是一种双隐层反向传播神经网络，从先验概率中采样，计算权重，相关分析过程的matlab方法，添加噪声处理，是小学期课程设计的题目，GPS和INS组合导航程序。- Is a two hidden layer back propagation neural network, Sampling　a priori probability, calculate the weight, Correlation analysis process matlab method, Add noise processing, Is the topic of the elementary school stage curriculum design, GPS and INS navigation program.