SIP: Session Initiation Protocol具体的讲解了rfc2543

该verilog 串口通信程序采用分层思想，主要由顶层模块、波特率发生器模块、数据发送模块和数据接收模块4个模块构成，功能划分明确，便于系统设计和调试。

手机界面设计运用MFC编程-phone interface design using MFC Programming

Projeto Mesa 01 controler com Picf877a, versao 1 sem lcd

介绍数字滤波器的定义、分类及实现方法。讨论IIR滤波器、FIR滤波器的设计方法以及如何运用MATLAB中的DSP Blockset工具箱设计数字滤波器。-Introduce digital filter definition, classification and realization method. Discussion of IIR filters, FIR filter design methods and how to use MATLAB in the DSP Blockset toolbox design digital filters.

串口中断方式通信源程序-serial communications interrupt source

很出名的一个串口类 让你不需要了解API就可以编写串口程序-It s a very famous serial genus, it makes you can write serial programme without understand API

关于高速电路板设计 的一些设计资料，适合于初学者．-on the design of high-speed circuit board design of some information, suitable for beginners.

一些GPS和GSM的设计和理论基础，对这方面的程序员的开发无疑是有帮助的。

串口通讯PB原程序-PB original serial communication procedures

本书介绍的wcdma系统的基本原理：包括wcdma的系统结构，关键技术，数据传输基本技术，无线接口，基本信令流程，3G业务，实现等-The book described the basic principles of WCDMA systems: including WCDMA system architecture, key technologies, the basic data transmission technology, the wireless interface, the basic signaling flow, 3G business, realize, etc.