Journal Articles
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Ahmed, A; Savaci, FA Sign of slant receiver for skewed alpha-stable noise shift keying-based random communication system Journal Article World Journal of Engineering, 2024. BibTeX @article{pop00001b,
title = {Sign of slant receiver for skewed alpha-stable noise shift keying-based random communication system},
author = {A Ahmed and FA Savaci},
year = {2024},
date = {2024-01-01},
journal = {World Journal of Engineering},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Savacı, FA; Tamcı, E Forecasting Turkey Electricity Prices by Alpha-StablePeriodic AutoRegressive Time Series Journal Article 2023 14th International Conference on Electrical and Electronics Engineering …, 2023. BibTeX @article{pop00002b,
title = {Forecasting Turkey Electricity Prices by Alpha-StablePeriodic AutoRegressive Time Series},
author = {FA Savacı and E Tamcı},
year = {2023},
date = {2023-01-01},
journal = {2023 14th International Conference on Electrical and Electronics Engineering …},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Ahmed, A; Savaci, FA Covert Electromagnetic Nanoscale Communication System in the Terahertz Channel Journal Article Journal of Circuits, Systems and Computers, 29 (8), pp. 2050126–2050126, 2020. BibTeX @article{pop00001hb,
title = {Covert Electromagnetic Nanoscale Communication System in the Terahertz Channel},
author = {A Ahmed and FA Savaci},
year = {2020},
date = {2020-01-01},
journal = {Journal of Circuits, Systems and Computers},
volume = {29},
number = {8},
pages = {2050126--2050126},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Savacı, FA; Yılmaz, S Controlling the Rotor Angle Stability of Single Machine Infinite Bus System in the Presence of Wiener and Alpha-Stable Levy Type Power Fluctuations Journal Article Fluctuation and Noise Letters, 19 (4), pp. 2050036–2050036, 2020. BibTeX @article{pop00002db,
title = {Controlling the Rotor Angle Stability of Single Machine Infinite Bus System in the Presence of Wiener and Alpha-Stable Levy Type Power Fluctuations},
author = {FA Savacı and S Yılmaz},
year = {2020},
date = {2020-01-01},
journal = {Fluctuation and Noise Letters},
volume = {19},
number = {4},
pages = {2050036--2050036},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Savaci, FA; Ahmed, A Inverse system approach to design alpha‐stable noise driven random communication system Journal Article IET Communications, 14 (6), pp. 910–913, 2020. BibTeX @article{pop00003i,
title = {Inverse system approach to design alpha‐stable noise driven random communication system},
author = {FA Savaci and A Ahmed},
year = {2020},
date = {2020-01-01},
journal = {IET Communications},
volume = {14},
number = {6},
pages = {910--913},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Ahmed, A; Savacı, F Blind Recognition of alpha-stable random carrier signals by an eavesdropper in Random Communication Systems Journal Article IET Communications, 2019. BibTeX @article{pop00043,
title = {Blind Recognition of alpha-stable random carrier signals by an eavesdropper in Random Communication Systems},
author = {A Ahmed and F Savacı},
year = {2019},
date = {2019-01-01},
journal = {IET Communications},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Ahmed, A; Savaci, FA Structure and performance evaluation of fractional lower-order covariance method in alpha-stable noise environments Journal Article Recent Advances in Electrical & Electronic Engineering (Formerly Recent …, 2019. BibTeX @article{pop00004g,
title = {Structure and performance evaluation of fractional lower-order covariance method in alpha-stable noise environments},
author = {A Ahmed and FA Savaci},
year = {2019},
date = {2019-01-01},
journal = {Recent Advances in Electrical & Electronic Engineering (Formerly Recent …},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Ahmed, A; Savaci, FA Blind recognition of alpha-stable random carrier signals by an eavesdropper in random communication systems Journal Article IET Communications, 13 (16), pp. 2420–2427, 2019. BibTeX @article{pop00005i,
title = {Blind recognition of alpha-stable random carrier signals by an eavesdropper in random communication systems},
author = {A Ahmed and FA Savaci},
year = {2019},
date = {2019-01-01},
journal = {IET Communications},
volume = {13},
number = {16},
pages = {2420--2427},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Ahmed, A; Savaci, FA; Wahdan, M; Othman, H Role of fractional powers in manuevering the fractional lower-order auto-covariance of symmetric alpha-stable noise signals Journal Article 2019 Scientific Meeting on Electrical-Electronics & Biomedical Engineering …, 2019. BibTeX @article{pop00006i,
title = {Role of fractional powers in manuevering the fractional lower-order auto-covariance of symmetric alpha-stable noise signals},
author = {A Ahmed and FA Savaci and M Wahdan and H Othman},
year = {2019},
date = {2019-01-01},
journal = {2019 Scientific Meeting on Electrical-Electronics & Biomedical Engineering …},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Ahmed, Areeb; Savaci, Ferit Acar Structure and Performance Evaluation of Fractional Lower-Order Covariance Method in Alpha-Stable Noise Environments Journal Article Recent Advances in Electrical & Electronic Engineering (Formerly Recent Patents on Electrical & Electronic Engineering), 2018, ISSN: 23520965. Links | BibTeX @article{Ahmed2018a,
