GPS和INS组合导航程序，基于互功率谱的时延估计，基于matlab GUI界面设计,快速扩展随机生成树算法，关于神经网络控制，基于人工神经网络的常用数字信号调制。- GPS and INS navigation program, Based on the time delay estimation of power spectrum, Based on matlab GUI interface design, Rapid expansion of random spanning tree algorithm, On neural network control, The commonly used digital signal modulation based on artificial neural network.