设载波频率为20Hz，信息速率为2Baud,用MatLab画出QPSK信号波形。

涉及Fax/Mail/Voice通讯编程的一个程序 -An example of Fax/Mail/Voice communication programming

中国专利联合开发投资网应投资商要求在全国范围征集节能、环保、具有显著市场开发潜力的专利项目投资开发。 请收到此通知的专利权人，尽快将专利项目介绍、专利授权-Net investment in joint development of China" s patent should invest in energy-saving operators have asked for collection at the national level, environmental protection, has significant market potential for development of proprietary investment and development projects. Please receive this notification, the patentee, the patent as soon as possible the project presentations, patents ...

OPC客户端开发必看,这是包含多个源码,同步,异步通讯的都有.-OPC client development a must-see, it is contains more than one source, synchronous, asynchronous communications are.

SIP. Understanding the Session Initiation Protocol Second Edition.rar全面介绍SIP RFC3261-SIP. Understanding the Second Session Initiation Protocol Edition.rar introduced SIP RFC3261

OFDM channel estimation

这段代码通过添加启动标志和停止标志准备迎接数据传输。比特填充是这样做的，如果类似一列率来启动标志或停止标志出现在随后的冗余加到在发送侧的数据，以便接收器能够除去塞入位数之后正确interprete的数据。

一个比较通用的telnet 协议源码-a more generic telnet agreement FOSS

在DLL和主程序中使用接口实例共享变量,ImageList(可以扩充共享数据链接) 受一位网友之托。粗作，高手不要下。 你可以试着更改Edit框中的字 然后按下chang login name 这样可以在DLL得到相应的值。 粗作。高手不要下-In DLL and main program interface examples of the use of shared variables, ImageList (can be expanded to share data link) by one of the occasional users. Rough for, you do not have. You can try to change the Edit box and then press the word chang login name in the DLL would be a corresponding value. Rough for. Players do not have

用VC++6.0的Sockets API实现一个聊天室程序,是使用socket编程的很好的一个文档.-VC 6.0 Sockets API a chat room procedures, the use of socket programming is a good one document.

这是CDMA 的 BRew 程序，用于测试网络部分-brew program