model_perturbatii

改善数字图像质量的滤波方法研究,内有中值滤波等多种去噪方法(To improve the quality of digital image filtering method, with a median filter denoising method, etc.)

说明：  带约束算子的粒子群算法，用于matlab环境，对于搞研究的教师有很大帮助(Operator Constrained Particle Swarm Optimization for the matlab environment, engage in research for teachers are very helpful.)

判断半正定矩阵与正定矩阵间的一种新的准则，gky方法是判定系统是否稳定的一种很有效的方法，里面有源代码和相应文档(Judge half positive definite matrix and the positive definite matrix, a new criterion between gky method is to determine whether the system stability of a kind of very effective method, there are source code and documentation accordingly)

可以实现多智能体编队，即多个分散智能体聚集到一块且相互之间保持一定的距离向前运动(Can achieve multi-agent formations that gathered more than a dispersion agent, and maintain a certain distance from each other moving forward)

Robust control for matlab

gps信号的产生及其干扰的MATLAB仿真。包括卫星星座编程，ca码生成，多普勒频移实现，gps信号生成，干扰噪声生成（宽带噪声，窄带噪声，单频噪声）(GPS signal simulation)

Generates the coordinates necessary for plotting an automatically sized 2D spring

小波分析是傅立叶分析思想方法的发展与延拓(Wavelet analysis is a Fourier analysis of the development and extension thinking)

matlab7的学习资料，清华出的书，一本很基础的资料，特别适合初学者(matlab7 learning materials, the university out of the book, a very basic information, especially for beginners)

常用图像质量评价方法的Matlab代码，其中有ssim + mse + psnr + qilv。(Image quality assessment method used Matlab code, which include ssim+ mse+ psnr+ qilv.)