信号维数的估计，部分实现了追踪测速迭代松弛算法，旋转机械二维全息谱计算，结合PCA的尺度不变特征变换(SIFT)算法，利用matlab GUI实现的串口编程例子，数值分析的EULER法，解耦，恢复原信号。- Signal dimension estimates, Partially achieved tracking speed iterative relaxation algorithm, Rotating machinery 2-d holographic spectrum calculation, Combined with PCA scale invariant feature transform (SIFT) algorithm, Use serial programming examples matlab GUI implementation, EULER numerical analysis method, Decoupling, restore the original signal.