title = {Structure and Performance Evaluation of Fractional Lower-Order Covariance Method in Alpha-Stable Noise Environments},
author = {Areeb Ahmed and Ferit Acar Savaci},
doi = {10.2174/2352096511666180419143436},
issn = {23520965},
year = {2018},
date = {2018-01-01},
journal = {Recent Advances in Electrical & Electronic Engineering (Formerly Recent Patents on Electrical & Electronic Engineering)},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Yilmaz, S; Cek, ME; Savaci, FA Stochastic bifurcation in generalized Chua’s circuit driven by skew-normal distributed noise Journal Article Fluctuation and Noise Letters, 17 (4), pp. 1830002–1830002, 2018. BibTeX @article{pop00033b,
title = {Stochastic bifurcation in generalized Chua’s circuit driven by skew-normal distributed noise},
author = {S Yilmaz and ME Cek and FA Savaci},
year = {2018},
date = {2018-01-01},
journal = {Fluctuation and Noise Letters},
volume = {17},
number = {4},
pages = {1830002--1830002},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Ahmed, A; Savaci, FA Random communication system based on skewed alpha-stable levy noise shift keying Journal Article Fluctuation and Noise Letters, 16 (3), pp. 1750024–1750024, 2017. BibTeX @article{pop00012b,
title = {Random communication system based on skewed alpha-stable levy noise shift keying},
author = {A Ahmed and FA Savaci},
year = {2017},
date = {2017-01-01},
journal = {Fluctuation and Noise Letters},
volume = {16},
number = {3},
pages = {1750024--1750024},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Ahmed, A; Savaci, FA Measure of Covertness based on the imperfect synchronization of an eavesdropper in Random Communication Systems Journal Article 2017 10th International Conference on Electrical and Electronics Engineering …, 2017. BibTeX @article{pop00015c,
title = {Measure of Covertness based on the imperfect synchronization of an eavesdropper in Random Communication Systems},
author = {A Ahmed and FA Savaci},
year = {2017},
date = {2017-01-01},
journal = {2017 10th International Conference on Electrical and Electronics Engineering …},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Ahmed, Areeb; Savaci, Ferit Acar Synchronisation of alpha-stable levy noise-based Random Communication System Journal Article IET Communications, 2017, ISSN: 1751-8628. Links | BibTeX @article{Ahmed2017,
title = {Synchronisation of alpha-stable levy noise-based Random Communication System},
author = {Areeb Ahmed and Ferit Acar Savaci},
doi = {10.1049/iet-com.2017.0925},
issn = {1751-8628},
year = {2017},
date = {2017-01-01},
journal = {IET Communications},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Yılmaz, S; Savacı, FA Effect of levy type load fluctuations on the stability of single machine infinite bus power systems Journal Article 2017 European Conference on Circuit Theory and Design (ECCTD), pp. 1–4, 2017. BibTeX @article{pop00022b,
title = {Effect of levy type load fluctuations on the stability of single machine infinite bus power systems},
author = {S Yılmaz and FA Savacı},
year = {2017},
date = {2017-01-01},
journal = {2017 European Conference on Circuit Theory and Design (ECCTD)},
pages = {1--4},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Savaci, Acar F; Göknar, Cem I Use of Matrix Pencils for Parameter Identification in Analog Circuits Journal Article IFAC Proceedings Volumes, 2017, ISSN: 14746670. Links | BibTeX @article{Savaci2017b,
title = {Use of Matrix Pencils for Parameter Identification in Analog Circuits},
author = {Acar F Savaci and Cem I Göknar},
doi = {10.1016/s1474-6670(17)49790-4},
issn = {14746670},
year = {2017},
date = {2017-01-01},
journal = {IFAC Proceedings Volumes},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Savaci, Acar F; Yilmaz, Serpil Bayesian Stable Mixture Model of State Densities of Generalized Chua's Circuit Journal Article International Journal of Bifurcation and Chaos, 2015, ISSN: 0218-1274. Links | BibTeX @article{Savaci2015,
title = {Bayesian Stable Mixture Model of State Densities of Generalized Chua's Circuit},
author = {Acar F Savaci and Serpil Yilmaz},
doi = {10.1142/s0218127415500388},
issn = {0218-1274},
year = {2015},
date = {2015-01-01},
journal = {International Journal of Bifurcation and Chaos},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Savaci, FA; Göknar, IC Electrical and Electronics Engineering Faculty Istanbul Technical University Journal Article System Structure and Control, 1992 , pp. 352–352, 2014. BibTeX @article{pop00046b,
title = {Electrical and Electronics Engineering Faculty Istanbul Technical University},
author = {FA Savaci and IC Göknar},
year = {2014},
date = {2014-01-01},
journal = {System Structure and Control},
volume = {1992},
pages = {352--352},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Özbek, Erdal M; Özkurt, Nalan; Savacı, Acar F Wavelet ridges for musical instrument classification Journal Article Journal of Intelligent Information Systems, 2012, ISSN: 15737675. Abstract | Links | BibTeX @article{Ozbek2012d,
title = {Wavelet ridges for musical instrument classification},
author = {Erdal M Özbek and Nalan Özkurt and Acar F Savacı},
doi = {10.1007/s10844-011-0152-9},
issn = {15737675},
year = {2012},
date = {2012-01-01},
journal = {Journal of Intelligent Information Systems},
