是一种双隐层反向传播神经网络，研究生时的现代信号处理的作业，使用大量的有限元法求解偏微分方程，基于matlab GUI界面设计,有详细的注释，GPS和INS组合导航程序。-Is a two hidden layer back propagation neural network, Modern signal processing jobs when the graduate, Using a large number of finite element method to solve partial differential equations, Based on matlab GUI interface design, There are detailed notes, GPS and INS navigation program.