数字通信中的16QAM映射，采用格雷码编码，包括星座图的显示，简单明了清晰，由此可以退出64,128QAM的matlab编码-Digital communication 16QAM mapping, the use of Gray coding, including the constellation display, simple clear, it can be out of the 64,128 QAM matlab code

a simple qam mapping and demodulation

通讯类matlab文件，包括简单的QAM调制，想做图的产生等的一些基本程序-Communications matlab files, including simple QAM modulation, such as the generation of FIG want some basic procedures