abstract = {The time-varying frequency structure of musical signals have been an- alyzed using wavelets by either extracting the instantaneous frequency of signals or building features from the energies of sub-band coefficients. We propose to benefit from a combination of these two approaches and use the time-frequency domain energy localization curves, called as wavelet ridges, in order to build features for classification of musical instrument sounds. We evaluated the representative capability of our feature in different musical instrument classification problems using support vector machine classifiers. The comparison with the features based on parameterizing the wavelet sub-band energies confirmed the effectiveness of the proposed feature.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
The time-varying frequency structure of musical signals have been an- alyzed using wavelets by either extracting the instantaneous frequency of signals or building features from the energies of sub-band coefficients. We propose to benefit from a combination of these two approaches and use the time-frequency domain energy localization curves, called as wavelet ridges, in order to build features for classification of musical instrument sounds. We evaluated the representative capability of our feature in different musical instrument classification problems using support vector machine classifiers. The comparison with the features based on parameterizing the wavelet sub-band energies confirmed the effectiveness of the proposed feature. |
Erdalözbek, Mehmet; Emrecek, Mehmet; Savaci, Ferit Acar Skewed alpha-stable distributions for modeling and classification of musical instruments Journal Article Turkish Journal of Electrical Engineering and Computer Sciences, 2012, ISSN: 13000632. Links | BibTeX @article{Erdalozbek2012,
title = {Skewed alpha-stable distributions for modeling and classification of musical instruments},
author = {Mehmet Erdalözbek and Mehmet Emrecek and Ferit Acar Savaci},
doi = {10.3906/elk-1102-1031},
issn = {13000632},
year = {2012},
date = {2012-01-01},
journal = {Turkish Journal of Electrical Engineering and Computer Sciences},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Savaci, FA; Güngör, M Estimating probability density functions and entropies of chua's circuit using b-spline functions Journal Article International Journal of Bifurcation and Chaos, 22 (5), pp. 1250107–1250107, 2012. BibTeX @article{pop00035cb,
title = {Estimating probability density functions and entropies of chua's circuit using b-spline functions},
author = {FA Savaci and M Güngör},
year = {2012},
date = {2012-01-01},
journal = {International Journal of Bifurcation and Chaos},
volume = {22},
number = {5},
pages = {1250107--1250107},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Özbek, Erdal M; Savaci, Acar F Correntropy function for fundamental frequency determination of musical instrument samples Journal Article Expert Systems with Applications, 2011, ISSN: 09574174. Abstract | Links | BibTeX @article{Ozbek2011bb,
title = {Correntropy function for fundamental frequency determination of musical instrument samples},
author = {Erdal M Özbek and Acar F Savaci},
doi = {10.1016/j.eswa.2011.02.015},
issn = {09574174},
year = {2011},
date = {2011-01-01},
journal = {Expert Systems with Applications},
abstract = {Fundamental frequency or pitch determination is one of the main issues in the transcription of music. In this paper, we determined the fundamental frequencies of isolated musical instrument samples by computing the correntropy functions. As the correntropy function depends on kernel methods, we demonstrated its performance using various kernel sizes. We presented the better resolution of the correntropy function than the conventional and the summary autocorrelation functions by calculating the full-width-at-half-maximum of the peaks of the functions. The superiority was confirmed for the samples of 20 different instruments based on the average width of the peaks. textcopyright 2011 Published by Elsevier Ltd.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Fundamental frequency or pitch determination is one of the main issues in the transcription of music. In this paper, we determined the fundamental frequencies of isolated musical instrument samples by computing the correntropy functions. As the correntropy function depends on kernel methods, we demonstrated its performance using various kernel sizes. We presented the better resolution of the correntropy function than the conventional and the summary autocorrelation functions by calculating the full-width-at-half-maximum of the peaks of the functions. The superiority was confirmed for the samples of 20 different instruments based on the average width of the peaks. textcopyright 2011 Published by Elsevier Ltd. |
Cek, Emre M; Ozgoren, Murat; Savaci, Acar F Continuous time wavelet entropy of auditory evoked potentials Journal Article Computers in Biology and Medicine, 2010, ISSN: 00104825. Abstract | Links | BibTeX @article{EmreCek2010,
title = {Continuous time wavelet entropy of auditory evoked potentials},
author = {Emre M Cek and Murat Ozgoren and Acar F Savaci},
doi = {10.1016/j.compbiomed.2009.11.005},
issn = {00104825},
year = {2010},
date = {2010-01-01},
journal = {Computers in Biology and Medicine},
