Browsing Makale Koleksiyonu by Title
Now showing items 140-159 of 203
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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 ... -
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 ... -
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, ... -
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 ... -
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 ... -
Production of new electromagnetic wave shielder mortar using waste mill scales
(Elsevier, 2020)Electromagnetic (EM) wave shielder mortar can be produced by mixing cement, natural limestone, tap water with mill scale (mill scale-I and mill scale-II) which is one of the biggest disposal area problems of the iron-steel ... -
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 ... -
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 ... -
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 ... -
A reflection-only method for characterizing PEC-backed anisotropic materials using waveguide higher order modes
(Wiley, 2020)This paper presents a new reflection-only set-up for characterizing the properties of an anisotropic PEC-backed materials. Albeit, the reflection-only methods are established long ago, they are not elaborated appropriately ...
