PCA

提供各种材料和能量的X射线和伽玛射线光子的吸收衰减。(Provides the attenuation and energy absorption of x-ray and gamma-ray photons in various materials.)

组合需要读取的图像文件直接路径和间接路径，读取jpg图像，并计算压缩图像和无压缩图像的均方值和LMSE(Combination needs to read the image files of the direct path and indirect path, to read the jpg image, and calculate the mean square value of compressed images and uncompressed images and LMSE)

基于BP神经网络的R实现，改进了BP神经网络，可运行。(R implementation based on BP neural network)

This is an efficient implementation of the algorithm for calculating the universal image quality index proposed by Zhou Wang and Alan C. Bovik. Please refer to the paper "A Universal Image Quality Index" by Zhou Wang and Alan C. Bovik, published in IEEE Signal Processing Letters, 2001.

copula时间序列模型在金融领域的应用(copula time series model applied in the financial sector)

改变AVI视频文件的分辨率，并自动生成改变大小后的avi文件(change the size of avi file, and automatically generate a avi file that have been resized.)

说明：  bp神经网络算法的matlab源代码，挺有用的。(bp neural network algorithm matlab source code, quite useful.)

分形研究的若干问题及动向，对于研究不规则信号有一定的帮助(The fractal research issues and trends , some help for the study of irregular signals )

HHT工具箱，希尔伯特黄变换用的工具箱和emd程序代码(HHT toolbox, EMD decomposition of essential things, Hilbert-Huang Transform toolbox and program code used emd)

说明：  MPC模型建立的代码，可直接运行，已修改(The code established by MPC model, which can be run directly, has been modified)