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Author: Francis C.M. Lau
Publisher: Springer Science & Business Media
ISBN: 3662051834
Category : Technology & Engineering
Languages : en
Pages : 236
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Book Description
One of the first books in this area, this text focuses on important aspects of the system operation, analysis and performance evaluation of selected chaos-based digital communications systems – a hot topic in communications and signal processing.
Author: Francis C.M. Lau
Publisher: Springer Science & Business Media
ISBN: 3662051834
Category : Technology & Engineering
Languages : en
Pages : 236
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Book Description
One of the first books in this area, this text focuses on important aspects of the system operation, analysis and performance evaluation of selected chaos-based digital communications systems – a hot topic in communications and signal processing.
Author: Wai M Tam
Publisher: Elsevier
ISBN: 0080465552
Category : Technology & Engineering
Languages : en
Pages : 251
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Book Description
Since the 1970's, there has been a great deal of research effort spent on studying chaotic systems and the properties of the chaotic signals generated. Characterized by their wideband, impulse-like autocorrelation and low cross-correlation properties, chaotic signals are useful spread-spectrum signals for carrying digital information. Spectrum spreading has become one of the most popular modulation techniques for high-speed wireless communications. It makes use of signals of very wide bandwidth to carry information at relatively low data rates, and possesses advantages such as low probability of interception, resistance to jamming, multiple-access capability and mitigation to multipath effect, which are particularly important in a wireless scenario. In addition to enjoying the aforementioned benefits, chaotic signals can be generated using simple circuitries, thus lowering the cost of transceivers. Early study of chaos-based communication systems was focused on a single-user case. In the past few years, more effort has been put on investigating systems with multiple-access capability, which is a key feature of spread-spectrum communication systems. Digital Communications with Chaos presents a detailed study of some multiple-access schemes used for chaos-based communications, and evaluates their performance. In addition, the effectiveness of the multiuser detection techniques, whose primary objective is to reduce interference between users and hence improve performance, is evaluated in the context of multiple-access digital communication systems. - Hot research topic - Describes communication technologies for the future - Authors among the pioneers researching in chaos-based communications
Author: Marcio Eisencraft
Publisher: CRC Press
ISBN: 1466557230
Category : Technology & Engineering
Languages : en
Pages : 486
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Book Description
Chaotic Signals in Digital Communications combines fundamental background knowledge with state-of-the-art methods for using chaotic signals and systems in digital communications. The book builds a bridge between theoretical works and practical implementation to help researchers attain consistent performance in realistic environments. It shows the possible shortcomings of the chaos-based communication systems proposed in the literature, particularly when they are subjected to non-ideal conditions. It also presents a toolbox of techniques for researchers working to actually implement such systems. A Combination of Tutorials and In-Depth, Cutting-Edge Research Featuring contributions by active leading researchers, the book begins with an introduction to communication theory, dynamical systems, and chaotic communications suitable for those new to the field. This lays a solid foundation for the more applied chapters that follow. A Toolbox of Techniques—Including New Ways to Tackle Channel Imperfections The book covers typical chaos communication methods, namely chaotic masking, chaotic modulation, chaotic shift key, and symbolic message bearing, as well as bidirectional communication and secure communication. It also presents novel methodologies to deal with communication channel imperfections. These tackle band-limited channel chaos communication, radio channels with fading, and the resistance of a special chaotic signal to multipath propagations. In addition, the book addresses topics related to engineering applications, such as optical communications, chaotic matched filters and circuit implementations, and microwave frequency-modulated differential chaos shift keying (FM-DCSK) systems. Insights for Both Theoretical and Experimental Researchers Combining theory and practice, this book offers a unique perspective on chaotic communication in the context of non-ideal conditions. Written for theoretical and experimental researchers, it tackles the practical issues faced in implementing chaos-based signals and systems in digital communications applications.
Author: Kader Sakkaria
Publisher: Leaders Press
ISBN: 9781637350256
Category : Business & Economics
Languages : en
Pages : 160
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Book Description
You can’t afford NOT to transform! Chaos by Design is a deliberately empowering tool that describes how you can foster the leadership characteristics, mindset, and company values required to successfully implement a ‘digital-first’ approach. DRIVING DIGITAL TRANSFORMATION—CULTURE BEFORE TECHNOLOGY. What’s the most important component of a successful digital transformation? It’s not software. It’s not hardware. Spoiler alert: it’s not even technology. It’s your people! But how do you convince and empower those people to follow your North Star? Drawing from nearly 60 years of combined business, technology, and leadership experience, Kader Sakkaria, Imran Karbhari, and Trevor Macomber explore the ways in which successful leaders motivate their teams, drive innovation, and propagate long-lasting digital transformations. Keep reading to uncover … How to harness the power of creative chaos to shift your organization from fragile to agile The secret sauce common to every successful digital transformation (hint: it isn’t barbecue) How the right North Star will orient your company culture in a way that ensures continued longevity Why failure is not an option—it’s a necessity! The critical importance of driving the change from project mindset to product mindset Why the servant leadership style is uniquely suited to transformative processes How unyielding creative disruption promotes flexible, adaptable business models primed for growth How to position your business not just to survive a global crisis, but to thrive in the uncertainty—in other words, chaos by design IDEATE. INNOVATE. ITERATE. REPEAT. EMBRACE THE CHAOS BY DESIGN AND BEGIN YOUR TRANSFORMATIONAL JOURNEY TODAY!
