Güncel Gönderiler: Makale Koleksiyonu
Toplam kayıt 238, listelenen: 41-60
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Radar Absorber Fabric Design Based on Periodic Arrays of Circular Shaped Conductive Patches
(Celal Bayar University, 2022)In this study, the design and electrical tests of radar absorber fabric containing an array of circular shaped conductive patches positioned on a neoprene fabric are presented.In the designs, electrical performance of the ... -
Multilayered metamaterials array antenna based on artificial magnetic conductor's structure for the application diagnostic breast cancer detection with microwave imaging
(Elsevier, 2022)In this work, a small multilayer ultra-wideband (UWB) patch antenna for microwave breast imaging (MWI) applications was developed both theoretically and experimentally. However, to improve the antenna performance relating ... -
Modüler çok seviyeli dönüştürücüler için genelleştirilmiş bir kapasitör gerilim dengeleme şeması ve örnekleme frekansı analizi
(Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi, 2022)Modüler çok seviyeli dönüştürücüler (MÇD), modüler yapısı ve kaliteli çıkış dalga formu sayesinde endüstriyel uygulamalarda sıklıkla kullanılmaktadırlar. En yakın seviye modülasyon (ESM) yöntemi MÇD uygulamalarında tercih ... -
Sinusoidally located concrete metastructures for attenuation of seismic surface vibrations
(Springer, 2022)In this numerical and experimental study, we designed sinusoidal located concrete-based boreholes which are candidate for seismic shielding applications. To attenuate seismic wave transmission in an area, proposed design ... -
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 ... -
A polarization-insensitive triple-band perfect metamaterial absorber incorporating ZnSe for terahertz sensing
(Institute of Physics, 2022)In this work, a triple-band polarization-insensitive metamaterial structure with perfect absorption is proposed by incorporating a zinc selenide (ZnSe) spacer. The structure was optimally designed by varying the type of ... -
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. ... -
Radiation pattern reconfigurable cubical antenna array for 2.45 GHz wireless communication applications
(Springer, 2022)In this paper a single-fed four-faced multidirectional compact antenna is introduced for 2.45 GHz indoor wireless applications. Firstly, a slotted patch antenna is designed to operate at 2.45 GHz and its equivalent circuit ... -
Risk assessment of renewable energy and multi-carrier energy storage integrated distribution systems
(Wiley, 2022)High-power renewable energy sources (RESs) are recognized as a significant trend for the development of power distribution systems in an eco-friendly manner. Due to the aging of distribution system infrastructure, many ... -
Investigation of structural, magnetic and microwave absorption properties of NixCo1-xFe2O4/Ni:ZnO (x:0.0, 0.5, and 1.0) embedded epoxy composites
(Springer, 2022)In this study, NixCo1−xFe2O4/Ni:ZnO (x:0.0, 0.5, and 1.0) epoxy-based composite structures were manufactured by sol–gel method. The structural, morphological and magnetic characteristics were investigated using X-ray ... -
Fractal metamaterial based multiband absorber operating in 5G regime
(Elsevier, 2022)Multiband absorption is the interest of the microwave communities due to several applications in sensing, filtering, and stealth. Usually, the stacking of metal and dielectric multilayered structures form a multiband ... -
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 ... -
Mechanisms of nonlinear optical absorption in (GeO2)1-x–(PbF2)x (0.1 ≤ x ≤ 0.3) modified germanate glasses
(Elsevier, 2022)The structural, optical, and nonlinear absorption properties of (GeO2)1-x–(PbF2)x (0.1 ≤ x ≤ 0.3) glasses synthesized by conventional melting and quenching technique were investigated. Bandgap energies and Urbach energies ... -
A vanadium dioxide-based metamaterial with quatrefoil and circle loaded structure on flexible polyamide substrate for terahertz applications
(Frontiers Media S.A., 2022)In this study, a novel broadband metamaterial (MTM) absorber is proposed, which is based on vanadium dioxide (VO2) resonators coated onto a flexible polyamide substrate. The VO2 resonator is in the form of a quatrefoil and ... -
Nonlinear optical performance and optical limiting of germanate glasses modified with PbF2 and B2O3 induced by nanosecond pulsed laser
(Elsevier, 2022)In this work, GeO2 modified with PbF2 and B2O3 glasses were synthesized by conventional melting and quenching technique to investigate the effect of modifier network on its linear and nonlinear optical properties. Linear ... -
SLPred: a multi-view subcellular localization prediction tool for multi-location human proteins
(Oxford University Press, 2022)Accurate prediction of the subcellular locations (SLs) of proteins is a critical topic in protein science. In this study, we present SLPred, an ensemble-based multi-view and multi-label protein subcellular localization ... -
A Symmetrical Terahertz Triple-Band Metamaterial Absorber Using a Four-Capacitance Loaded Complementary Circular Split Ring Resonator and an Ultra-Thin ZnSe Substrate
(MDPI, 2022)In this research work, a symmetrical four-capacitance loaded complementary circular split ring resonator is proposed, which uses an ultra-thin Zinc Selenide (ZnSe) substrate to realize a low-profile triple-band metamaterial ... -
Theoretical and experimental sensing of bone healing by microwave approach
(Wiley, 2022)A medical imaging system is often required to monitor bone growth or bone healing in patients. X-ray imaging method is one of the most used imaging systems but it affects human health due to the ionizing effect of X-rays ... -
3D EM data driven surrogate based design optimization of traveling wave antennas for beam scanning in X-band: an application example
(Springer, 2022)In this paper, design and optimization of a microstrip elliptic traveling wave antenna (TWA) are presented for the beam scanning in X-band as an application of 3D data driven surrogate based design optimization technique. ... -
Recognizing Students and Detecting Student Engagement with Real-Time Image Processing
(MDPI, 2022)With COVID-19, formal education was interrupted in all countries and the importance of distance learning has increased. It is possible to teach any lesson with various communication tools but it is difficult to know how ...