中文说明：应用背景作为通信系统中多输入多输出MIMO系统的进一步研究，空间调制SM系统已得到越来越广泛的应用，此作为研究SM的基本程序，帮助理解关键技术MATLAB编程实现，关键在于调制部分的归一化、信道、以及接收端的最大似然比检测技术
English Description：
Application backgroundAs a further study of multi input and multi output MIMO system in communication system, the space modulation SM system has been widely used, which is helpful to understand the basic program of SM.Key TechnologyMATLAB programming, the key lies in the modulation of the normalization, channel, and the receiver of the maximum likelihood ratio detection technology