预报误差法参数辨识-松弛的思想，NppUMdX参数旋转机械二维全息谱计算，单径或多径瑞利衰落信道仿真，相关分析过程的matlab方法，FPuwaqY条件包括主成分分析、因子分析、贝叶斯分析，matlab程序运行时导入数据文件作为输入参数。- Prediction Error Method for Parameter Identification- the idea of relaxation, NppUMdX parameter　Rotating machinery 2-d holographic spectrum calculation, Single path or multipath Rayleigh fading channel simulation, Correlation analysis process matlab method, FPuwaqY condition　Including principal component analysis, factor analysis, Bayesian analysis, Import data files as input parameters matlab program is running.