从先验概率中采样，计算权重，通过虚拟阵元进行DOA估计，有详细的注释，感应双馈发电机系统的仿真，信号处理中的旋转不变子空间法，采用波束成形技术的BER计算。- Sampling a priori probability, calculate the weight, Conducted through virtual array DOA estimation, There are detailed notes, Simulation of doubly fed induction generat