communications related knowledge : shortwave, spread spectrum, mobile

中文RFC文件，无需翻译，对学习很有帮助！

主要是通过应用程序对skype进行进程间常用功能的控制（如呼叫，挂接电话等），并且整合了PSTN电话功能（需相应的硬件）．实现了网络电话与传统的pstn电话与一体．-Mainly through the application of the skype feature commonly used to carry out inter-process control (such as call, articulated phone, etc.), and the integration of PSTN telephony functions (subject to the appropriate hardware). Realize the network with the traditional PSTN telephone call with one.

周立功lpc210x开发发光盘上的文档，-development of the CD-ROM documentation,

一个简单而全面的基于Modbus协议的范例程序，具有打开串口、发送数据、接受数据和CRT校验和检查数据，该项目中封装了Modbus类和SerialPort类，可以直接将这两个类导入工程中使用，通过调用Modbus类的接口来收发数据。。。谢谢大家支持！

信号采集器，油,水,气的采集-Signal acquisition device, oil, water, gas collection

考虑载波的qpsk信号在瑞利信道上的仿真-consider Carrier qpsk Rayleigh channel signal simulation

本例是采用UDP通信，包括服务器与客户端，包括数据重传机制和异常处理机制-In this case is the use of UDP communications, including server and client, including data retransmission mechanism and exception handling mechanism

CAN OPEN 欧洲标准DSP 301通讯协议-CAN OPEN European standard DSP 301 protocol

一个消息到达通知，类似MSN、UC等的形式，是一个源码控件。可以当作学习的资料。-a news arrived notice, similar to MSN, the UC form is a source control. Can be used as learning information.

A self-designed control of PC parallel port communication is introduced in this paper.Taking advantage of the MFC ActiveX technology, it is developed in Visual C++ and offset the scarcity of the control of PC parellel paort communication. An example of frequency measurement shows the detail procedure and application of the control.