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よく一緒に購入されている商品
商品の説明
内容説明
- The clear, easy-to-understand introduction to digital communications
- Completely updated coverage of today's most critical technologies
- Step-by-step implementation coverage
- Trellis-coded modulation, fading channels, Reed-Solomon codes, encryption, and more
- Exclusive coverage of maximizing performance with advanced "turbo codes"
"This is a remarkably comprehensive treatment of the field, covering in considerable detail modulation, coding (both source and channel), encryption, multiple access and spread spectrum. It can serve both as an excellent introduction for the graduate student with some background in probability theory or as a valuable reference for the practicing ommunication system engineer. For both communities, the treatment is clear and well presented."
Andrew Viterbi, The Viterbi Group
Master every key digital communications technology, concept, and technique.
Digital Communications, Second Edition is a thoroughly revised and updated edition of the field's classic, best-selling introduction. With remarkable clarity, Dr. Bernard Sklar introduces every digital communication technology at the heart of today's wireless and Internet revolutions, providing a unified structure and context for understanding them -- all without sacrificing mathematical precision.
Sklar begins by introducing the fundamentals of signals, spectra, formatting, and baseband transmission. Next, he presents practical coverage of virtually every contemporary modulation, coding, and signal processing technique, with numeric examples and step-by-step implementation guidance. Coverage includes:
- Signals and processing steps: from information source through transmitter, channel, receiver, and information sink
- Key tradeoffs: signal-to-noise ratios, probability of error, and bandwidth expenditure
- Trellis-coded modulation and Reed-Solomon codes: what's behind the math
- Synchronization and spread spectrum solutions
- Fading channels: causes, effects, and techniques for withstanding fading
- The first complete how-to guide to turbo codes: squeezing maximum performance out of digital connections
- Implementing encryption with PGP, the de facto industry standard
Whether you're building wireless systems, xDSL, fiber or coax-based services, satellite networks, or Internet infrastructure, Sklar presents the theory and the practical implementation details you need. With nearly 500 illustrations and 300 problems and exercises, there's never been a faster way to master advanced digital communications.
CD-ROM INCLUDEDThe CD-ROM contains a complete educational version of Elanix' SystemView DSP design software, as well as detailed notes for getting started, a comprehensive DSP tutorial, and over 50 additional communications exercises.
The publisher, Prentice-Hall ECS Professional
A comprehensive examination of digital communication systems and signal processing techniques.
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カスタマーレビュー
最も参考になったカスタマーレビュー
11 人中、10人の方が、｢このレビューが参考になった｣と投票しています。
形式:ハードカバー
間違いなくこの本こそ、選ぶべきその本ではないかと思います。
元々が単純さとは程遠い通信理論の世界ですが、それを解説する書籍はその多くが断片的でありすぎたり、単なる天下り的な結論の羅列であったり あるいはその両方であったり・・ ま、これは私自身の水準の幼稚さを告白しているだけかも知れませんが。
ただ、この本を通読してみて得た印象は、そういう旧い書籍が学生の「通信理論」への参入障壁を尚更高いものにしていたのでは？ という事でした。
特記すべきは新版になってターボ符号の解説が導入された事ですが、他の難解な解説書と比較して、より実務レベルの人間向けに書かれていると感じました。 無論、少し厳しい階段を登る努力が必要なことに変わりはありませんが。
この著者が前提としているディジタル信号処理への知識はそれほど高度のものではありませんし、巻末にそれらのトピックの簡単な解説も掲載されています。 オッペンハイムのＤＴＳＰ第２版や、ＡＲＡＺＩの常識的符号理論入門書から直ちにこの書に取り掛かったとしても、それほど極端な無理は感じないでは？と思います。
星４つにしたのは、章末の問題に解答が与えられていない為ですが これは本書に限ってみれば、それほどの欠点ではないのかも知れません。
Amazon.com で最も参考になったカスタマーレビュー (beta)
Amazon.com:
21件のカスタマーレビュー
57 人中、56人の方が、｢このレビューが参考になった｣と投票しています。
Digital Communications: Fundamentals & Applications, 2nd Ed.
2001/2/27
形式:ハードカバー
This is one of the best books on the market for communications. As a university professor I am always looking for that special book that can take the student from the formative learning stage into maturity in the field of communication and signal processing. This book is an excellent text for such a journey. It provides a good mix of theory and practice with many worked examples. Unlike many texts in communications theory that provide their audiences with a lot of theory and abstractions that leave them confused, this book is so well written and the theory so well handled and presented, that its concepts are easily grasped. Then, to supplement this, the book has numerous worked examples showing practical applications. As an educator in the field of communications I have adapted this book for my course because its stated attributes above make my work in educating students that much easier. I recommend this book without reservation to anyone who needs a good reference in the field of communications.
24 人中、24人の方が、｢このレビューが参考になった｣と投票しています。
Good overview but not mathematically rigorous
2002/9/18
形式:ハードカバー
Digital Communications by Sklar is an excellent introduction to the field for the student or the practicing engineer. There is a logical flow from beginning to end, and the book is written in an easy to read style, which allows the reader to grasp the engineering tradeoffs involved in digital communications.
The book is not mathematically rigorous; although formulas are presented, they are not derived. However, I feel that to correct this shortfall may make the book too long, and harder to read. I think it is better to get a general overview of the topic from this book, and to look to other sources where mathematical rigor is desired.
Some additional background is helpful, but not necessary to understand the mathematical details that are glossed over. These include a course in Detection and Estimation to understand concepts such as signal spaces, noise, decision regions and probability of error, and an introductory DSP course to understand the issues surrounding aliasing, quantizing, equalization, and source coding. Familiarity with Fourier Transforms and prior background with Probability and Random Processes is essential to understanding the math that is presented in the book.
Overall, I highly recommend this book for someone who wants to appreciate the engineeering constraints that need to be met in the design of digital communication systems.
11 人中、11人の方が、｢このレビューが参考になった｣と投票しています。
A great book to learn comm. theory.
2001/3/9
形式:ハードカバー
I was introduced to the 1st edition of this book as an undergrad at UCLA where Sklar taught. Since then as I have worked in the wireless and telecom fields, it has remained one of my main references. I've added other comm. books such as Proakis', but Sklar remains my favorite. It is well arrange, making it easy to reference any material you may be interested in. It touches on every area of comm. theory from modulation to coding. If you are looking for a general communication theory reference book, then this should be the one. But if you are only interested in learning in detail about one particular area of commmuncation theory such as CDMA or Trellis Coding, then you should seek a book specializing in that area only. No book can cover everything in the depth.
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