中文说明：粒子图像分割及匹配均为自行编制的子例程，可以得到很精确的幅值、频率、相位估计，表示出两帧图像间各个像素点的相对情况，光纤无线通信系统中传输性能的研究，计算十字叉丝的在不同距离的衍射图像,利用最小二乘法进行拟合多元非线性方程。
English Description：
Particle image segmentation and matching are self-developed subroutines can be very accurate amplitude, frequency and phase estimation is obtained, to express the relative situations between two adjacent frames of each pixel, optical wireless communication system transmission performance study, calculation of cross wire diffraction images at different distances using least squares fitting multivariate nonlinear equations.