Browsing Elektrik Elektronik Mühendisliği Bölümü Yayın Koleksiyonu by Issue Date
Now showing items 1-20 of 149
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LYAPUNOV THEORY BASED ADAPTIVE LEARNING ALGORITHM FOR MULTILAYER NEURAL NETWORKS
(Acad Sciences Czech Republic, Inst Computer Science, 2014)This paper presents a novel weight updating algorithm for training of multilayer neural network (MLNN). The MLNN system is first linearized and then the design procedure is proposed as an inequality constraint optimization ... -
Mixture Linear Prediction in Speaker Verification Under Vocal Effort Mismatch
(Ieee-Inst Electrical Electronics Engineers Inc, 2014)This paper describes an approach to robust signal analysis using iterative parameter re-estimation of a mixture autoregressive (AR) model. The model's focus can be adjusted by initialization of the target and non-target ... -
Source cell-phone recognition from recorded speech using non-speech segments
(Academic Press Inc Elsevier Science, 2014)In a recent study, we have introduced the problem of identifying cell-phones using recorded speech and shown that speech signals convey information about the source device, making it possible to identify the source with ... -
Classifiers for Synthetic Speech Detection: A Comparison
(Isca-Int Speech Communication Assoc, 2015)Automatic speaker verification (ASV) systems are highly vulnerable against spoofing attacks, also known as imposture. With recent developments in speech synthesis and voice conversion technology, it has become important ... -
Building Parameter Analysis with S-UTD-CH model in Multiple Diffraction
(Ieee, 2015)Electromagnetic wave propagation models are used in radio planning tool and coverage prediction. These models are based on ray tracing technique or numerical. Slope UTD with convex hull model is a model which has less ... -
Application of of Ray Tracing Technique into S-UTD-CH Model
(Ieee, 2015)To make higher accuracy predictions having less computation complexity, lower computation time, a lot of electromagnetic wave propagation models are developed. These models are classified into two classes, ray tracing based ... -
A Complex-Valued Adaptive Filter Algorithm for System Identification Problem
(Ieee, 2015)In this study, a complex-valued adaptive filter algorithm based on Lyapunov stability theory is presented to solve a system identification problem in the complex domain. The performance of the proposed complex-valued ... -
A New Approach to Channel Equalization Problem
(Ieee, 2015)In this study, a new approach based on Lyapunov stability theory (LST) is proposed for channel equalization problem. For the first time, the convergence capability of the proposed algorithm is presented on the channel ... -
A novel adaptive filter design using Lyapunov stability theory
(Tubitak Scientific & Technical Research Council Turkey, 2015)This paper presents a new approach to design an adaptive filter using Lyapunov stability theory. The design procedure is formulated as an inequality constrained optimization problem. Lagrange multiplier theory is used as ... -
Automatic Removal of Ocular Artefacts In EEG Signal by Using Independent Component Analysis and Chauvenet Criterion
(Ieee, 2015)Eye movements (saccade, blink and cause artefacts in Electroencephalogram recordings. The ocular artefact can distort the EEG signals. Removal of ocular artefact is important issue in EEG signal analysis. The main task of ... -
A low-cost power management system design for residential hydrogen & solar energy based power plants
(Pergamon-Elsevier Science Ltd, 2016)This study focuses on developing a low-cost power management system for residential solar hydrogen power plants. The proposed power management system is designed as a hybrid control system consisting of a microcontroller ... -
S-UTD-CH model in multiple diffractions
(Taylor & Francis Ltd, 2016)The propagation of electromagnetic waves in empty space is an extremely simplified case. Thus, the significant question is how an electromagnetic wave propagates in an environment with obstacles such as buildings, trees ... -
Medium Access Control Protocols for Wireless Sensor Networks with Ambient Energy
(Ieee, 2016)Wireless sensor networks (WSNs) have recently been a popular research area with a broad range of applications. One of the most significant constraints of WSNs is energy limitation of sensor nodes. Therefore, energy-efficiency ... -
Comparison of Ray Traced Based Models with Physical Optic Model
(Ieee, 2016)Electromagnetic wave propagation in free space is an excessively simplified situation. Hence, the vital question is how an electromagnetic wave propagates in ambient including obstructions like mountains, trees, hills or ... -
Complex-Valued Least Mean Kurtosis Adaptive Filter Algorithm
(Ieee, 2016)In this study, a complex-valued least mean Kurtosis (CLMK) adaptive filter algorithm is designed for processing complex-valued signals. The performance of the designed algorithm is tested on a complex-valued system ... -
A Study to Reduce the Number of Base Station
(Ieee, 2016)Today one of the most discussed issues is whether base stations are harmful to human health or not. As base station number is less, in order to reach all subscriber more powerful electromagnetic field is sent. At the same ... -
Amplitude and Slope Diffraction Coefficients for S-UTD-CH Model
(Ieee, 2016)Diffraction mechanism is vital to predict the field strength and calculate the coverage in urban, rural and indoor. Diffraction occurs on the sharp surfaces like rooftop, edge, corner, and vertex. S-UTD-CH model computes ... -
EKDZ modelinin farklı bina dağılımları içeren senaryolara uygulanarak eğim kırınımı etkisinin araştırılması
(2016)Bu çalışmada, karasal radyo yayıncılığında kullanılan bazı yayılım modelleri kısaca anlatılacak, daha sonra EKDZ ve UKT yayılım modelleri kullanılarak benzetimler yapılacaktır. Bu benzetimler için kullanılacak senaryolar ... -
Real-Time Implementation of Lyapunov Stability Theory-Based Adaptive Filter on FPGA
(Ieice-Inst Electronics Information Communications Eng, 2016)The Lyapunov stability theory-based adaptive filter (LST-AF) is a robust filtering algorithm which the tracking error quickly converges to zero asymptotically. Recently, the software module of the LST-AF algorithm is ... -
Spoofing detection goes noisy: An analysis of synthetic speech detection in the presence of additive noise
(Elsevier, 2016)Automatic speaker verification (ASV) technology is recently finding its way to end-user applications for secure access to personal data, smart services or physical facilities. Similar to other bioinatric technologies, ...
