Güncel Gönderiler: Elektrik Elektronik Mühendisliği Bölümü
Toplam kayıt 40, listelenen: 21-40
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Large bandwidth mode order converter by differential waveguides
(Optical Society of American (OSA), 2015)In this article, we propose a large bandwidth mode-order converter design by dielectric waveguides with equal lengths but different cross-sectional areas. The efficient conversion between even and odd modes is verified by ... -
Improvements on deinterleaving of radar pulses in dynamically varying signal environments
(Elsevier Inc., 2017)An electronic support system receiver which is a passive receiver picks up an interleaved stream of pulses and extracts their pulse parameters. These parameters are sent to a deinterleaving subsystem which sorts them and ... -
Broadband LWIR and MWIR metamaterial absorbers with a simple design topology: Almost perfect absorption and super-octave band operation in MWIR band
(OSA - The Optical Society, 2017)Infrared absorbers are essential structures in the design of thermal emitters and thermal infrared imagers. In this study, we propose simple topologies of wideband metamaterial absorbers operating in the long-wave infrared ... -
Efficient and broadband guided wave one-way mode-order conversion with theoretical and numerical analysis
(Optical Society of American (OSA), 2013)In this article, an efficient method of asymmetric conversion of guided modes is investigated. From a basic excitation consisting of (mainly) the lowest-order mode of the input multimode strip waveguide, we achieve a ... -
Ultra-broadband long-wavelength infrared metamaterial absorber based on a double-layer metasurface structure
(OSA - The Optical Society, 2017)In this paper, we report a metamaterial absorber design that achieves a broad absorption band encompassing the whole long-wavelength infrared (LWIR) region. The structure consists of two parallel metasurfaces buried in an ... -
Application of iOS/Android based assessment and monitoring system for building inventory under seismic impact
(Union of Croatian Civil Engineers and Technicians, 2018)The possibility of creating an "ID card" for each new and existing building in urban areas, based on transfer of necessary data into electronic format, is analysed in the paper. Local governments, public institutions, ... -
Precision irrigation system (PIS) using sensor network technology integrated with IOS/Android application
(MDPI AG, 2017)One of the most important factors for successful agricultural production is the irrigation system in place. In this study, a precision irrigation system, which takes advantage of the various phases of plant growth, was ... -
Design and development of an adaptable, lan-based training module for object lessons
(2009)A training module, which is intended for object lessons of especially technical students has been developed through this work. The training module runs in the physical LAN environment that consists of a server and workstations ... -
Design and application of the technical training set for plc- based power supply unit developed for industrial applications
(2009)Design and control of a prototype training set, which especially the students studying in institutions offering education at undergraduate and associate levels can employ as a PLC (Programmable Logic Controller)-controlled ... -
Design and implementation of a training set for distributed system and mechatronic applications: project based learning
(Strojarski Facultet, 2016)Nowadays, with the development of information technology, real-time and reliable devices have been developed for users and system control. Commonly used ones are programmable logic controller and operator panels. Programming ... -
Design and implementation of real time monitoring and control system for distributed robotic systems supported with IOS/android application
(Strojarski Facultet, 2018)In this study, a real time monitoring and control of the working parameters of distributed robotic systems used in manufacturing processes is presented. Additionally, a fault diagnosis and protection system is developed ... -
Üç ayrık ölçüme dayalı parabol algoritması ile termoelektrik modülün Imax, Vmax ve Emax parametrelerinin belirlenmesi
(Gazi University, 2016)Termoelektrik (TE) modüllerin performansının belirlenmesi amacıyla çeşitli metotlar geliştirilmiştir. Bunlardan biri de Ahıska vd. tarafından geliştirilen sıcaklık, akım ve gerilim gibi kolaylıkla ölçülebilir parametreleri ... -
The homogeneity map method for speckle reduction in diagnostic ultrasound images
(Elsevier B.V., 2015)This paper proposes a new method to reduce speckle noise in diagnostic ultrasound images by improving the speckle reduction capacity of an edge-sensitive filter. A homogeneity map is generated according to the local ... -
Microcontroller-based test system for determining the P-N type and Seebeck coefficient of the thermoelectric semiconductors
(Elsevier B.V., 2019)In this study, a microcontroller-based test system is designed and realized to determine the Seebeck coefficient (alpha) and electrical conductivity type of thermoelectric (TE) semiconductors. The test system uses Hot-Probe ... -
A new method and computer-controlled system for measuring the time constant of real thermoelectric modules
(2012)Thermoelectric and dynamic parameters of thermoelectric (TE) modules such as time constant are of crucial importance in production and utilization of these modules. Many techniques, apparatuses and software have been ... -
Computer controlled test system for measuring the parameters of the real thermoelectric module
(Elsevier Ltd, 2011)Different methods have been developed for measuring the performances of thermoelectric (TE) modules. However, the foundation of these methods accepts the parameters of semiconductors as constant and foresees temperature ... -
Polymer-graphene hybrid stabilized ruthenium nanocatalysts for the dimethylamine-borane dehydrogenation at ambient conditions
(Elsevier B.V., 2019)In this work, we reported a new catalyst consistent of graphene oxide (GO) – poly(N-vinyl-2-pyrrolidone) (PVP) hybrid supported ruthenium nanoparticles and called as Ru@GO-PVP. The GO-coupled PVP nanosheets were prepared ... -
Wideband long wave infrared metamaterial absorbers based on silicon nitride
(American Institute of Physics Inc., 2016)In this paper, we present silicon nitride metamaterial absorber designs that accomplish large bandwidth and high absorption in the long wave infrared (LWIR) region. These designs are based on the metal-insulator-metal ... -
Analysis of analytical capacity for Fisher-Snedecor F fading channels with different transmission schemes
(Institution of Engineering and Technology, 2019)This Letter presents capacity analysis of Fisher-Snedecor F fading channels under different transmission strategies. To this end, novel analytical expressions are proposed for optimal rate adaptation with constant transmit ... -
A new approach to automation of black tea fermentation process with electronic nose
(KoREMA, 2018)Manufacturing of black tea is a complex process consisting of plucking, withering, curling, fermenting, drying, determining of quality, and packaging stages. Nowadays, tea quality is determined by two methods. Either ...
