Modern.Receiver.Front.Ends.Systems.Circuits.and.Integration A very good book about receiver-In recent years, the research and developments in the area of RF and microwave technologies have progressed significantly due to the growing demand for ap

计算机网络最基本概念之一:1. 引言 2. 重要术语 3. 电路交换与分组交换 4. IP 协议与 TCP 协议 5. 客户服务器方式 6. 结束语-One of the most basic concepts of computer networks: 1. Introduction 2. Key terminology 3. Circuit switching and packet switching 4. IP protocol and TCP protocol 5.

本章先讨论广域网基本概念，包括广域网所提供的两种服务——数据报和虚电路。接着要讨论分组转发，即网络交换结点怎样知道应通过哪条路径(path)才能将数据转发到所要通信的目的主机。这就要查找转发表。本章只讨论查找转发表的简单过程，而转发表是如何建立的则在下一章讨论。最后介绍三种广域网，即X.25网、帧中继网和采用ATM技术的广域网。-This chapter will discuss the basic concepts of wide-area network, wide area networ