能量熵的计算，部分实现了追踪测速迭代松弛算法，加入重复控制，现代信号处理中谱估计在matlab中的使用，通过反复训练模板能有较高的识别率，使用大量的有限元法求解偏微分方程。-Energy entropy calculation, Partially achieved tracking speed iterative relaxation algorithm, Join repetitive control, Modern signal processing used in the spectral estimation in matlab, Through repeated training viPGcLDlate have higher recognition rate, Using a large number of finite element method to solve partial differential equations.