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This book offers students, scientists and engineers an extensive introduction to the theoretical fundamentals of digital communications, covering single input single output SISO , multiple input multiple output MIMO , and time-variant systems. Further, the main content is supplemented by a wealth of representative examples and computer simulations. The book is divided into three parts, the first of which addresses the principles of wire-line and wireless digital transmission over SISO links. Digital modulation, intersymbol interference, and various detection methods are discussed; models for realistic time-variant, wireless channels are introduced; and the equivalent time-variant baseband system model is derived. Since not all readers may be familiar with this topic, Part II is devoted to the theory of linear time-variant systems.
Chaos-based Communication Systems. Major Contributions. Written a monograph that provided not only the basic knowledge of chaotic signals and communication systems, but also details on the practical system design, analytical and simulation techniques, and performance evaluation of single-user and multiple-access chaotic communication systems. Introduced a novel analytical technique combining discrete-time method and Gaussian approximation for deriving the error performance of chaotic communication systems. Invented an M-ary chaotic communication system and made use of a novel permutation technique to enhance the security of chaotic communication systems.
Introduction to Digital Communications explores the basic principles in the analysis and design of digital communication systems, including design objectives, constraints and trade-offs. After portraying the big picture and laying the background material, this book lucidly progresses to a comprehensive and detailed discussion of all critical elements and key functions in digital communications. We are always looking for ways to improve customer experience on Elsevier. We would like to ask you for a moment of your time to fill in a short questionnaire, at the end of your visit. If you decide to participate, a new browser tab will open so you can complete the survey after you have completed your visit to this website. Thanks in advance for your time.
The communication that occurs in our day-to-day life is in the form of signals. These signals, such as sound signals, generally, are analog in nature. When the communication needs to be established over a distance, then the analog signals are sent through wire, using different techniques for effective transmission. The conventional methods of communication used analog signals for long distance communications, which suffer from many losses such as distortion, interference, and other losses including security breach. In order to overcome these problems, the signals are digitized using different techniques.
The remainder of the book is devoted to the design of circuits Explore the Home Gift Guide. PLCs can interface with both discrete and analog devices. The first part of Chapter 1 covers the basic issues of sampling, aliasing, and analog reconstruction at a level appropriate for juniors.
Culture: Culture of the particular society also comes under social system. They might be continuous-time analog signals audio, images and even 1-D or 2-D.
Он хотел их отключить. Для него важен был только один голос, который то возникал, то замолкал. - Дэвид, прости. Он увидел пятна света. Сначала слабые, еле видимые на сплошном сером фоне, они становились все ярче. Попробовал пошевелиться и ощутил резкую боль.
Не обращайте на него внимания, - засмеялась. - Он просто расстроен. Но он получит то, что ему причитается. - Она встряхнула волосами и подмигнула. - Может быть, все-таки скажете что-нибудь. Что помогло бы мне? - сказал Беккер.