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说明：  ：针对PID参数复杂烦琐的整定过程这一问题，基于MATLAB／Simulink仿真环境，模拟工程稳 定边界法的PID参数整定策略和步骤，提出了一种简单有效的PID参数整定方法．与通常的整定方法 比较，其优点是非常直观、完全可视化操作、省去了编程的工作量．仿真结果表明该方法具有良好的收 敛性，使得控制系统动态性能得到有效改善，并且很大程度上减少了工作量．(Abstract：The process of PID parameters turning is complicated and time—consuming to engi— neering technician．To solve this problem．simulating the Z～ N method of engineering turn— ing，based on the MATLAB／simulink，a simple and eficient method for PID parameters turning is presented in this paper．Compares with the general methods，it has many advanta— ges，such as simplicity，visual manipulation，leaving out the workload of program and SO on． The simulation results show the effectiveness of this method and be fit for application in the engineering．)

复杂网络中的小世界网络的生成程序（small-world network program）(Complex network generation program of small-world networks (small-world network program))

模式识别。聚类分析算法，经调试可用，希望可用帮到需要的人。(Pattern Recognition. Clustering analysis algorithm used by the debugger, I hope can help people in need.)

说明：  kalman滤波，比较当过程噪声协方差Q和测量噪声协方差R取不用值时对卡尔曼滤波效果的影响(primary kalman filter.it shows how different R and Q aspect the reslut of kalman filter)

brute-force knn in matlab version

严格耦合波分析。可用于计算光栅的衍射效率。(Rigorous Coupled-Wave Analysis)

How to create exe file using Matlab

实现视频每一帧的读取，并实现视频的镜头分割(shot detection and segmetation)

Local binary patterns for images

微弱信号的检测和提取，用MATLAB语言实现，包括了小波法(Weak signal detection and extraction, using MATLAB language, including the wavelet method)