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Browsing Electrical and Electronic Engineering / Elektrik-Elektronik Mühendisliği by Issue Date

Browsing Electrical and Electronic Engineering / Elektrik-Elektronik Mühendisliği by Issue Date

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  • An all-ZnO microbolometer for infrared imaging 
    Kesim, Yunus Emre; Battal, Enes; Tanrikulu, M. Yusuf; Okyay, Ali K. (INFRARED PHYSICS & TECHNOLOGY / ELSEVIER SCIENCE BV, 2014-11)
    Microbolometers are extensively used for uncooled infrared imaging applications. These imaging units generally employ vanadium oxide or amorphous silicon as the active layer and silicon nitride as the absorber layer. ...
  • Atomic-layer-deposited zinc oxide as tunable uncooled infrared microbolometer material 
    Battal, Enes; Bolat, Sami; Tanrikulu, Mahmud Yusuf; Okyay, Ali Kemal; Akin, Tayfun (PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE / WILEY-V C H VERLAG GMBH, 2014-11)
    ZnO is an attractive material for both electrical and optical applications due to its wide bandgap of 3.37eV and tunable electrical properties. Here, we investigate the application potential of atomic-layer-deposited ZnO ...
  • Survey of Photovoltaic (PV) Technologies, PV Module Characteristics, Connection Forms and Standards 
    Celik, Ozgur; Teke, Ahmet; Yildirim, H. Basak (Çukurova Üniversitesi Mühendislik-Mimarlik Fakültesi Dergisi / Çukurova Üniversitesi, 2015)
    Son yıllarda enerjinin etkin kullanımı, nüfus artışı ve sanayileşme ile birlikte hızla artan enerji talebine bağlı olarak çok önemli hale getirmiştir. Enerji kullanımında artan talebe paralel olarak dünya geneli enerji ...
  • Theoretical analysis of doping management and its effects on power scaling 
    Tandirovic Gursel, Amira; Elahi, Parviz; Ilday, Fatih Omer; Ozyazici, Mustafa Sadettin (TURKISH JOURNAL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCES / TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2016)
    Thermal load and nonlinear effects are two contrary phenomena that make up important drawbacks in rapid progress of high-power fiber lasers. To minimize the thermal load, which limits the average power, doping concentration ...
  • Dağıtım Sistemleri için Çok Fonksiyonlu Statik Senkron Kompanzatör 
    Saribulut, Lutfu; Teke, Ahmet; Latran, Mohammad Barghi (Gazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi = JOURNAL OF THE FACULTY OF ENGINEERING AND ARCHITECTURE OF GAZI UNIVERSITY / Gazi Üniversitesi = GAZI UNIVERSITY, 2016)
    Güç Kalitesi problemleri, elektronik cihazların ve hassas yüklerin zarar görmesine ve verimsiz çalışmalarına neden olmakta, önemli ölçüde ekonomik kayıplara yol açmaktadır. Bu problemlerin giderilmesinde, sistem dinamiklerindeki ...
  • Atomic layer deposition synthesized TiOx thin films and their application as microbolometer active materials 
    Tanrikulu, Mahmud Yusuf; Rasouli, Hamid Reza; Ghaffari, Mohammad; Topalli, Kagan; Okyay, Ali Kemal (JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A / A V S AMER INST PHYSICS, 2016-05)
    This paper demonstrates the possible usage of TiOx thin films synthesized by atomic layer deposition as a microbolometer active material. Thin film electrical resistance is investigated as a function of thermal annealing. ...
  • Speaker Model Clustering to Construct Background Models for Speaker Verification 
    Disken, Gokay; Tufekci, Zekeriya; Cevik, Ulus (ARCHIVES OF ACOUSTICS / POLSKA AKAD NAUK, POLISH ACAD SCIENCES, INST FUNDAMENTAL TECH RES PAS, 2017)
    Conventional speaker recognition systems use the Universal Background Model (UBM) as an imposter for all speakers. In this paper, speaker models are clustered to obtain better imposter model representations for speaker ...
  • LWIR all-atomic layer deposition ZnO bilayer microbolometer for thermal imaging 
    Poyraz, Muhammet; Gorgulu, Kazim; Sisman, Zulkarneyn; Tanrikulu, Mahmud Yusuf; Okyay, Ali Kemal (OPTICAL ENGINEERING / SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS, 2017-03)
    We propose an all-ZnO bilayer microbolometer, operating in the long-wave infrared regime that can be implemented by consecutive atomic layer deposition growth steps. Bilayer design of the bolometer provides very high ...
  • Digitally alloyed ZnO and TiO2 thin film thermistors by atomic layer deposition for uncooled microbolometer applications 
    Tilkioglu, Bilge T.; Bolat, Sami; Tanrikulu, Mahmud Yusuf; Okyay, Ali Kemal (JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A / A V S AMER INST PHYSICS, 2017-03)
    The authors demonstrate the digital alloying of ZnO and TiO2 via atomic layer deposition method to be utilized as the active material of uncooled microbolometers. Depositions are carried out at 200 degrees C. Crystallinity ...
  • A robust polynomial regression-based voice activity detector for speaker verification 
    Disken, Gokay; Tufekci, Zekeriya; Cevik, Ulus (EURASIP JOURNAL ON AUDIO SPEECH AND MUSIC PROCESSING / SPRINGER INTERNATIONAL PUBLISHING AG, 2017-10)
