Stochastic Resonance And Noise Assisted Signal Transfer
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Stochastic Resonance And Noise Assisted Signal Transfer
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Author : Peter S. Hammerstein
language : en
Publisher:
Release Date : 2004-08
Stochastic Resonance And Noise Assisted Signal Transfer written by Peter S. Hammerstein and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-08 with categories.
"This is a Ph.D. thesis. Recent research shows that noise or random fluctuations must not always be destructive in Nature by degrading system performance. On the contrary, in nonlinear systems they can synchronize systems or enhance the quality of signal transmission. The latter possibility is reported in this thesis. The phenomenon of stochastic resonance (SR) is presented and illustrated by an example of a ferromagnetically coupled spin chain, described by the Glauber's stochastic Ising spin model. It is demonstrated that an optimal strength of the next-neighbor interaction is able to improve the SR-effect. A similar mechanism has further been studied, both numerically and analytically, on the stochastic nonlinear dynamics of a ferromagnetic stripe domain in an inhomogeneous thin film. SR and its dependence on the domain stiffness, which is due to the exchange interaction, are presented. Experimental parameters for potential verification on Bi-doped epitaxial garnet-ferrite films are proposed. Further-on, a nonlinear model of a junction in neuronal and road structures is studied using various types of noise (stochastic processes) to generate the incoming traffic. It is shown that random fluctuations are able to enhance signal transmission, whereby the zero crossings of colored Gaussian noise is superior to Poissonian noise and, in certain cases, to deterministic, periodic traffic too. Optimal traffic for k - 1 has been found. In case of Gaussian 1/fk noise modulated periodic input, noise-assisted traffic can be observed as well as demonstrate how random fluctuations can enhance the signal traffic efficiency in a network. The effect of an optimal k has finally been applied to a data package network switch, whereby a stochastic data scheduling algorithm is proposed and investigated numerically and analytically."
Stochastic Resonance
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Author : Bruno Andò
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Stochastic Resonance written by Bruno Andò and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
Stochastic Resonance: Theory and Applications deals with the theory of noise-added systems and in particular with Stochastic Resonance, a quite novel theory that was introduced in the 1980s to provide better understanding of some natural phenomena (e.g. ice age recurrence). Following the very first works, a number of different applications to both natural and human-produced phenomena were proposed. The book aims to improve the understanding of noise-based techniques and to focus on practical applications of this class of phenomena (an aspect that has been very poorly investigated up to now). Based on this objective, the book is roughly divided into two parts. The first part deals with the essential theory of noise-added systems and in particular a new approach to noise-added techniques that allows a number of strategies proposed in previous years to be unified. The proposed approach also allows real-time control of the noise characteristics, assuring optimal system performance. In the second part a large number of applications are described in detail in the field of electric and electronic devices, with the aim of allowing readers to build their own experimental set. The book comes with a diskette of educational software that the authors developed. Stochastic Resonance: Theory and Applications is an invaluable reference for students, researchers and engineering professionals working in the fields of electric and electronic measurements, electronics and signal theory.
New Measures And Effects Of Stochastic Resonance
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Author : Swaminathan Sethuraman
language : en
Publisher:
Release Date : 2005
New Measures And Effects Of Stochastic Resonance written by Swaminathan Sethuraman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
In the case of wideband (aperiodic) signals, the classical signal and noise measures used to characterize stochastic resonance do not work because their way of distinguishing signal from noise fails. In a study published earlier (L.B. Kish, 1996), a new way of measuring and identifying noise and aperiodic (wideband) signals during strongly nonlinear transfer was introduced. The method was based on using cross-spectra between the input and the output. According to the study, in the case of linear transfer and sinusoidal signals, the method gives the same results as the classical method and in the case of aperiodic signals it gives a sensible measure. In this paper we refine the theory and present detailed simulations which validate and refine the conclusions reached in that study. As neural and ion channel signal transfer are nonlinear and aperiodic, the new method has direct applicability in membrane biology and neural science (S.M. Bezrukov and I. Vodyanoy, 1997).
Noise In Physical Systems And 1 F Fluctuations Icnf 2001 Procs Of The 16th Intl Conf
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Author : Gijs Bosman
language : en
Publisher: World Scientific
Release Date : 2001-08-20
Noise In Physical Systems And 1 F Fluctuations Icnf 2001 Procs Of The 16th Intl Conf written by Gijs Bosman and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-08-20 with Technology & Engineering categories.
The International Conference on Noise in Physical Systems and 1/f Fluctuations brings together physicists and engineers interested in all aspects of noise and fluctuations in materials, devices, circuits, and physical and biological systems. The experimental research on novel devices and systems and the theoretical studies included in this volume provide the reader with a comprehensive, in-depth treatment of present noise research activities worldwide.
Stochastic Resonance And Noise In Signal Processing Systems
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Author :
language : en
Publisher:
Release Date : 2005
Stochastic Resonance And Noise In Signal Processing Systems written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Electronic noise categories.
Noise In Physical Systems And 1 F Fluctuations
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Author : Gijs Bosman
language : en
Publisher: World Scientific
Release Date : 2001
Noise In Physical Systems And 1 F Fluctuations written by Gijs Bosman and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Electronic noise categories.
