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  信号与系统 （内容一致 印次 封面 原价不同 统一售价 随机发货）
  ￥6.90

本书主要介绍由香农理论发展起来的信息论与编码理论,用于解决通信中的基本问题。首先简要介绍编码的概念;**部分介绍香农理论、信道与信源编码理论;第二部分详细介绍几种编码方案,可用于信道与信源编码。书中提供了大量实例,每章末均有习题与说明,以便于具有概率论与线性代数知识的读者掌握和理解。
本书可用做信息、通信、电子工程等专业的相关课教材,也可作为有一定英语基础的人员自学使用。

目录

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Section editor's foreword
Preface to the first edition
Preface to the second edition
Introduction
Problems
Notes
Part one: Information theory
1 Entropy and mutual information
1.1 Discrete random variables
1.2 Discrete random vectors
1.3 Nondiscrete random variables and vectors
Problems
Notes
2 Discrete memoryless channels and their capacity-cost functions
2.1 The capacity-cost function
2.2 The channel coding theorem
Problems
Notes
3 Discrete memoryless sources and their rate-distortion functions
3.1 The rate-distortion function
3.2 The source coding theorem
Problems
Notes
4 The Gaussian channel and source
4.1 The Gaussian channel
4.2 The Gaussian source
Problems
Notes
5 The source-channel coding theorem
Problems
Notes
6 Survey of advanced topics for part one
6.1 Introduction
6.2 The channel coding theorem
6.3 The source coding theorem
Part two:Coding theory
7 Linear codes
7.1 Introduction:The generator and parity-check matrices
7.2 Syndrome decoding on q-ary symmetric channels
7.3 Hamming geometry and code performance
7.4 Hamming codes
7.5 Syndrome decoding on general q-ary channels
7.6 Weight enumerators and the MacWilliams identities
Problems
Notes
8 Cyclic codes
8.1 Introduction
8.2 Shift-register encoders for cyclic codes
8.3 Cyclic Hamming codes
8.4 Burst-error correction
8.5 Decoding burst-error correcting cyclic code
Problems
Notes
9 BCH,Reed-solomon,and related codes
9.1 Introduction
9.2 BCH codes as cyclic codes
9.3 Decoding BCH codes,Part one:the key equation
9.4 Euclid's algorithm for polynomials
9.5 Decoding BCH codes,Part two:the algorithms
9.6 Reed-Solomon codes
9.7 Decoding when erasures are present
9.8 The(23,12)Golay code
Problems
Notes
10 Convolutional codes
10.1 Introduction
10.2 State diagrams,trellises,and Viterbi decoding
10.3 Path enumerators and error bounds
10.4 Sequential decoding
Problems
Notes
11 Variable-length source coding
11.1 Introduction
11.2 Uniquely decodable variable-length codes
11.3 Matching codes to sources
11.4 The construction of optimal UD codes(Huffman's algorithm)
Problems
Notes
12 Survey of advanced topics for Part two
12.1 Introduction
12.2 Block codes
12.3 Convolutional codes
12.4 A comparison of block and convolutional codes
12.5 Source codes
Appendices
A Probability theory
B Convex functions and Jensen's inequality
C Finite fields
D Path enumeration in directed graphs
References
1 General reference textbooks
2 An annotated bibliography of the theory of information and coding
3 Original papers cited in the text
Index of Theorems
Index