检查串口是否联有modem

程序利用了opc接口封包，已包含在压缩文件中-Procedures for the use of the opc interface packets, has been included in the compressed file

labview  变频控制485通信，CRC校验。labview  变频控制485通信，CRC校验

此程序根据不同的场景采用对应的方法预测无线通信中的链路信噪比，根据预测信噪比选择合适的编码效率和调制阶数进行链路自适应，以此应对过时信噪比对系统性能带来的恶劣影响。

this code make a virtual printer to get data from parallel port

16c552中文资料-16c552 Chinese data

A sound mixer example in Symbian OS, see readme.txt for details

简单的VC6.0程序，编译成功，可以实现设置波特率，选择端口号，打开端口。发送数据，接收数据等基本功能，是学习用C++编程实现串口编程的实例。

读取Windows Mobile 6中的SIM卡存储信息，包括条目容量，已用条目数，存储长度等。C#编写，VS2005下编译。-Windows Mobile 6 to read the SIM card to store information, including entry capacity, has spent a few entries, storage length. C# Prepared, VS2005 compiler under.

对mimo在瑞利信道中的量化并利用Zero-Forcing-For MIMO Rayleigh channel in the quantitative and make use of Zero-Forcing

将串口编程技术和ODBC技术相结合,实现串口数据实时在数据源文件中的存放和读取.-The serial programming technology and ODBC technology, to achieve real-time serial data source file in the data storage and reading.