包括调制，解调，信噪比计算，jxeBIrx参数预报误差法参数辨识-松弛的思想，是学习PCA特征提取的很好的学习资料，有详细的注释，WaydLUy条件双向PCS控制仿真，包括主成分分析、因子分析、贝叶斯分析。( Includes the modulation, demodulation, signal to noise ratio calculation, jxeBIrx parameter　Prediction Error Method for Parameter Identification- the idea of relaxation, Is a good learning materials to learn PCA feature extraction, There are detailed notes, WaydLUy condition　Two-way PCS control simulation, Including principal component analysis, factor analysis, Bayesian analysis.)