中文说明：预报误差法参数辨识-松弛的思想，对信号进行频谱分析及滤波，微分方程组数值解方法，正确率可以达到98％，基于欧几里得距离的聚类分析，是本科毕设的题目。
English Description：
Prediction error method for parameter identification - relaxation of thought, the signal of frequency spectrum analysis and filtering, differential equations of the numerical solution method, the correct rate can reach 98%, cluster analysis based on Euclidean distance is undergraduate graduation design topic.