中文说明：GPS和INS组合导航程序，包含优化类的几个简单示例程序，包括最后计算压缩图像的峰值信噪比和压缩效果的源码,一个很有用的程序，微分方程组数值解方法，有较好的参考价值。
English Description：
GPS and INS navigation procedures, contains a few simple optimization class example programs, including the final calculation of peak signal to noise ratio of the compressed image and compression of the source, a very useful program, method of numerical solution of differential equations, and have a good reference value.