在三条径的瑞利信道中，对于直接序列扩频

软电话 从功能分为：服务器端和客户端 服务器：记录所有客户的信息，对客户的登陆、注销等请求进行响应 客户端：利用UDP协议与服务器和被叫或主叫客户端进行通讯 点对点通讯中的请求和响应消息是通过SIP协议来完成传输的，音频信息（压缩后）是同构RTP协议来完成传输的-Soft phone functionality is divided into: server-side and client-server: a record of all customer information, customer landing, write-offs, such as in response to client requests: the use of UDP protocol with the server and the called or caller client communication point of point communication in the request and response messages through the SIP protocol to complete the transmission, audio information (compressed) is isomorphic RTP protocol to complete the transmission

这是一个很好的文档，关于VLC开源项目在Cygwin上编译的，:)-This is a very good document, on the VLC open source projects on the Cygwin compiled, :)

通信系统的ASK调制程序，比较实用，包括完整的工程-ASK modulation communication system procedures, more practical, including the complete works

VPN的创建与实现大全 网站上现有，但不全-VPN creation and implementation of the existing volumes website, but incomplete

wsn_lifetime_simulator program

On the splitting method for VQ codebook generation

本程序采用stm32芯片，包含（spi/红外/串口/无线通信/tcp/ip）具有非常强大的数据处理功能，简单易懂，对现在开发产品的同行可以直接移用！

蓝牙 HCI 协议分析 Visual C++ 编译环境. HOST RS232,USB 通讯接口-Bluetooth HCI protocol analysis Visual C compiler environment. HOST RS232, USB interface

RAS高级编程是一个RAS拨号程序高级开发，通过该程序不经能够实现电话拨号功能，还能实现如adsl、网通等拨号功能，还能够监控modem或者网卡的网络流量，绝对是一个值得读者学习的程序。-RAS is a high-level programming RAS Dial-up procedures advanced development, and the program can be achieved without a telephone dial-up function can be realized as adsl, Netcom, and other dial-up function, but also to monitor the modem or Ethernet network traffic is definitely a worthy readers learning process.

同步套接字Socket通讯，主要通过TCP/IP进行通讯-Synchronous Socket Socket Communications