Başlık için Elektrik-Elektronik Mühendisliği listeleme
Toplam kayıt 261, listelenen: 75-94
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Enhancement of image quality by using metamaterial inspired energy harvester
(Elsevier, 2020)Metamaterial energy harvester based subwavelength imaging structure is presented. Besides, 2x2 array patch antenna is designed to create incident radiated signal towards the proposed harvester structure. Harvested energy ... -
Estimation of Electrical Characteristics and Maximum Power Point of Photovoltaic Panel
(Engineering & Scientific Research Groups, 2017)This paper proposes to estimate the electrical characteristics and maximum power point of a photovoltaic (PV) panel under variable environmental conditions in Sanlrurfa region (southeast of Turkey). Variable environment ... -
Estimation of PLC channels: An adaptive simplified map approach
(Istanbul University, 2015)An adaptive channel estimation method, to be used in Power Line Communication systems with Orthogonal Frequency Division Multiplexing modulation, is presented in this paper. The proposed Maximum A-Posteriori based estimator ... -
Exhibition of polarization conversions with asymmetric transmission theory, natural like chiral, artificial chiral nihility and retrieval studies for K- and C-band radar applications
(Indian Academy of Sciences, 2019)In this study, asymmetric transmission, natural chirality phenomena and a retrieval study with chiral metamaterials (MTMs) are numerically and experimentally focussed, investigated and discussed by examining the polarization ... -
Experimental verification of phononic crystal based on square arrays of cylindrical holes against seismic vibrations in full-scale systems: modeling, sensing and signal processing of seismic vibrations
(Springer, 2021)In this study, phononic crystals reducing the earthquake effects will be determined and prototypes will be constructed which can give the opportunity to reduce the effects of seismic waves. Furthermore, test results will ... -
Experimental work on mechanical, electromagnetic and microwave shielding effectiveness properties of mortar containing electric arc furnace slag
(Elsevier, 2018)It is well known that one of the widely used structural materials is ordinary cement mortar. Whereas the mechanical properties are sufficient as structural materials, its shielding effectiveness and prevention properties ... -
Farklı İş Yükleri Altında NoSQL Sistemlerinin Performans Analizi
(BEÜ Fen Bilimleri Dergisi, 2019)NoSQL veritabanı sistemleri gün geçtikçe daha hızlı bir şekilde büyük veri uygulamaları için yaygın olarak kullanılan bir veri platformu haline gelmektedir. Farklı NoSQL çözümleri arasından en iyi seçimi yapabilmek için ... -
Farklı Konfigürasyonlarda Çelik Metamalzemeler Kullanarak Sismik Etkilerin Azaltılması
(Türk deprem araştırma dergisi (Online), 2021)Depremlerin yıkıcı etkilerini azaltmak için yapılan çalışmalar, son zamanlarda üzerinde durulan araştırma konuları arasındadır. Bu çalışmada, kare, üçgen, sinüs ve daire olmak üzere dört farklı saha dizisinde çelik met ... -
Filtering two-element waveguide antenna array based on solely resonators
(Elsevier, 2020)This paper presents a design approach of a filtering antenna arrays based on the coupling matrix theory. The approach generates filtering functionality using the resonating array radiating elements and the resonator based ... -
Fire Detection Behind a Wall by using Microwave Techniques
(American Institute of Physics Inc., 2018)In this work, detection of the fire location behind a wall by using microwave techniques is illustrated. According to Planck's Law, Blackbody emits electromagnetic radiation in the microwave region of the electromagnetic ... -
Fluid, Strain and Rotation Sensing Applications by Using Metamaterial Based Sensor
(Electrochemical Society Inc., 2017)We propose a design of a metamaterial based sensor to be used in various applications including micro-fluid, strain and rotation sensing. The structure has a simple geometry composed of a single circular split ring resonator ... -
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 ... -
Fuzzy Logic Based Sinter RDI Optimization
(Ieee, 2019)The RDI (Reduction Degradation Index) is an important quality criterion of sinter. In this study, a fuzzy logic based model has been developed to obtain the desired RDI value continuously. The expected RDI value for stable ... -
Gain-phase margins-based delay-dependent stability analysis of pitch control system of large wind turbines
(Sage Publications Ltd, 2019)This paper investigates the effect of gain and phase margins (GPMs) on the delay-dependent stability analysis of the pitch control system (PCS) of large wind turbines (LWTs) with time delays. A frequency-domain based exact ... -
Gen ifade profilleri kullanılarak pankreas kanserinin örüntü tanıma yöntemleri ile teşhisi
(Institute of Electrical and Electronics Engineers Inc., 2017)Pancreatic cancer is the fourth most common cause of cancer-related deaths across the globe and it is one of the most difficult cancer types to recognize early. Early diagnosis of pancreatic cancer is crucial to increase ... -
Görme Engelliler için Vücudun Okuma Hassasiyetinin Ölçülmesi
(Avrupa Bilim ve Teknoloji Dergisi, 2020)Bilindiği gibi görme engelliler ve diğer engelli bireylerin sosyal hayata entegrasyonu yönünde birçok çalışma yapılmakta fakat yapılan çalışmaların birçoğu engelli bireylerin hareket, konfor gibi durumlarını sınırlamaktadır. ... -
Görüntü İşleme Yoluyla Otonom Tren-Hayvan Kazası Önleme Sistemi
(Demiryolu Mühendisleri Derneği, 2023)Çalışmada tren yolu ulaşımlarında yol güzergâhı üzerinde bulunan hayvan ölümlerinin önlenmesi üzerine odak sağlanmıştır. Hemzemin geçitlerde bulunan bariyer sistemleri raylı ulaşım araçlarının çarpışma kazalarını önleyici ... -
Grease oil humidity sensor by using metamaterial
(Taylor and Francis, 2020)Interaction between water and lubrication grease oil is not desirable, but it is not inevitable. The operational life of the machine component is influenced by humid grease oil. Metameterial-based transmission line sensor ... -
Ground plane design configuration estimation of 4.9 GHz reconfigurable monopole antenna for desired radiation features using artificial neural network
(Wiley, 2021)This paper presents a system based on artificial neural network (ANN) that predicts ground plane design for desired radiation properties of a monopole antenna with operation band of 4.8 to 5 GHz. The operating frequency ... -
GSM ve ISM Bandı RF Enerji Hasatlama Sistemleri için Tek Katlı Doğrultucu Devre Tasarımı
(Süleyman Demirel Üniversitesi, 2021)Kablosuz haberleşme sistemlerinin yaygınlaşmasıyla ortamlarda pek çok frekansta sinyaller bulunmaktadır. Ortamda bulunan mevcut sinyallerin enerji kaynağı olarak dönüştürülmesini hedefleyen sistemler enerji hasatlama ...
