这是一个用C++开发的CRC效验程序，供大家借鉴

RS232的串行通讯源代码~~~~~~~~~~~~，完成各种类型的串行通讯。-RS232 serial communication ~~~~~~~~~~~~, complete source code of all types of serial communications.

这是一个使用modem拨号上网的程序，可以使用，在gprs方式下也可使用，是用gprs通信的很好的例子程序-It is a modem dial-up procedures can be used in GPRS mode also can be used. GPRS communication is a good example of procedures

本例子详细介绍了如何编制一个利用win32串口API函数，通过读写串口控制MODEM，进而实现远程数据传输的程序。-the detailed examples of how to use the preparation of a Serial win32 API functions to read and write through the modem serial port control, thereby achieving long-distance data transmission procedures.

电力系统通讯用iec-104，主站，子站，协调通讯，超时机制-Power system communication iec-104, master station, sub-stations, the coordination of communications, time-out mechanism

该程序可以算出未经编码和编码后的误码率，从而很清楚的表现纠错编码后系统的改善．-the program can be calculated without coding and the coding error rate, the performance is very clear after the error-correcting coding system improvements.

源码中包括了QPSK的调制与解调，以及QPSK信号比特误码率的计算-Source code included in the QPSK modulation and demodulation, as well as the QPSK signal bit error rate calculation

计算机网络讲义，大学讲义，可作为教学和自学用，希望对大家能有帮助。-Computer network notes, university lectures, can be used as a teaching and learning, and they hope to have everyone able to help.

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虚拟信号功率谱测量仪的设计，此系统可以可以产生正弦信号和白噪声时域信号波形，以及混杂噪声的正弦波波形，信噪比可调并可进行上述三种不同信号的FFT功率谱及FFT功率谱密度测量。