数学方法是部分子空间法，是机器学习的例程，时间序列数据分析中的梅林变换工具，验证可用，到达过程是的泊松过程，信号维数的估计，music高阶谱分析算法，旋转机械二维全息谱计算。- Mathematics is part of the subspace, Machine learning routines, Time series data analysis Mellin transform tool, Verification is available, Arrival process is a Poisson process, Signal dimension estimates, music higher order spectral analysis algorithm, Rotating machinery 2-d holographic spectrum calculation.