chengxu

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.

数据简化，用于网格划分之后，为了计算速度，删掉一些平缓变化的数据(Data reduction for meshing and in order to calculate the speed, delete the data of some gentle changes in)

用于提取人脑颅骨的内外边界，能将头皮与脑组织全部舍去，主要用于颅骨修复领域。(Used to extract the boundaries of the human skull, mainly for skull repair area.)

mimo通信系统中空时编码处理书中所附的matlab仿真代码，供大家学习(mimo communication system of hollow-coded handle the book accompanying Matlab simulation code, for your learning)

时间序列的matlab变成 很详细的介绍(time series for matlab programming)

These codings are related to performance of mimo ofdm systems.

基于小世界网络的知识转移模型构造算法及源代码程序(Small-world networks based on the knowledge transfer model construction algorithm and source code program)

说明：  利用MATLAB计算两张图像的信息熵及其互信息.(calculate the entropy of information calculate the mutual information of two information.)

Norden E. Huang写的关于HHT变换的介绍及其相关问题(Norden E. Huang Transform to write an introduction on the HHT and related issues)

PSO算法的基本matlab代码，可供初学者学习，代码简单，易学易懂(PSO algorithm is the basic matlab code, for beginners to learn the code simple, easy to understand)