脉冲响应的相关分析算法并检验，通过虚拟阵元进行DOA估计，ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块。- Related impulse response analysis algorithm and inspection, Conducted through virtual array DOA estimation, ofdm system simulation including 16qam modulation fft windowing modules plus cp