使用大量的有限元法求解偏微分方程，能量熵的计算，毕业设计有用，采用加权网络中节点强度和权重都是幂率分布的模型，对信号进行频谱分析及滤波。- Using a large number of finite element method to solve partial differential equations, Energy entropy calculation, Graduation useful Using weighted model nodes in the network stren