中文说明：IDW距离反比加权方法，正确率可以达到98％，GPS和INS组合导航程序，Matlab实现界面友好，有CDF三角函数曲线/三维曲线图，包括数据分析、绘图等等。
English Description：
IDW distance inverse weighting method, the correct rate can reach 98%, GPS and INS combination of navigation procedures, Matlab to achieve a friendly interface, there are CDF trigonometric function curves / 3D curves, including data analysis, drawing and so on.