abstract = {In this paper, the continuous time wavelet entropy (CTWE) of auditory evoked potentials (AEP) has been characterized by evaluating the relative wavelet energies (RWE) in specified EEG frequency bands. Thus, the rapid variations of CTWE due to the auditory stimulation could be detected in post-stimulus time interval. This approach removes the probability of missing the information hidden in short time intervals. The discrete time and continuous time wavelet based wavelet entropy variations were compared on non-target and target AEP data. It was observed that CTWE can also be an alternative method to analyze entropy as a function of time. textcopyright 2009 Elsevier Ltd. All rights reserved.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
In this paper, the continuous time wavelet entropy (CTWE) of auditory evoked potentials (AEP) has been characterized by evaluating the relative wavelet energies (RWE) in specified EEG frequency bands. Thus, the rapid variations of CTWE due to the auditory stimulation could be detected in post-stimulus time interval. This approach removes the probability of missing the information hidden in short time intervals. The discrete time and continuous time wavelet based wavelet entropy variations were compared on non-target and target AEP data. It was observed that CTWE can also be an alternative method to analyze entropy as a function of time. textcopyright 2009 Elsevier Ltd. All rights reserved. |
Çek, ME; Savaci, FA Stable non-Gaussian noise parameter modulation in digital communication Journal Article Electronics Letters, 45 (24), pp. 1256–1257, 2009. BibTeX @article{pop00004kb,
title = {Stable non-Gaussian noise parameter modulation in digital communication},
author = {ME Çek and FA Savaci},
year = {2009},
date = {2009-01-01},
journal = {Electronics Letters},
volume = {45},
number = {24},
pages = {1256--1257},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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F, ON Savaci Acar "The System Modelling and Circuit Implementation from Time-Frequency Domain Signal Specifications" Journal Article AEU International Journal of Electronics and Communications, 62 (8), pp. 565–575, 2008. BibTeX @article{pop00019bb,
title = {"The System Modelling and Circuit Implementation from Time-Frequency Domain Signal Specifications"},
author = {ON Savaci Acar F},
year = {2008},
date = {2008-01-01},
journal = {AEU International Journal of Electronics and Communications},
volume = {62},
number = {8},
pages = {565--575},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Ozbek, ME; Savaci, FA Music instrument classification using generalized Gaussian density modeling Journal Article 2007 IEEE 15th Signal Processing and Communications Applications, pp. 1–4, 2007. BibTeX @article{pop00023bb,
title = {Music instrument classification using generalized Gaussian density modeling},
author = {ME Ozbek and FA Savaci},
year = {2007},
date = {2007-01-01},
journal = {2007 IEEE 15th Signal Processing and Communications Applications},
pages = {1--4},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Ozkurt, N; Savaci, FA Extraction of signal component using wavelet ridges Journal Article 2007 IEEE 15th Signal Processing and Communications Applications, pp. 1–4, 2007. BibTeX @article{pop00039bb,
title = {Extraction of signal component using wavelet ridges},
author = {N Ozkurt and FA Savaci},
year = {2007},
date = {2007-01-01},
journal = {2007 IEEE 15th Signal Processing and Communications Applications},
pages = {1--4},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Savaci, FA; Günel, S Harmonic balance analysis of the generalized chua's circuit Journal Article International Journal of Bifurcation and Chaos, 16 (8), pp. 2325–2332, 2006. BibTeX @article{pop00005m,
title = {Harmonic balance analysis of the generalized chua's circuit},
author = {FA Savaci and S Günel},
year = {2006},
date = {2006-01-01},
journal = {International Journal of Bifurcation and Chaos},
volume = {16},
number = {8},
pages = {2325--2332},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Özkurt, N; Savaci, FA Reconstruction of nonstationary signals along the wavelet ridges Journal Article International Journal of Bifurcation and Chaos, 16 (1), pp. 191–198, 2006. BibTeX @article{pop00008bb,
title = {Reconstruction of nonstationary signals along the wavelet ridges},
author = {N Özkurt and FA Savaci},
year = {2006},
date = {2006-01-01},
journal = {International Journal of Bifurcation and Chaos},
volume = {16},
number = {1},
pages = {191--198},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Özkurt, Nalan; Savaci, Acar F The implementation of nonlinear dynamical systems with wavelet network Journal Article AEU - International Journal of Electronics and Communications, 2006, ISSN: 16180399. Abstract | Links | BibTeX @article{Ozkurt2006,
title = {The implementation of nonlinear dynamical systems with wavelet network},
author = {Nalan Özkurt and Acar F Savaci},
doi = {10.1016/j.aeue.2005.05.006},
issn = {16180399},
year = {2006},
date = {2006-01-01},
journal = {AEU - International Journal of Electronics and Communications},
abstract = {A dynamic wavelet network circuit implementation for modelling the nonlinear dynamical networks has been proposed in this study. The dynamical wavelet network includes static wavelet network with Mexican hat wavelet function, the voltage-controlled switches and capacitors. The circuit simulations have been done in Spice for the period-1 limit cycle, the spiral and double scroll attractors of the Chua's circuit. textcopyright 2005 Elsevier GmbH. All rights reserved.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
