) properties to provide space gain on the aircraft.Des ... -
TiO2 Katkılı Elmas-Benzeri Karbon Filmlerin Yeni Bir Çözeltiden Üretilmesi ve Karakterizasyonları
(Zonguldak Bülent Ecevit Üniversitesi, 2022)Elmas-benzeri karbon (EBK) filmler gösterdikleri mekanik ve fiziksel özelliklerinden dolayı en çok çalışılan kaplama malzemeleridir. Bu filmlerin özelliklerinin iyileştirilmesi için üretim yöntemleri ve katkılanmaları ... -
Pattern Shaping by Utilizing EBG Phase Response and Its Use in MIMO Radio Altimeter Antenna Design for Aircraft
(MDPI, 2023)In this study, a novel pattern shaping technique is presented and applied to the uniquely designed multiple-input multiple-output (MIMO) radio altimeter antenna, acquiring area gain. Inspired by the behavior of the perfect ... -
A monostatic RCS reduction study for an antenna in structural mode at X band
(Taylor and Francis, 2023)In this paper, a radar cross-section (RCS) reduction of a microstrip antenna is investigated both experimentally and numerically. A traditional metal ground plane antenna and a bandstop frequency selective surface (FSS) ... -
Frequency-dependent electrical parameters and extracted voltage-dependent surface states in Al/DLC/p-Si structure using the conductance method
(Springer, 2023)In the present work, a diamond-like carbon film (DLC) was electrodeposited on a p-Si substrate and was used to fabricate an Al/DLC/p-Si/Au metal/interlayer/semiconductor (MIS) Schottky diodes (SDs). The structural analysis ... -
Detection of Toxic Gases Using Flexible Metamaterial Absorber at Terahertz Frequencies
(Osmaniye Korkut Ata Üniversitesi, 2023)The development of technology implies the release of several gases to the environment. These gases, especially toxic ones, have many negative effects on human life and cause many diseases that will adversely affect human ... -
Tree-shaped fractal metamaterial multiband absorber for C- and X-band applications
(Taylor and Francis Ltd., 2022)Recently, multiband metamaterial absorbers have gained considerable attention from research and development communities due to their applications in filtering, stealth, and sensing. However, these multiband absorbers are ... -
Low-Cost Antenna-Array-Based Metamaterials for Non-Invasive Early-Stage Breast Tumor Detection in the Human Body
(MDPI, 2022)Microstrip patch antennas have been used in many applications since their appearance. Despite their great promise, their narrow bandwidth and the loss at high-frequency bands have limited their usage in medical applications. ... -
Enhanced Sensing Capacity of Terahertz Triple-Band Metamaterials Absorber Based on Pythagorean Fractal Geometry
(MDPI, 2022)A new design of a triple band perfect metamaterial absorber based on Pythagorean fractal geometry is proposed and analyzed for terahertz sensing applications. The proposed design showed an enhanced sensing performance and ... -
Investigation of wind effect on different quadrotors
(Emerald Group Holdings Ltd., 2022)Purpose – Although windy weather conditions have a significant effect on the flight safety and stability of any aircraft, the fact that quadrotors are lighter than other aircraft makes them more sensitive to the wind. ... -
Real-time tuning of PID controller based on optimization algorithms for a quadrotor
(Emerald Group Publishing Ltd., 2021)Purpose This study aims to develop a quadrotor with a robust control system against weight variations. A Proportional-Integral-Derivative (PID) controller based on Particle Swarm Optimization and Differential Evaluation ... -
Privacy preserving classification over differentially private data
(Wiley, 2021)Privacy preserving data classification is an important research area in data mining field. The goal of a privacy preserving classification algorithm is to protect the sensitive information as much as possible, while providing ... -
Facile deposition of carbon-doped TiO2 films by two-electrode electrodeposition setup
(World Scientific Publishing, 2021)This study presents a simple electrochemical deposition route to obtain carbon-doped TiO2 films. The deposition of the films is carried out on silicon substrates from a mixture of methanol (CH3OH) and Titanium (IV) ... -
Investigation of cotton fabric composites as a natural radar-absorbing material
(Emerald Group Publishing Ltd., 2020)Purpose The purpose of this paper is to investigate cotton fabric behavior that is exposed to radar waves between selected operation frequencies as an alternative radar-absorbing material (RAM) response. Cotton fabric ...
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