communications related knowledge : shortwave, spread spectrum, mobile

各种常用控件的示例-various examples of commonly used controls

这是本人学习CVI时下载的一个小程序，本程序根据原CVI串口例程改写，可以改变端口号、波特率等参数。并加入了显示串口状态的LED。

七号信令原理讲解，大公司出的培训教材，好！-Teaching materials about theory of ss7 from a big company.

这是一个关于富士智能系统公司测试门禁的源程序代码-this is a about fujica door test!

低通切比雪夫I型数字滤波器阶数为7阶 在2000Hz通带表现截止在2500Hz阻带边界在过渡带和阻带之间是单调下降波形. -Low-pass Chebyshev Type I digital filter order is 7  in the 2000Hz band pass-band cut-off at 2500Hz stopband performance in the transition zone and the boundary between the monotonic decline in stopband wave.

实现MSN自动转发消息的功能，利用了MS提供的MSN com接口，直接调用就可以了，也可以获取所有联系的列表，具体的接口参照MSDN上的说明-achieve MSN automatically forwarded to the news function, use of the MS MSN com interface, called directly, and they can also can get a list of all links, the interface reference to the specific instructions on the MSDN

ZTE s MG815 GSM module technical specifications, included pin out diagram of the module, power supply reference design and hardware spec.

zmodem文件传输协议的源码-source code of zmodem file translation protocol

适用于通达信集成版和个人版中的选股器->插件选股的插件开发接口 通达信插件编程规范及实例通达信自定义选股插件程序,嵌入通达信，输入某个参数，然后根据相关的股票行情数据计算，然后输出我需要的数据。

ofdma 系统中的各种资源分配算法仿真-OFDMA system, the various resource allocation algorithm simulation