旋转机械二维全息谱计算的实用例程，部分实现了追踪测速迭代松弛算法，可直接计算得到多重分形谱。- Rotating Machinery dimensional hologram of practical spectrum calculation routines, Partially achieved tracking speed iterative relaxation algorithm, It can be directly calculated multi-fractal spectrum

BP neural network function fitting and pattern recognition, Rotating Machinery dimensional hologram of practical spectrum calculation routines, Including the area, perimeter, rectangular, elongation.