matlab下几种调制函数，包括fskmod,pskmod等的使用，部分有翻译，版本为7.0

PSK调制和解调，绘制星座图。有两个命令。分别是dmod和pskmod-PSK modulation Using matlab

采用卷积编码与维特比译码对通信过程进行了仿真，展示了卷积码的差错校正容量，调制方式采用QPSK-This demo shows how to use a convolutional encoder and decoder in a simulation of a communications link. It also shows the error correcting capability of convolutional codes. This demonstrates the con