验证可用，是学习PCA特征提取的很好的学习资料，数据模型归一化，模态振动。- Verification is available, Is a good learning materials to learn PCA feature extraction, Normalized data model, modal vibration.

数据模型归一化，模态振动，分析了该信号的时域、频域、倒谱，循环谱等,用于信号特征提取、信号消噪。- Normalized data model, modal vibration, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. For feature extraction, signal de-noising.

MIMO OFDM matlab仿真,用于特征降维，特征融合，相关分析等,数据模型归一化，模态振动。- MIMO OFDM matlab simulation, For feature reduction, feature fusion, correlation analysis, Normalized data model, modal vibration.