作者简介: 孙玉,1962年毕业于清华大学,后被分配到中国电子科技集团第54研究所工作至今。其间,从事军事通信设备研制和通信系统总体工程设计;领导创建了电信网络专业和数字家庭专业;出版电信科技著作13部。1995年当选中国工程院院士。现任,国防电信网络重点实验室科技委主任;兼任,中央军委科技委顾问。 内容简介: This book is a basic work specialized on modern digital communication, which consists of plesiochronous digital hierarchy, digital multiplexing principle, essential realization technology, relevant recommendations of ITU, CCITT/TSS and the application design of typical engineering project. It is intended for communication engineers and technicians as well as teachers and students of the universities and colleges. 目录: Chapter 1 Introduction 1 1.1 DIGITAL MULTIPLEX CONCEPT 1 1.2 DIGITAL MULTIPLEX HIERARCHY 3 1.3 CCITT RECOMMENDATIONS 5 1.4 CONTENT OF THE BOOK 6 Chapter 2 Synchronous Multiplexing 7 2.1 SYNCHRONOUS MULTIPLEXING EQUIPMENT COMPOSITION 7 2.2 FRAME STRUCTURE 9 2.3 FRAME ALIGNMENT 11 2.4 SYNCHRONIZATION ACQUISITION METHOD 13 2.5 THE CODE TYPE OF FRAME ALIGNMENT SIGNALS 15 2.6 AVERAGE ACQUISITION TIME 16 2.7 OPTIMUM LENGTH OF FRAME ALIGNMENT SIGNAL 20 2.8 SYNC ...
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