中文说明：主要是基于mtlab的程序，本科毕设要求参见标准测试模型，现代信号处理中谱估计在matlab中的使用，计算加权加速度,用于建立主成分分析模型，数据模型归一化，模态振动。
English Description：
Is mainly based on MTLAB procedures, undergraduate graduation design requirements refer to the standard testing model, modern signal processing in spectrum estimation in MATLAB, calculate the weighted acceleration for a principal component analysis (PCA) model and data normalization model, modal vibration.