A dynamic wavelet network circuit implementation for modelling the nonlinear dynamical networks has been proposed in this study. The dynamical wavelet network includes static wavelet network with Mexican hat wavelet function, the voltage-controlled switches and capacitors. The circuit simulations have been done in Spice for the period-1 limit cycle, the spiral and double scroll attractors of the Chua's circuit. textcopyright 2005 Elsevier GmbH. All rights reserved. |
Günel, Serkan; Savaci, Acar F Determination of the stationary state densities of the stochastic nonlinear dynamical systems Journal Article International Journal of Engineering Science, 2006, ISSN: 00207225. Abstract | Links | BibTeX @article{Gunel2006,
title = {Determination of the stationary state densities of the stochastic nonlinear dynamical systems},
author = {Serkan Günel and Acar F Savaci},
doi = {10.1016/j.ijengsci.2006.06.012},
issn = {00207225},
year = {2006},
date = {2006-01-01},
journal = {International Journal of Engineering Science},
abstract = {The stationary state probability densities appear not only in the study of dynamical systems with random vector fields, but also in the deterministic dynamical systems exhibiting chaotic behavior when the uncertainties in the initial conditions are represented with the probability densities. But since it is very hard problem to determine these densities, in this paper the new efficient method to obtain an approximate solution of Fokker-Planck-Kolmogorov equation which arises in the determination of the stationary state probability densities has been given by representing the densities with compactly supported functions. With specific choice of the compactly supported functions as piecewise multivariable polynomials which are supported on the ellipsoidal regions, the parameters to be calculated for determining the densities can be considerably decreased compared to Multi-Gaussian Closure scheme, in which the stationary densities are assumed to be the weighted average of the Gaussian densities. The main motivation to choose the compactly supported functions is that, in the chaotic dynamics the states are trapped in a specific compact subspace of the state space. The stationary state densities of two basic examples commonly considered in the literature have been estimated using the Parzen's estimator, and the densities obtained using the newly proposed method have been compared with these estimated densities and the densities obtained with the Multi-Gaussian Closure scheme. The results indicate that the presented compactly supported piecewise polynomial scheme can be successful compared to Multi-Gaussian scheme, when the system is highly nonlinear. textcopyright 2006 Elsevier Ltd. All rights reserved.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
The stationary state probability densities appear not only in the study of dynamical systems with random vector fields, but also in the deterministic dynamical systems exhibiting chaotic behavior when the uncertainties in the initial conditions are represented with the probability densities. But since it is very hard problem to determine these densities, in this paper the new efficient method to obtain an approximate solution of Fokker-Planck-Kolmogorov equation which arises in the determination of the stationary state probability densities has been given by representing the densities with compactly supported functions. With specific choice of the compactly supported functions as piecewise multivariable polynomials which are supported on the ellipsoidal regions, the parameters to be calculated for determining the densities can be considerably decreased compared to Multi-Gaussian Closure scheme, in which the stationary densities are assumed to be the weighted average of the Gaussian densities. The main motivation to choose the compactly supported functions is that, in the chaotic dynamics the states are trapped in a specific compact subspace of the state space. The stationary state densities of two basic examples commonly considered in the literature have been estimated using the Parzen's estimator, and the densities obtained using the newly proposed method have been compared with these estimated densities and the densities obtained with the Multi-Gaussian Closure scheme. The results indicate that the presented compactly supported piecewise polynomial scheme can be successful compared to Multi-Gaussian scheme, when the system is highly nonlinear. textcopyright 2006 Elsevier Ltd. All rights reserved. |
serkan gunel,; acar f savaci, determination of stationary state densities of nonlinear stochastic dynamical systems Journal Article international journal of engineering science, 2006. BibTeX @article{pop00051cb,
title = {determination of stationary state densities of nonlinear stochastic dynamical systems},
author = {serkan gunel and acar f savaci},
year = {2006},
date = {2006-01-01},
journal = {international journal of engineering science},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Ozkurt, N; Savaci, FA Determination of wavelet ridges of nonstationary signals by singular value decomposition Journal Article IEEE Transactions on Circuits and Systems II: Express Briefs, 52 (8), pp. 480–485, 2005. BibTeX @article{pop00003p,
title = {Determination of wavelet ridges of nonstationary signals by singular value decomposition},
author = {N Ozkurt and FA Savaci},
year = {2005},
date = {2005-01-01},
