- 电子工业出版社
- 9787121511240
- 1-2
- 16开
- 2026-01
- 444
- 工学
- 电子信息类
- 电子信息与电气
- 本科 研究生及以上
内容简介
本书系统阐述信息论的基本原理、编码方法及工程实践，并融入前沿发展动态，共四篇14章。本书注重知识体系的系统性和实践性，在理论推导中强调物理意义的阐释，体现信息传输追求的有效性、可靠性和安全性，在编码方法中着重介绍典型算法的实现，并通过工程案例解析，帮助读者建立从数学理论到技术落地的完整认知。每章末设有延伸阅读材料和针对性习题，既巩固基础概念，又拓展学术视野。 本书可作为高等学校电子信息类专业的本科生、研究生教材，也可供信息科学及系统工程领域有关人员参考。
目录
第一篇 理论基础篇
第 1 章 绪论··································································································································· 2
1.1 信息的内涵及相关概念···································································································· 2
1.1.1 信息的定义 ··············································································································· 2
1.1.2 信息与情报等概念的区别和联系 ················································································· 3
1.2 信息论及其发展 ··············································································································· 4
1.2.1 信息论发展简介········································································································· 4
1.2.2 信息论的应用············································································································ 6
1.3 通信系统一般模型············································································································ 7
1.4 信息论的研究内容············································································································ 9
习题·········································································································································· 10
第 2 章 信息度量与信息熵 ········································································································· 11
2.1 信源的分类与数学模型·································································································· 11
2.1.1 信源分类················································································································· 11
2.1.2 信源的数学模型······································································································· 12
2.2 离散单符号信源的信息度量·························································································· 13
2.2.1 信息量 ···················································································································· 13
2.2.2 信息熵 ···················································································································· 18
2.2.3 联合熵与条件熵······································································································· 30
2.2.4 互熵与平均互信息 ··································································································· 33
2.3 离散序列信源的信息度量······························································································ 39
2.4 连续信源的信息度量······································································································ 40
2.4.1 均匀分布的连续信源的熵 ························································································· 41
2.4.2 高斯（正态）分布的连续信源的熵············································································ 41
2.4.3 指数分布的连续信源的熵 ························································································· 42
习题·········································································································································· 43
第 3 章 信道与信道容量 ············································································································· 47
3.1 信道的分类与数学模型·································································································· 47
3.1.1 信道分类················································································································· 47
3.1.2 信道的数学模型······································································································· 48
3.2 信息传输率与信道容量·································································································· 51
3.2.1 信道疑义度 ············································································································· 51
3.2.2 信息传输
第 1 章 绪论··································································································································· 2
1.1 信息的内涵及相关概念···································································································· 2
1.1.1 信息的定义 ··············································································································· 2
1.1.2 信息与情报等概念的区别和联系 ················································································· 3
1.2 信息论及其发展 ··············································································································· 4
1.2.1 信息论发展简介········································································································· 4
1.2.2 信息论的应用············································································································ 6
1.3 通信系统一般模型············································································································ 7
1.4 信息论的研究内容············································································································ 9
习题·········································································································································· 10
第 2 章 信息度量与信息熵 ········································································································· 11
2.1 信源的分类与数学模型·································································································· 11
2.1.1 信源分类················································································································· 11
2.1.2 信源的数学模型······································································································· 12
2.2 离散单符号信源的信息度量·························································································· 13
2.2.1 信息量 ···················································································································· 13
2.2.2 信息熵 ···················································································································· 18
2.2.3 联合熵与条件熵······································································································· 30
2.2.4 互熵与平均互信息 ··································································································· 33
2.3 离散序列信源的信息度量······························································································ 39
2.4 连续信源的信息度量······································································································ 40
2.4.1 均匀分布的连续信源的熵 ························································································· 41
2.4.2 高斯（正态）分布的连续信源的熵············································································ 41
2.4.3 指数分布的连续信源的熵 ························································································· 42
习题·········································································································································· 43
第 3 章 信道与信道容量 ············································································································· 47
3.1 信道的分类与数学模型·································································································· 47
3.1.1 信道分类················································································································· 47
3.1.2 信道的数学模型······································································································· 48
3.2 信息传输率与信道容量·································································································· 51
3.2.1 信道疑义度 ············································································································· 51
3.2.2 信息传输
