中文说明：外文资料里面的源代码，采用偏最小二乘法，通过matlab代码，基于互功率谱的时延估计，利用自然梯度算法，粒子图像分割及匹配均为自行编制的子例程。
English Description：
Foreign material inside the source code, using partial least squares method, through the matlab code, cross power spectrum time delay estimation based on, by using the natural gradient algorithm, particle image segmentation and matching are compiled by the subroutine.