journal = {IEEE Transactions on Circuits and Systems II: Express Briefs},
volume = {52},
number = {8},
pages = {480--485},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Gunel, S; Savaci, FA Approximate stationary density of the nonlinear dynamical systems excited with white noise Journal Article 2005 IEEE International Symposium on Circuits and Systems, pp. 4899–4902, 2005. BibTeX @article{pop00013fb,
title = {Approximate stationary density of the nonlinear dynamical systems excited with white noise},
author = {S Gunel and FA Savaci},
year = {2005},
date = {2005-01-01},
journal = {2005 IEEE International Symposium on Circuits and Systems},
pages = {4899--4902},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Özkurt, Nalan; Savaci, Acar F; Gündüzalp, Mustafa The circuit realization of Mexican Hat wavelet function Journal Article AEU - International Journal of Electronics and Communications, 2005, ISSN: 16180399. Abstract | Links | BibTeX @article{Ozkurt2005a,
title = {The circuit realization of Mexican Hat wavelet function},
author = {Nalan Özkurt and Acar F Savaci and Mustafa Gündüzalp},
doi = {10.1016/j.aeue.2004.11.023},
issn = {16180399},
year = {2005},
date = {2005-01-01},
journal = {AEU - International Journal of Electronics and Communications},
abstract = {A wavelet network circuit implementation for Mexican Hat mother wavelet has been proposed for nonlinear function approximation which can also be used for the realization of the algebraic nonlinear components. The Mexican Hat mother wavelet function has been implemented with discrete circuit components and it has been observed that the experimental waveform obtained from the realized circuit is approximately same as the Spice simulation of the original function. The circuit simulations of exemplar functions implemented in Spice are also given. textcopyright 2004 Elsevier GmbH. All rights reserved.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
A wavelet network circuit implementation for Mexican Hat mother wavelet has been proposed for nonlinear function approximation which can also be used for the realization of the algebraic nonlinear components. The Mexican Hat mother wavelet function has been implemented with discrete circuit components and it has been observed that the experimental waveform obtained from the realized circuit is approximately same as the Spice simulation of the original function. The circuit simulations of exemplar functions implemented in Spice are also given. textcopyright 2004 Elsevier GmbH. All rights reserved. |
Gunel, S; Savaci, F Existence of the state probability densities of the Chua’s circuit Journal Article Nonlinear Dynamics of Electronic Systems (NDES)(Postdam, Germany, 2005), pp. 1–6, 2005. BibTeX @article{pop00040db,
title = {Existence of the state probability densities of the Chua’s circuit},
author = {S Gunel and F Savaci},
year = {2005},
date = {2005-01-01},
journal = {Nonlinear Dynamics of Electronic Systems (NDES)(Postdam, Germany, 2005)},
pages = {1--6},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Ozkurt, N; Savaci, FA Signal synthesis using wavelet ridges Journal Article Proceedings of the IEEE 12th Signal Processing and Communications …, 2004. BibTeX @article{pop00031cb,
title = {Signal synthesis using wavelet ridges},
author = {N Ozkurt and FA Savaci},
year = {2004},
date = {2004-01-01},
journal = {Proceedings of the IEEE 12th Signal Processing and Communications …},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Çek, ME; Savacı, FA Rank kestirim yöntemi kullanarak SVD tabanlı gürültü filtreleme Journal Article IEEE, 2004. BibTeX @article{pop00041bb,
title = {Rank kestirim yöntemi kullanarak SVD tabanlı gürültü filtreleme},
author = {ME Çek and FA Savacı},
year = {2004},
date = {2004-01-01},
journal = {IEEE},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Cek, ME; Savaci, FA SVD based noise reduction using rank estimation method Journal Article Proceedings of the IEEE 12th Signal Processing and Communications …, 2004. BibTeX @article{pop00052bb,
title = {SVD based noise reduction using rank estimation method},
author = {ME Cek and FA Savaci},
year = {2004},
date = {2004-01-01},
journal = {Proceedings of the IEEE 12th Signal Processing and Communications …},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Savaci, FA; Yalçin, ME; Güzeliş, C Steady-state analysis of nonlinearly coupled Chua's circuits with periodic input Journal Article International Journal of Bifurcation and Chaos, 13 (11), pp. 3395–3407, 2003. BibTeX @article{pop00009bb,
title = {Steady-state analysis of nonlinearly coupled Chua's circuits with periodic input},
author = {FA Savaci and ME Yalçin and C Güzeliş},
year = {2003},
date = {2003-01-01},
journal = {International Journal of Bifurcation and Chaos},
volume = {13},
number = {11},
pages = {3395--3407},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Özkurt, Nalan; Savaci, Acar F; Gündüzalp, Mustafa The circuit implementation of a wavelet function approximator Journal Article Analog Integrated Circuits and Signal Processing, 2002, ISSN: 09251030. Abstract | Links | BibTeX @article{Ozkurt2002,
title = {The circuit implementation of a wavelet function approximator},
author = {Nalan Özkurt and Acar F Savaci and Mustafa Gündüzalp},
doi = {10.1023/A:1019582227344},
issn = {09251030},
year = {2002},
date = {2002-01-01},
journal = {Analog Integrated Circuits and Signal Processing},
