双向PCS控制仿真，一个很有用的程序，信号处理中的旋转不变子空间法，从先验概率中采样，计算权重，包括随机梯度算法，相对梯度算法，大学数值分析算法，旋转机械二维全息谱计算。- Two-way PCS control simulation, A very useful program, Signal Processing ESPRIT method, Sampling　a priori probability, calculate the weight, Including stochastic gradient algorithm, the relative gradient algorithm, University of numerical analysis algorithms, Rotating machinery 2-d holographic spectrum calculation.