说明：  介绍了16PSK与16QAM调制的概念,分析了调制的频带利用率和误码性能仿真,总结了16QAM调制和16PSK调制的优缺点
(This paper introduces the concepts of 16PSK and 16QAM modulation, analyzes the bandwidth efficiency and error performance simulation of the modulation, and summarizes the advantages and disadvantages of 16QAM modulation and 16PSK modulation.)