Başlık için Makale Koleksiyonu listeleme
Toplam kayıt 75, listelenen: 9-28
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Channel estimation based on adaptive neuro-fuzzy inference system in OFDM
(Ieice-Inst Electronics Information Communications Eng, 2008)In this letter we purpose adaptive neuro-fuzzy inference system (ANFIS) for channel estimation in orthogonal frequency division multiplexing (OFDM) systems. To evaluate the performance of this estimator, we compare the ... -
Channel estimation based on neural network in space time block coded MIMO-OFDM system
(Academic Press Inc Elsevier Science, 2013)In this study, we propose feed-forward multilayered perceptron (MLP) neural network trained with the Levenberg-Marquardt algorithm to estimate channel parameters in MIMO-OFDM systems. Bit error rate (BER) and mean square ... -
Control of Pitch Angle of Wind Turbine by Fuzzy Pid Controller
(Taylor & Francis Inc, 2016)This article presents a study on set of PID parameters of blade pitch angle controller of wind turbine with fuzzy logic algorithm. Three individual control methods were used to control the wind turbine pitch angle. These ... -
Cooperative localization in wireless ad hoc and sensor networks using hybrid distance and bearing (angle of arrival) measurements
(Springer, 2011)This article provides the graphical properties which can ensure unique localizability in cooperative networks with hybrid distance and bearing (angle of arrival) measurements. Furthermore, within the networks satisfying ... -
A cost-effective method for ultrasound volumetric imaging
(1996)A synthetic receive aperture technique is explored for cost-effective ultrasound scanners with high frame rates and beam density. The technique provides ultrasound volumetric imaging where beam count is very large with 2-D ... -
A depth perception evaluation metric for immersive user experience towards 3D multimedia services
(Springer, 2019)The interest of users towards three-dimensional (3D) video is gaining momentum due to the recent breakthroughs in 3D video entertainment, education, network, etc. technologies. In order to speed up the advancement of these ... -
Design of a circular piezoelectric transformer with crescent-shaped input electrodes
(Inst Pure Applied Physics, 2003)In this study, a new disk-type piezoelectric transformer design is proposed. The input side of the transformer has a crescent-shaped electrode and the output side has a focused poling direction. The electrodes and poling ... -
Detection of defects in a cantilever beam using modal test data
(2004)Bu çalışmanın amacı çatlaklı kirişlerde hasar yeri ve derinliği hakkında bilgi edinmektir. Bu amaçla kirişte darbe vuruşu sonucu oluşan titreşimler incelenmiştir. Hasarlı ve hasarsız kirişlerden elde edilen sinyal hem zaman ... -
Determination of the cyclic prefix length in MC-CDMA using firefly algorithm
(Pamukkale Univ, 2017)Cyclic prefix is utilized to prevent intermho) interference and inter currier interference M multi currier communication,systems such us multi -carrier code division multiple access that provides high speed data transmission, ... -
Direction problem in leader-follower formations of unmanned aerial vehicles and satellite clusters
(2007)This paper is concerned with information structures used in rigid formations of unmanned aerial vehicles (UAV‘s) and micro-satellite clusters that have leader-follower architecture. The focus of the paper is on sensor/network ... -
Educational Computer Integrated Manufacturing (CIM) Labs in Turkey: A Field Study
(Tempus Publications, 2010)Constantly advancing technology is getting more rapid, integrated and flexible. Today's cutting-edge technology in manufacturing where the entire production process is controlled by computers is specified as a Computer ... -
The Effect of Crack Geometry on the Nondestructive Fault Detection in a Composite Beam
(Int Inst Acoustics & Vibration, 2016)Defects in structures may be inherited from materials and manufacturing or they develop during service. Defects may cause catastrophic failure, which is why their detection and classification are important issues. Many ... -
The effects of random geometric graph structure and clustering on localizability of sensor networks
(Sage Publications Inc, 2017)Graph rigidity provides the conditions of unique localizability for cooperative localization of wireless ad hoc and sensor networks. Specifically, redundant rigidity and 3-connectivity are necessary and sufficient conditions ... -
Effects of Zero Velocity Update on Total Displacement for Indoor Inertial Positioning Systems
(2017)In this paper; the effects of Zero Velocity Update method, which is one of the most important components of indoor inertial positioning systems, on total displacement is studied. For this purpose, acceleration and angular ... -
An Electric Taxi Charging Station Planning Scheme Based on an Improved Destination Choice Method
(Mdpi, 2019)The environmental crisis has prompted the development of electric vehicles as a green and environmentally friendly mode of travel. Since a reasonable layout of electric vehicle (EV) charging stations is the prerequisite ... -
Feature selection in facial expression analysis and its effect on multi-SVM classifiers
(Gazi Univ, Fac Engineering Architecture, 2009)Facial expressions are non-verbal signs that play important role to provide complete meaning in human communication. While humans can easily comprehend the facial expressions, it is not valid for the computers, thus the ... -
Filled fonksiyon kullanarak vana etkili ekonomik yük dağıtımı probleminin çözülmesi
(2017)Bu makalede, ekonomik yük dağıtımı problemine filled fonksiyonu metodu uygulanmıştır. Vana etkisi gibidoğrusal olmayan durumlar içeren ekonomik yük dağıtımı probleminin çözümünde önerilen methodunbaşarısı gösterilmiştir. ... -
Forecasting electricity consumption: A comparison of regression analysis, neural networks and least squares support vector machines
(Elsevier Sci Ltd, 2015)Accurate electricity consumption forecast has primary importance in the energy planning of the developing countries. During the last decade several new techniques are being used for electricity consumption planning to ... -
Formation shape control based on bearing rigidity
(Taylor & Francis Ltd, 2012)Distance measurements are not the only geometric quantities that can be used for multi-agent formation shape control. Bearing measurements can be used in conjunction with distances. This article employs bearing rigidity ... -
A full adaptive observer for DC servo motors
(2003)An adaptive observer estimating all parameters and load torque is proposed for DC servo motors. The observer uses no direct feedback but the adaptation schemes use current and speed measurements. Both the observer and ...