中文说明：应用小区域方差对比，程序简单，表示出两帧图像间各个像素点的相对情况，双向PCS控制仿真，部分实现了追踪测速迭代松弛算法，matlab程序运行时导入数据文件作为输入参数，插值与拟合，解方程，数据分析。
English Description：
Application of small regional variance contrast, the program is simple, to express the relative situations between two adjacent frames of each pixel, two-way, PCS control simulation, part of the implementation of the tracking velocimetry iterative relaxation algorithm, matlab program is running into data files as input parameters, interpolation and fitting. The solution of equation and data analysis.