差分求拉普拉斯方程，电磁问题的经典算法，涉及实际的工程，计算了电位分布和阻抗。-Laplace equation

利用差分参考站和用户相对于导航卫星位置不同,引起了电波穿越电离层处的垂直TEC和角度不同是产生这种残差的主要原因,提出了一种改进的伪距差分算法并给出了定位算法。-Using differential reference station and the user with respect to the different navigation satellite position, causing the radio wave through the ionosphere at vertical

一维可压缩黏性流动是气体动力学中最经典的黏性流动问题，对它采用迎风型 差分算法进行数值求解。-One-dimensional viscous compressible gas flow dynamics in the most classical viscous flow problems, it uses upwind difference method for numerical solving.

差分伪距修正算法。应用于GPS导航的伪距差分算法，包含基准站、用户站的具体算法-Differential pseudorange correction algorithm. For GPS navigation pseudo-range differential algorithm, including the base station, subscriber station specific algorithm