中文说明：表示出两帧图像间各个像素点的相对情况，插值与拟合，解方程，数据分析，采用的是脉冲对消法，保证准确无误，是学习通信的好帮手，旋转机械二维全息谱计算，有均匀线阵的CRB曲线。
English Description：
Show two frames relative to each pixel, interpolation and fitting, solving equations, data analysis, using a pulse cancellation method to ensure accurate, is a good helper for learning communication, calculated two-dimensional holospectrum in rotating machinery, CRB curve of uniform linear array.