abstract = {This paper describes the analog synthesis of a wavelet function approximator using sigmoidal mother wavelet.Any finite energy multivariate function can be approximated by this analog circuit using the multiresolution approximation property of thewavelet decomposition.Theapproximator circuit includes bipolar junction transistors, operational amplifiers and linear passive circuit elements},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
This paper describes the analog synthesis of a wavelet function approximator using sigmoidal mother wavelet.Any finite energy multivariate function can be approximated by this analog circuit using the multiresolution approximation property of thewavelet decomposition.Theapproximator circuit includes bipolar junction transistors, operational amplifiers and linear passive circuit elements |
Özkurt, N; Savacı, FA; Gündüzalp, M Bir Dalgacık İşlev Yaklaşım Devresi Gerçekleme Önerisi Journal Article SIU, 2002. BibTeX @article{pop00042db,
title = {Bir Dalgacık İşlev Yaklaşım Devresi Gerçekleme Önerisi},
author = {N Özkurt and FA Savacı and M Gündüzalp},
year = {2002},
date = {2002-01-01},
journal = {SIU},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Özkurt, N; Savacı, F Wavelet analysis of the generalized Chua’s circuit Journal Article Proc. 9th Workshop on Nonlinear Dynamics of Electronic Systems, 2001 , pp. 227–230, 2001. BibTeX @article{pop00020bb,
title = {Wavelet analysis of the generalized Chua’s circuit},
author = {N Özkurt and F Savacı},
year = {2001},
date = {2001-01-01},
journal = {Proc. 9th Workshop on Nonlinear Dynamics of Electronic Systems},
volume = {2001},
pages = {227--230},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Yalçın, ME; Savaci, FA Realization of Chua’s circuit by using voltage controlled voltage source (VCVS) and its harmonic balance analysis Journal Article ARI (ITU-Springer Verlag), 51 (3), pp. 169–174, 1999. BibTeX @article{pop00024gb,
title = {Realization of Chua’s circuit by using voltage controlled voltage source (VCVS) and its harmonic balance analysis},
author = {ME Yalçın and FA Savaci},
year = {1999},
date = {1999-01-01},
journal = {ARI (ITU-Springer Verlag)},
volume = {51},
number = {3},
pages = {169--174},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Yalçin, ME; Savacı, FA New realization of Chua’s circuit and verification of chaos by harmonic balance analysis Journal Article ARI-An International Journal for Physical and Engineering Sciences 51 (3 …, 1999. BibTeX @article{pop00032cb,
title = {New realization of Chua’s circuit and verification of chaos by harmonic balance analysis},
author = {ME Yalçin and FA Savacı},
year = {1999},
date = {1999-01-01},
journal = {ARI-An International Journal for Physical and Engineering Sciences 51 (3 …},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Yalçın, ME; Savkay, L; Savacı, FA New realization of chua’s circuit by using voltage controlled voltage source (vcvs) Journal Article Proceedings Int. Workshop on Nonlinear Dynamics of Electronic Systems NDES …, 1996. BibTeX @article{pop00011b,
title = {New realization of chua’s circuit by using voltage controlled voltage source (vcvs)},
author = {ME Yalçın and L Savkay and FA Savacı},
year = {1996},
date = {1996-01-01},
journal = {Proceedings Int. Workshop on Nonlinear Dynamics of Electronic Systems NDES …},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Savaci, AF; Vandewalle, J on the stability analysis of cellular neural networks Journal Article IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS-I FUNDAMENTAL THEORY AND …, 1993. BibTeX @article{pop00001sb,
title = {on the stability analysis of cellular neural networks},
author = {AF Savaci and J Vandewalle},
year = {1993},
date = {1993-01-01},
journal = {IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS-I FUNDAMENTAL THEORY AND …},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Savaci, FA; Göknar, IC A geometric approach for testing regularity of multi-dimensional polynomial matrices and a pencil of -matrices Journal Article Kybernetika, 27 (3), pp. 271–279, 1991. BibTeX @article{pop00054cb,
title = {A geometric approach for testing regularity of multi-dimensional polynomial matrices and a pencil of -matrices},
author = {FA Savaci and IC Göknar},
year = {1991},
date = {1991-01-01},
journal = {Kybernetika},
volume = {27},
number = {3},
pages = {271--279},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Inproceedings
|
Ahmed, Areeb; Savaci, Ferit Acar; Wahdan, Muath; Othman, Husam Role of Fractional Powers in Manuevering the Fractional Lower-Order Auto-Covariance of Symmetric Alpha-Stable Noise Signals Inproceedings 2019. Links | BibTeX @inproceedings{Ahmed2019a,
title = {Role of Fractional Powers in Manuevering the Fractional Lower-Order Auto-Covariance of Symmetric Alpha-Stable Noise Signals},
author = {Areeb Ahmed and Ferit Acar Savaci and Muath Wahdan and Husam Othman},
doi = {10.1109/ebbt.2019.8741959},
year = {2019},
date = {2019-01-01},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
Ahmed, Areeb; Savaci, Ferit Acar On optimizing fractional lower order covariance based synchronization method for random communication systems Inproceedings 26th IEEE Signal Processing and Communications Applications Conference, SIU 2018, 2018, ISBN: 9781538615010. Links | BibTeX @inproceedings{Ahmed2018,
title = {On optimizing fractional lower order covariance based synchronization method for random communication systems},
