pca

信号的短时傅立叶变换，paper2_2_1为主程序，仿真不同窗长下短时傅立叶变换的时频聚集度。stftxz为修正的短时傅立叶变换。(Short-time Fourier transform signals, paper2_2_1 main program, the simulation under different window length short time Fourier transform of the frequency of aggregation. stftxz to correct short-time Fourier transform.)

用拉格朗日乘子法求解约束最优化问题，很好的实例程序。(Lagrange multiplier method for solving constrained optimization problems, very good example programs.)

sobel edge detection in matlab

考虑频率偏移的OFDM仿真程序,直接根据经典参考文献编写(Consider the frequency offset of OFDM simulation program, directly from the classic reference preparation)

伺服系统非线性Lugre摩擦力模型仿真 matlab(servo system Lugre friction model nonlinear simulation Matlab)

non-parametric identification

matlab coding here attached fo rpi sigma neural networks

阶梯JGPC（JGPC参见北航《系统辨识与自适应控制MATLAB仿真》一书）MATLAB程序，加入了控制量的约束。(The stair-like JGPC program with MATLAB, the control has constraint in program.)

利用粗糙集实现对数据的清洗，清洗掉无效的数据(he use of rough set to achieve the data cleaning, cleaning out invalid data)

借鉴了主成分分析算法（PCA），IMC-PID是利用内模控制原理来对PID参数进行计算，数据模型归一化，模态振动。( It draws on principal component analysis algorithm (PCA), The IMC- PID is using the internal model control principle for PID parameters is calculated, Normalized data model, modal vibration.)