解耦，恢复原信号，包括随机梯度算法，相对梯度算法，主要是基于mtlab的程序，旋转机械二维全息谱计算，基于分段非线性权重值的Pso算法。- Decoupling, restore the original signal, Including stochastic gradient algorithm, the relative gradient algorithm, Mainly based on the mtlab procedures, Rotating machinery 2-d holographic spectrum calculation, Based on piecewise nonlinear weight value Pso algorithm.