Author: Michael Kennedy
Publisher: CRC Press
ISBN: 9780849323485
Category : Technology & Engineering
Languages : en
Pages : 612
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Book Description
At the code level, discrete-time chaotic systems can be used to generate spreading codes for DS-SS systems. At the signal level, continuous-time chaotic systems can be used to generate wideband carriers for digital modulation schemes. The potential of chaos engineering is now recognized worldwide, with research groups actively pursuing the exploitation of chaotic phenomena in cryptography, spread spectrum communications, electromagnetic interference reduction, and many other applications. Although some noteworthy results have already been achieved, until now, the field has lacked both a systematic treatment of these developments and a careful, quantitative comparison of chaos-based and conventional techniques. Chaotic Electronics in Telecommunications fills both of those needs. It addresses the use of chaos in digital communications applications, from the coding level to circuit design. Each chapter offers a formal exposition of the theoretical and engineering tools needed to apply chaos, followed by discussion of the algorithms and circuits needed to apply the theory to real-world communications systems.
Author: Peter Stavroulakis
Publisher: CRC Press
ISBN: 0203025318
Category : Computers
Languages : en
Pages : 444
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Book Description
The concept of transmitting information from one chaotic system to another derives from the observation of the synchronization of two chaotic systems. Having developed two chaotic systems that can be synchronized, scientists can modulate on one phase signal the information to be transmitted, and subtract (demodulate) the information from the corres
Author: Lisa Welchman
Publisher: Rosenfeld Media
ISBN: 1933820829
Category : Business & Economics
Languages : en
Pages : 250
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Book Description
Few organizations realize a return on their digital investment. They’re distracted by political infighting and technology-first solutions. To reach the next level, organizations must realign their assets—people, content, and technology—by practicing the discipline of digital governance. Managing Chaos inspires new and necessary conversations about digital governance and its transformative power to support creativity, real collaboration, digital quality, and online growth.
Author: Jia-Ming Liu
Publisher: Springer Science & Business Media
ISBN: 038729788X
Category : Science
Languages : en
Pages : 392
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Book Description
This book provides a summary of the research conducted at UCLA, Stanford University, and UCSD over the last ?ve years in the area of nonlinear dyn- ics and chaos as applied to digital communications. At ?rst blush, the term “chaotic communications” seems like an oxymoron; how could something as precise and deterministic as digital communications be chaotic? But as this book will demonstrate, the application of chaos and nonlinear dynamicstocommunicationsprovidesmanypromisingnewdirectionsinareas of coding, nonlinear optical communications, and ultra-wideband commu- cations. The eleven chapters of the book summarize many of the promising new approaches that have been developed, and point the way to new research directions in this ?eld. Digital communications techniques have been continuously developed and re?ned for the past ?fty years to the point where today they form the heart of a multi-hundred billion dollar per year industry employing hundreds of thousands of people on a worldwide basis. There is a continuing need for transmission and reception of digital signals at higher and higher data rates. There are a variety of physical limits that place an upper limit on these data rates, and so the question naturally arises: are there alternative communi- tion techniques that can overcome some of these limitations? Most digital communications today is carried out using electronic devices that are essentially “linear,” and linear system theory has been used to c- tinually re?ne their performance. In many cases, inherently nonlinear devices are linearized in order to achieve a certain level of linear system performance.
Author: Paul Unger
Publisher:
ISBN: 9780578841366
Category :
Languages : en
Pages :
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Book Description
Technology is supposed to be our servant. However, for most of us, we have become a servant to technology. We need to turn that scenario around, and make technology work for us. Technology is supposed to be helping us do more in less time, but instead, it is controlling us in a very negative way. You've heard it-do more in less time and go home early, right? What happened to that? In my humble opinion, we have all become so dazzled by technology that we've lost all common sense.The methodologies outlined in this book combines distraction management skills, digital information strategies, with proven time management techniques utilizing technology tools for professionals in a practical and simple way. The goal of this book is to teach you time and task management skills and to help you cultivate the habits you need to make technology your servant so that you can regain control of your workday and personal life.
Author: Marcio Eisencraft
Publisher: CRC Press
ISBN: 135183214X
Category : Technology & Engineering
Languages : en
Pages : 506
Get Book Here
Book Description
Chaotic Signals in Digital Communications combines fundamental background knowledge with state-of-the-art methods for using chaotic signals and systems in digital communications. The book builds a bridge between theoretical works and practical implementation to help researchers attain consistent performance in realistic environments. It shows the possible shortcomings of the chaos-based communication systems proposed in the literature, particularly when they are subjected to non-ideal conditions. It also presents a toolbox of techniques for researchers working to actually implement such systems. A Combination of Tutorials and In-Depth, Cutting-Edge Research Featuring contributions by active leading researchers, the book begins with an introduction to communication theory, dynamical systems, and chaotic communications suitable for those new to the field. This lays a solid foundation for the more applied chapters that follow. A Toolbox of Techniques—Including New Ways to Tackle Channel Imperfections The book covers typical chaos communication methods, namely chaotic masking, chaotic modulation, chaotic shift key, and symbolic message bearing, as well as bidirectional communication and secure communication. It also presents novel methodologies to deal with communication channel imperfections. These tackle band-limited channel chaos communication, radio channels with fading, and the resistance of a special chaotic signal to multipath propagations. In addition, the book addresses topics related to engineering applications, such as optical communications, chaotic matched filters and circuit implementations, and microwave frequency-modulated differential chaos shift keying (FM-DCSK) systems. Insights for Both Theoretical and Experimental Researchers Combining theory and practice, this book offers a unique perspective on chaotic communication in the context of non-ideal conditions. Written for theoretical and experimental researchers, it tackles the practical issues faced in implementing chaos-based signals and systems in digital communications applications.