author = {Areeb Ahmed and Ferit Acar Savaci},
doi = {10.1109/SIU.2018.8404466},
isbn = {9781538615010},
year = {2018},
date = {2018-01-01},
booktitle = {26th IEEE Signal Processing and Communications Applications Conference, SIU 2018},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
Savaci, Ferit Acar; Yilmaz, Serpil Stochastic bifurcation in generalized chua's circuit through alpha-stable levy noise Inproceedings ICECS 2017 - 24th IEEE International Conference on Electronics, Circuits and Systems, 2018, ISBN: 9781538619117. Links | BibTeX @inproceedings{Savaci2018,
title = {Stochastic bifurcation in generalized chua's circuit through alpha-stable levy noise},
author = {Ferit Acar Savaci and Serpil Yilmaz},
doi = {10.1109/ICECS.2017.8292057},
isbn = {9781538619117},
year = {2018},
date = {2018-01-01},
booktitle = {ICECS 2017 - 24th IEEE International Conference on Electronics, Circuits and Systems},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
Savaci, Acar F; Erdogan, Ugras R Analog realization of the quantum derivative operator Inproceedings 2017 European Conference on Circuit Theory and Design, ECCTD 2017, 2017, ISBN: 9781538639740. Links | BibTeX @inproceedings{Savaci2017a,
title = {Analog realization of the quantum derivative operator},
author = {Acar F Savaci and Ugras R Erdogan},
doi = {10.1109/ECCTD.2017.8093350},
isbn = {9781538639740},
year = {2017},
date = {2017-01-01},
booktitle = {2017 European Conference on Circuit Theory and Design, ECCTD 2017},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
Eroǧlu, Can; Savaci, Acar F Implementation of partial synchronization of different chaotic systems by field programmable gate array Inproceedings ECCTD 2009 - European Conference on Circuit Theory and Design Conference Program, 2009, ISBN: 9781424438969. Links | BibTeX @inproceedings{Eroglu2009,
title = {Implementation of partial synchronization of different chaotic systems by field programmable gate array},
author = {Can Eroǧlu and Acar F Savaci},
doi = {10.1109/ECCTD.2009.5275038},
isbn = {9781424438969},
year = {2009},
date = {2009-01-01},
booktitle = {ECCTD 2009 - European Conference on Circuit Theory and Design Conference Program},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
Ozbek, Erdal M; Savaci, Acar F Classification of Turkish musical instruments Inproceedings 2009. Links | BibTeX @inproceedings{Ozbek2009d,
title = {Classification of Turkish musical instruments},
author = {Erdal M Ozbek and Acar F Savaci},
doi = {10.1109/siu.2009.5136358},
year = {2009},
date = {2009-01-01},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
Cek, Emre M; Savaci, Acar F; Ozgiren, Murat Estimation of partial directed coherence and direction of information flow with auditory evoked potentials Inproceedings 2009. Links | BibTeX @inproceedings{Cek2009,
title = {Estimation of partial directed coherence and direction of information flow with auditory evoked potentials},
author = {Emre M Cek and Acar F Savaci and Murat Ozgiren},
doi = {10.1109/biyomut.2009.5130260},
year = {2009},
date = {2009-01-01},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
Ozbek, Erdal M; Savaci, Acar F Fundamental frequency tracking of musical signals with correntropy Inproceedings 2009. Links | BibTeX @inproceedings{Ozbek2009abb,
title = {Fundamental frequency tracking of musical signals with correntropy},
author = {Erdal M Ozbek and Acar F Savaci},
doi = {10.1109/siu.2009.5136357},
year = {2009},
date = {2009-01-01},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
Ozbek, Erdal M; Savaci, Acar F Separation of musical instruments using correntropy Inproceedings 2008. Links | BibTeX @inproceedings{Ozbek2008b,
title = {Separation of musical instruments using correntropy},
author = {Erdal M Ozbek and Acar F Savaci},
doi = {10.1109/siu.2008.4632652},
year = {2008},
date = {2008-01-01},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
Savaci, Acar F; Goknar, I C Fault analysis and parameter identification in linear circuits in terms of topological matrices Inproceedings 2003. Links | BibTeX @inproceedings{AcarSavaci2003,
title = {Fault analysis and parameter identification in linear circuits in terms of topological matrices},
author = {Acar F Savaci and I C Goknar},
doi = {10.1109/iscas.1988.15077},
year = {2003},
date = {2003-01-01},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
Arik, S; Kilinc, A; Savaci, Acar F Global asymptotic stability of discrete-time cellular neural networks Inproceedings 2002. Links | BibTeX @inproceedings{Arik2002,
title = {Global asymptotic stability of discrete-time cellular neural networks},
author = {S Arik and A Kilinc and Acar F Savaci},
doi = {10.1109/cnna.1998.685329},
year = {2002},
date = {2002-01-01},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
Miscellaneous
|
Eroglu, C; Savaci, FA Control System for Synchronization of Generalized Chua's Circuits in FPGA Miscellaneous 2009. BibTeX @misc{pop00038bb,
title = {Control System for Synchronization of Generalized Chua's Circuits in FPGA},
author = {C Eroglu and FA Savaci},
year = {2009},
date = {2009-01-01},
keywords = {},
pubstate = {published},
tppubtype = {misc}
}
|
Savacı, FA Artificial Intelligence and Neural Networks Miscellaneous 2006. BibTeX @misc{pop00030eb,
title = {Artificial Intelligence and Neural Networks},
author = {FA Savacı},
year = {2006},
date = {2006-01-01},
keywords = {},
pubstate = {published},
tppubtype = {misc}
}
|
