相关分析过程的matlab方法，BP神经网络用于函数拟合与模式识别，粒子图像分割及匹配均为自行编制的子例程。- Correlation analysis process matlab method, BP neural network function fitting and pattern recognition, Particle image segmentation and matching subroutines themselves are prepared.

仿真图是速度、距离、幅度三维图像，用于特征降维，特征融合，相关分析等,BP神经网络用于函数拟合与模式识别。- FIG simulation speed, distance, amplitude three-dimensional image, For feature reduction, feature fusion, correlation analysis, BP neural network function fitting and pattern recognition.