    Robustness against background noise is a major research area for speech-related applications such as speech recognition and speaker recognition. One of the many solutions for this problem is to detect speech-dominant regions ...
  • Analysis of functional brain connections for positive-negative emotions using phase locking value 
    Dasdemir, Yasar; Yildirim, Esen; Yildirim, Serdar (COGNITIVE NEURODYNAMICS / SPRINGER, 2017-12)
    In this study, we investigate the brain networks during positive and negative emotions for different types of stimulus (audio only, video only and audio + video) in , and bands in terms of phase locking value, a nonlinear ...
  • Subject-Dependent and Subject-Independent Classification of Mental Arithmetic and Silent Reading Tasks 
    Arslan, Mustafa Turan; Eraldemir, Server Goksel; Yildirim, Esen (Uluslararası Mühendislik Araştırma ve Geliştirme Dergisi = International Journal of Engineering Research and Development / Kırıkkale Üniversitesi, 2017-12)
    In this study, the electrical activities in the brain were classified during mental mathematical tasks and silent text reading. EEG recordings are collected from 18 healthy male university/college students, ages ranging ...
  • A Real-Time Parallel Image Processing Approach on Regular PCs with Multi-Core CPUs 
    Atasoy, Huseyin; Yildirim, Esen; Yildirim, Serdar; Kutlu, Yakup (ELEKTRONIKA IR ELEKTROTECHNIKA / KAUNAS UNIVERSITY TECHNOLOGY, 2017-12)
    In this paper a parallel image processing and frame rate stabilization approach is proposed. This approach works on a regular PC with a multi-core CPU. It is implemented under. NET Framework and tested on Microsoft Windows ...
  • LOW COST AND LABORATORY SCALE NIR SPECTROSCOPY FOR QUALITY EVALUATION OF FRUITS AND VEGETABLES 
    Kesilmis, Zehan; Vursavus, Kubilay K. (SCIENTIFIC PAPERS-SERIES B-HORTICULTURE / UNIV AGRICULTURAL SCIENCES & VETERINARY MEDICINE BUCHAREST, 2018)
    NIR spectroscopy has proved to be one of the efficient and easy tools to monitor the quality of agricultural products. NIR spectrometers are versatile devices to monitor the ripeness or quality parameters of the fruits. ...
  • Kuru Tip Transformatör Optimizasyonuna Yeni Bir Yaklaşım: Ateş Böceği Algoritması 
    Demirdelen, Tugce (Çukurova Üniversitesi Mühendislik-Mimarlik Fakültesi Dergisi / Çukurova Üniversitesi, 2018)
    Kuru tip transformatörler, ticari ve endüstriyel uygulamalarda oldukça popülerdir. Bu çalışmada Ateş böceği algoritması yöntemi kullanılarak kuru tip transformatörün yeniden tasarlanması yapılırken ağırlığının ve maliyetinin ...
  • Yüksek Verimli Transformatörlerin Yatırım Geri Dönüş Sürelerinin İncelenmesi 
    Dogrukan, Huzeyfe; Teke, Ahmet; Saribulut, Lutfu (Çukurova Üniversitesi Mühendislik-Mimarlik Fakültesi Dergisi / Çukurova Üniversitesi, 2018)
    Elektrik dağıtım şebekesinde kullanılan 15 yaş ve üstü transformatörlerin teknik kayıplarının yüksek olması nedeniyle verimlilikleri düşüktür. Enerji verimliliğinin önemini artırması ve teknolojik gelişmeler sayesinde ...
  • Prediction of Ultimate Tensile Strength of Prestressed Concrete Strand Using Artificial Neural Network Model 
    Cuma, Mehmet Ugras; Ozel, Hayrullah; Koroglu, Tahsin (Çukurova Üniversitesi Mühendislik-Mimarlik Fakültesi Dergisi / Çukurova Üniversitesi, 2018)
    The iron and steel industry is one of the essential sector for the industrial and economic development of a country. The most common problem in iron and steel industry is to determine the ultimate tensile strength of the ...
  • DSP controlled voltage disturbance generator 
    Savrun, Murat Mustafa; Tan, Adnan; Koroglu, Tahsin; Cuma, Mehmet Ugras; Bayindir, Kamil Cagatay; Tumay, Mehmet (JOURNAL OF ELECTRICAL SYSTEMS / ENGINEERING & SCIENTIFIC RESEARCH GROUPS, 2018-03)
    Voltage disturbance generator (VDG) is a kind of device used to generate voltage disturbances that may occur in the network in order to test and evaluate the performance of the power quality devices such as Dynamic Voltage ...
  • Polar Codes with Higher-Order Memory 
    Afser, Huseyin; Delic, Hakan (PROBLEMS OF INFORMATION TRANSMISSION / MAIK NAUKA/INTERPERIODICA/SPRINGER, 2018-10)
    We introduce a construction of a set of code sequences {C-n((m)) : n 1, m 1} with memory order m and code length N(n). {C-n((m))} is a generalization of polar codes presented by Arkan in [1], where the encoder mapping with ...
  • Doğrusal Yükleri Besleyen Şebeke Bağlantılı PV/Akü Sisteminin Tasarımı ve Tam/Kısmi Gölgelenme Durumlarında Performans Analizi 
    Aygul, Kemal; Demirdelen, Tugce; Tumay, Mehmet (Çukurova Üniversitesi Mühendislik-Mimarlik Fakültesi Dergisi / Çukurova Üniversitesi, 2019)
    Yenilenebilir enerji kaynaklarının kullanımı son yıllarda hızla artmaktadır. Bu durum sonucunda PV paneller ile günlük hayatta birçok uygulamada karşılaşılmaktadır. PV sistemlerin performansı çevre ve hava durumu gibi ...

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