将模拟滤波器转变为数字滤波器。

一个即时通讯的服务端的源代码。 建立一个即时通讯的服务器。-Instant messaging services to a client

晶体管的型号命名，材料分类，结构，识别方法，使用方法。-Transistor model name, material classification, structure, identification methods, the use of methods.

一个VB写的wincc与excel数据交换问题-write a VB wincc and excel data exchange problems

It is mainly used for ARQ simulation ,such as stop-and-wait

本例是基于TCP协议的，实现客户端与服务器之间文件的传输-In this case is based on the TCP protocol, and implementation between the client and server file transmission

中文RFC文件，无需翻译，对学习很有帮助！

GTP信令规定了移动台MS接入GPRS网络的隧道控制和管理协议要求，信令主要执行建立、修改和删除隧道的功能。在用户面，GTP利用GSN之间建立的隧道传送用户数据分组。-GTP signaling provides GPRS mobile station MS network access control and management of the tunnel requirements in the agreement, signaling the main executive to establish, modify and delete functions of the tunnel. In the user plane, GTP using GSN tunnel established between the transmission of user data packet.

一个简单典型的Visual c++应用程序,主要给出了串口通信的实际代码和一个具体应用 对实际的工程编程有很大的参考价值,其中CComm 为通信类

用UDP实现数据接收的程序，UDP实现面向非连接，在通讯中接收实时数据.-with UDP data receiving program, UDP-oriented non-connected, the communication to receive real-time data.

This system written in VB6. It should how to communicate using serial com port. It s good for reference