是学习PCA特征提取的很好的学习资料，预报误差法参数辨识-松弛的思想，有信道编码，调制，信道估计等，是本科毕设的题目，基于欧几里得距离的聚类分析，感应双馈发电机系统的仿真。- Is a good learning materials to learn PCA feature extraction, Prediction Error Method for Parameter Identification- the idea of relaxation, Channel coding, modulation, channel estimation, The title of the commercial is undergraduate course you Clustering analysis based on Euclidean distance, Simulation of doubly fed induction generator system.