说明：  算法优化非常好，几乎没有循环，含噪脉冲信号进行相关检测,ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块。
( Algorithm optimization is very good, almost no circulation, Noisy pulse correlation detection signal, ofdm system simulation including 16qam modulation fft windowing modules plus cp.)