中文说明：数据模型归一化，模态振动，有较好的参考价值，是本科毕设的题目，对于初学者具有参考意义，包含特征值与特征向量的提取、训练样本以及最后的识别，D-S证据理论数据融合。
English Description：
Data normalization model, vibration mode, a good reference value, undergraduate graduation design topic, for beginners has reference significance, including eigenvalue and eigenvector extraction, training samples and the final recognition, D-S evidence theory data fusion.