最小均方误差（MMSE）的算法，结合PCA的尺度不变特征变换(SIFT)算法，非归零型差分相位调制信号建模与仿真分析 ，数值分析的EULER法，使用matlab实现智能预测控制算法，旋转机械二维全息谱计算。- Minimum mean square error (MMSE) algorithm, Combined with PCA scale invariant feature transform (SIFT) algorithm, NRZ type differential phase modulation signal modeling and simulation analysis, EULER numerical analysis method, Use matlab intelligent predictive control algorithm, Rotating machinery 2-d holographic spectrum calculation.