Browsing Makale Koleksiyonu by Title
Now showing items 162-181 of 238
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Octagonal Shaped Metamaterial Absorber Based Energy Harvester
(Kaunas University of Technology, 2018)In this study, a novel octagonal shaped metamaterial based broadband absorber is proposed for energy harvesting at WIMAX wireless communication band. The proposal has an absorption of 99.97 % at 5.5 GHz with a bandwidth ... -
Optimal design of transmitarray antennas via low-cost surrogate modelling
(Nature Research, 2023)Over the recent years, reflectarrays and transmitarrays have been drawing a considerable attention due to their attractive features, including a possibility of realizing high gain and pencil-like radiation patterns without ... -
Optimizing the Gain and Directivity of a Microstrip Antenna with Metamaterial Structures by Using Artificial Neural Network Approach
(Springer, 2021)The purpose of this study is to improve the gain and directivity of the microstrip patch antenna by means of metamaterial (MTM) structures. As it is known, antennas have power densities in a certain direction, and the ... -
Özelleştirilmiş Uygunluk Fonksiyonu Tabanlı Su Döngüsü Algoritması ile PID Parametrelerinin Optimizasyonu
(Avrupa Bilim ve Teknoloji Dergisi, 2020)Endüstriyel alanda kullanılan kontrolcüler arasında PID kontrolcü, en yaygın olanıdır. Bunun önemli sebebi olarak bu kontrolcüde kullanılan parametre sayısının az olması ve parametrelerinin her birinin uygulanan sistem ... -
PANI-coated YIG/CFO hybrid composites as advanced electromagnetic wave absorber through X-band
(Elsevier, 2023)Polyaniline (PANI)-coated Y3Fe5O12(YIG)/CoFe2O4(CFO) hybrid composites were synthesized via sol-gel and oxidative polymerization methods to achieve advanced microwave absorption properties. The structural, morphological, ... -
Pattern reconfigurable metasurface to improve characteristics of low profile antenna parameters
(Wiley, 2019)This article proposes a mushroom-shaped electromagnetic band gap (EBG) structure for the antenna parameter enhancement of low profile antennas in 5 to 15 GHz regime. Three different type antennas including a dipole antenna, ... -
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 ... -
PCB mikroşerit dipol ve monopol antenlerin kullanıldığı çok portlu sistemlerde metamalzeme ile yalıtımın iyileştirilmesi
(2018)Bu çalışmada, dipol ve monopol antenlerin bulunduğu iki portlu anten sistemlerindeki izolasyonuniyileştirilmesi gerçeklenmiştir. Bu amaç için 2.4 GHz ve 6 GHz frekanslarında çalışan dipol antenler ile2.438 GHz ve 1.706 GHz ... -
Perfect metamaterial absorber-based energy harvesting and sensor applications in the industrial, scientific, and medical band
(SPIE-Soc Photo-Optical Instrumentation Engineers, 2015)An electromagnetic (EM) energy harvesting application based on metamaterials is introduced. This application is operating at the the industrial, scientific, and medical band (2.40 GHz), which is especially chosen because ... -
Performance & emission analysis of HHO enriched dual-fuelled diesel engine with artificial neural network prediction approaches
(Elsevier, 2020)Most of the studies on conventional fuel types that can be used in internal combustion engines have been made in order to improve performance values. Nowadays environmental problems have shown that emission values are more ... -
Performance & emission analysis of HHO enriched dual-fuelled diesel engine with artificial neural network prediction approaches
(Elsevier, 2020)Most of the studies on conventional fuel types that can be used in internal combustion engines have been made in order to improve performance values. Nowadays environmental problems have shown that emission values are more ... -
Performance of MAP Channel Estimator in Power Line Communication with OFDM under Impulsive Noise
(Balkan Journal of Electrical and Computer Engineering, 2018)Power Line Communication (PLC), which is a competitive technique especially for in-home applications, faces impulsive noise together with unstable channel characteristics. These two unpredictable factors make the communication ... -
Phase (1T/2H) dependent electromagnetic wave absorbing performance of flower-like MoS2 nanosheets
(Elsevier, 2023)A study was carried out to determine the phase-dependent electromagnetic wave (EMW) absorption performance of MoS2 particles via systematically diversified hydrothermal synthesis conditions such as time, temperature, ... -
PID parametrelerinin ayarlama yöntemleri: 2. derece sistem modeline uygulanması ve karşılaştırmalı olarak değerlendirilmesi
(Çukurova Üniversitesi Mühendislik-Mimarlik Fakültesi Dergisi, 2015)PID denetleyiciler, özellikle ayarlanacak parametrelerinin az olması ve yüksek başarımı nedeniyle negatif geri beslemeli kontrol sistemlerinde tercih edilmektedir. Literatürde, PID parametrelerinin ayarlanmasına yönelik ... -
Polarization angle independent metamaterial absorber based on circle-shaped resonators with interference theory
(World Scientific Publishing Co. Pte Ltd, 2015)We theoretically and numerically designed a perfect metamaterial absorber at microwave frequencies. The proposed design has a very simple geometry, wide band properties and provides perfect absorption for all polarization ... -
Polarization independent broadband metamaterial absorber for microwave applications
(John Wiley and Sons Inc., 2019)A new polarization independent broadband metamaterial absorber (MA) structure based on split ring resonators which are loaded with lumped elements and via connection lines is proposed. The designed structure shows a perfect ... -
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 ... -
Power curve modeling for wind turbine systems: a comparison study
(Taylor and Francis Ltd., 2019)The main goal of this study is to determine which one of the current methods is the most appropriate in representing the power curve of commercial Wind Turbine Systems (WTSs). For this purpose, the adequacy of various power ... -
Predicting the Specificity- Determining Positions of Receptor Tyrosine Kinase Axl
(Frontiers Media S.A., 2021)Owing to its clinical significance, modulation of functionally relevant amino acids in protein-protein complexes has attracted a great deal of attention. To this end, many approaches have been proposed to predict the ... -
Prevention of Wave Propagation via Circular Arrangement of Seismic Metamaterials Formed with Concrete Piles
(MDPI, 2023)It is known that the low frequencies of seismic surface waves have a destructive effect. The main purpose of seismic metamaterials is to protect structures from seismic waves at low frequencies, especially in a wide band. ...
