基于小波变换的碰磨故障信号的特征提取，可以画出信号原图，轴心轨迹，频谱图以及多层小波变换的重构信号-Based on wavelet transform rubbing fault signal feature extraction, the signal can be drawn artwork, orbit, spectrum and signal reconstruction wavelet multi-

全面模拟汽轮机组的轴心轨迹图，方便研究使用-Orbit comprehensive simulation of turbine group, to facilitate research use