Erişim şekli için "info:eu-repo/semantics/closedAccess" Elektrik Elektronik Mühendisliği Bölümü listeleme
Toplam kayıt 27, listelenen: 1-20
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AC chopper application and benefits of auxiliary windings for PSC motors
(2013)In this work, a novel driver circuit is designed for permanent split capacitor motors (PSC). With this driver circuit, semi-conductive technology is used in place of cumulative winding for this type of motors that are ... -
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 ... -
The analysis of tissue temperature rise caused by linear array transducers with Program Spheresum
(Institute of Electrical and Electronics Engineers Inc., 2016)Diagnostic ultrasounds transmit sound waves into the body, and thus reveal important information about it. Because the transmitted sound waves cause tissue heating, diagnostic ultrasounds can produce adverse biologic effects ... -
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 ... -
Broadband one way propagation via dielectric waveguides with unequal effective index
(Institute of Electrical and Electronics Engineers Inc., 2014)We present an efficient approach for broad band one way propagation of light by parallel and unequal dielectric waveguides leading different effective phase shifts. Three dimensional numerical simulations show that 30% ... -
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 ... -
Design and implementation of real-time monitoring and control system supported with IOS/Android application for industrial furnaces
(John Wiley and Sons Inc., 2018)SCADA (supervisory control and data acquisition) systems have been used widely in the manufacturing process in parallel to the rapid advancement of technology in recent years. The quality of products in these systems depends ... -
The effects of the median filter with different window sizes for ultrasound image
(Institute of Electrical and Electronics Engineers Inc., 2017)Ultrasound is widely used in medical imaging. Unfortunately, speckle noise decreases the quality of the ultrasound image. One of the filters to reduce speckle noise in ultrasound image is the median filter. The median ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
Modified ultrasound despeckling assessment index for the Field II simulated cyst image
(Institution of Engineering and Technology, 2017)Various methods have been proposed to reduce speckle noise, which decreases image quality in ultrasound images. The Field II simulated cyst image consists of three classes and is used to compare a proposed despeckle filter ... -
Monitoring and control of PLC based motion control systems via device-net
(Institute of Electrical and Electronics Engineers Inc., 2014)The control of mechanical systems are generally applied by using electric motors which are useful for the control of velocity, position and torque. On the other hand, servo motors are preferred due to their characteristic ... -
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 ... -
Observation of behavior of the Ahlat Gravestones (TURKEY) at seismic risk and their recognition by QR code
(TECHNO-PRESS, 2019)Protection of cultural heritage and carrying it to the future are at the top of the significant topics of research and implementation in engineering in the 21st century. There are several historical structures in the ... -
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 ... -
Radar darbelerinin kümelenmesi için iki-aşamalı bir ayrıştırma tekniği
(Institute of Electrical and Electronics Engineers Inc., 2017)Darbe ayrıştırma alınan radar darbelerinin hangi kaynağa (vericiye) ait olduğunu belirleyen bir işlemdir. Darbe ayrıştırma teknikleri genel olarak darbelerin geliş zamanlarına göre aralık algoritmaları ve geliş açısı, ...