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 generator system, Signal Processing ESPRIT method, By applying the beam forming technology of BE.