智能卡标准，英文原版 ISO/IEC7816

实现语音、视频聊天，音频数据采用G729a进行压缩，视频处理用VFW提供的有关函数实现。-voice, video chat, and audio data compression using G 729a, using video provided by the VFW Function.

通过与短信猫设备通讯，实现将数据库中的信息及号码取出，再根据号码将信息通过短信猫群发送到相应手机上，同时实现发送成功信息及失败信息的备案，以对发送失败信息的多次发送；以及实现发送时间间隔的设置。

用一阶锁相环实现的FM解调器.用ELANIX公司的SYSTEMVIEW运行调试.-with a band of PLL FM demodulator. ELANIX company with the SYSTEMVIEW Win OK debugging.

用于vista上ns2的安装，详细介绍了安装的步骤和注意事项-For vista on the ns2 installation, detailing the installation steps and precautions

本代码是标准的IEEE802.15.4源代码，在无线传感器网络中Zigbee协议中使用

GSM通讯源码，采用C++语言，用VC6.0编辑器编写的代码，对于挂接GSM模块后，能正常的与手机进行短信的收发，才用消息队列，开辅助线程对短信进行接收、解析、读取，对发送短信和接收短信，都采用消息队列的模式进行收发。非常好用。对搞GSM模块上位机开发的程序员非常有帮助

在窄带Rayleigh快衰落信道下几种检测方法的误码率性能比较-In the narrow-band Rayleigh Fast Fading Channels Several detection methods of error rate performance comparison

A simple Octave script where a BPSK modulated signal is transmitted on the 52 used subcarriers, may be used for understanding generation of an OFDM signal. The script is loosely based on 802.11a specification.

串口模块 适用于VB.Net VC++ C# 比VB6的串口控件好用-serial module applicable to the C# VB VC than VB6 Serial Control Easy

This a separate release of the OpenSS7 X/Open XTI/TLI library, TLI modules (timod, tirdwr) and the INET driver (inet) that provides Unix98 compatible interface to Linux NET4 TCP/IP stacks, and all the necessary manpages and other documentation. Although these components are contained in our LiS and Linux Fast-STREAMS releases, this tarball configures, builds and installs these components separate from those releases.