The International Conference on Noise in Physical Systems and 1/f Fluctuations brings together physicists and engineers interested in all aspects of noise and fluctuations in materials, devices, circuits, and physical and biological systems. The experimental research on novel devices and systems and the theoretical studies included in this volume provide the reader with a comprehensive, in-depth treatment of present noise research activities worldwide. Contents: Noise in Nanoscale Devices (S Bandyopadhyay et al.); 1/f Voltage Noise Induced by Magnetic Flux Flow in Granular Superconductors (O V Gerashchenko); Low Frequency Noise Analysis of Different Types of Polysilicon Resistors (A Penarier et al.); Low Frequency Noise in CMOS Transistors: An Experimental and Comparative Study on Different Technologies (P Fantini et al.); Modeling of Current Transport and 1/f Noise in GaN Based HBTs (H Unlu); Low Frequency Noise in CdSe Thin Film Transistors (M J Deen & S Rumyanstsev); NIST Program on Relative Intensity Noise Standards for Optical Fiber Sources Near 1550 nm (G Obarski); Physical Model of the Current Noise Spectral Density Versus Dark Current in CdTe Detectors (A Imad et al.); Time and Frequency Study of RTS in Bipolar Transistors (A Penarier et al.); Neural Network Based Adaptive Processing of Electrogastrogram (S Selvan); Shot Noise as a Test of Entanglement and Nonlocality of Electrons in Mesoscopic Systems (E V Sukhorukov et al.); The Readout of Time, Continued Fractions and 1/f Noise (M Planat & J Cresson); Longitudinal and Transverse Noise of Hot Electrons in 2DEG Channels (J Liberis et al.); 1/f Noise, Intermittency and Clustering Poisson Process (F Gruneis); Noise Modeling for PDE Based Device Simulations (F Bonani & G Ghione); Methods of Slope Estimation of Noise Power Spectral Density (J Smulko); and other papers. Readership: Researchers, academics and graduate students in electrical and electronic engineering, biophysics, nanoscience, applied physics, statistical physics and semiconductor science.
Noise Oscillators And Algebraic Randomness
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Author : Michel Planat
language : en
Publisher: Springer
Release Date : 2008-01-11
Noise Oscillators And Algebraic Randomness written by Michel Planat and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-01-11 with Science categories.
Noise is ubiquitous in nature and in man-made systems. Noise in oscillators perturbs high-technology devices such as time standards or digital communication systems. The understanding of its algebraic structure is thus of vital importance. The book addresses both the measurement methods and the understanding of quantum, 1/f and phase noise in systems such as electronic amplifiers, oscillators and receivers, trapped ions, cosmic ray showers and in commercial applications. A strong link between 1/f noise and number theory is emphasized. The twenty papers in the book are comprehensive versions of talks presented at a school in Chapelle des Bois (Jura, France) held from April 6 to 10, 1999, by engineers, physisicts and mathematicians.
Advances In Computer Communication Control And Automation
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Author : Yanwen Wu
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-11-20
Advances In Computer Communication Control And Automation written by Yanwen Wu and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-11-20 with Technology & Engineering categories.
The volume includes a set of selected papers extended and revised from the 2011 International Conference on Computer, Communication, Control and Automation (3CA 2011). 2011 International Conference on Computer, Communication, Control and Automation (3CA 2011) has been held in Zhuhai, China, November 19-20, 2011. This volume topics covered include signal and Image processing, speech and audio Processing, video processing and analysis, artificial intelligence, computing and intelligent systems, machine learning, sensor and neural networks, knowledge discovery and data mining, fuzzy mathematics and Applications, knowledge-based systems, hybrid systems modeling and design, risk analysis and management, system modeling and simulation. We hope that researchers, graduate students and other interested readers benefit scientifically from the proceedings and also find it stimulating in the process.
Unsolved Problems Of Noise And Fluctuations
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Author : Derek Abbott
language : en
Publisher: American Institute of Physics
Release Date : 2000-04-07
Unsolved Problems Of Noise And Fluctuations written by Derek Abbott and has been published by American Institute of Physics this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-04-07 with Mathematics categories.
Annotation The scope of the July 1999 conference covers Brownian ratchets, stochastic resonance, biomedicine, semiconductors, electronic devices, lasers, turbulence, and spectroscopy. Among the topics of the 66 papers are quantum stress tensor fluctuations, signatures of electron-electron interaction in nanoelectric device shot noise, the scale invariance of 1/f noise, Parrondo's paradoxical games, and what physicists can contribute to economics. Other topics include additive noise and noise-induced nonequilibrium phase transitions, entropy generation in computation and the second law of thermodynamics, high frequency noise modeling in MOSFETs, a percolative approach to resistance fluctuations, short time-scales in the Kramers problem, activated escape of driven systems, and numerical methods for systems excited by white noise. No subject index. Annotation c. Book News, Inc., Portland, OR (booknews.com)
An Evaluation Of The Stochastic Resonance Phenomenon As A Potential Tool For Signal Processing
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Author :
language : en
Publisher:
Release Date : 1994
An Evaluation Of The Stochastic Resonance Phenomenon As A Potential Tool For Signal Processing written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
Stochastic Resonance is a nonlinear stochastic phenomenon which can cause a transfer of energy from a random process (noise) to a periodic signal over a certain range of signal and system parameters. It has been observed in many diverse natural and physical systems, and may be one means by which biological sensor systems amplify weak sensory signals for detection. This paper is an evaluation of the use of the Stochastic Resonance phenomenon as a tool for signal processing in terms of its processing gain. Detection, Nonlinear processing, Stochastic resonance.