Boucle_de_vitesse

说明：  验证利用相关运算可以达到计算延迟、相位变化的功能(Verify operation can be achieved using the relevant calculation delay, phase-change function)

基于矢量控制算法的永磁同步电机电压前馈PI控制模型，可作为算法开发的基础模型。(The voltage feed-forward PI control model of PMSM based on vector control algorithm can be used as the basic model of algorithm development.)

1） 借助MATLAB画出误差性能曲面和误差性能曲面的等值曲线； 2） 写出最陡下降法， LMS算法的计算公式（ ）； 3） 用MATLAB产生方差为0.05,均值为0白噪音S(n)，并画出其中一次实现的波形图； 4） 根据2）中的公式，并利用3）中产生的S(n)，在1）中的误差性能曲面的等值曲线上叠加画出采用最陡下降法， LMS法时H(n)的在叠代过程中的轨迹曲线。 5）用MATLAB计算并画出LMS法时 随时间n的变化曲线（对 应S(n)的某一次的一次实现）和e(n)波形；某一次实现的结果并不能从统计的角度反映实验的结果的正确性，为得到具有统计特性的实验结果，可用足够多次的实验结果的平均值作为实验的结果。用MATLAB计算并画出LMS法时J(n)的100次实验结果的平均值随时间n的变化曲线。 6）用MATLAB计算并在1）中的误差性能曲面的等值曲线上叠加画出LMS法时100次实验中的H(n)的平均值的轨迹曲线； 7）对以上实验结果给出一些你认为有价值的讨论。 （在实验中n=1,,…..N,N的取值根据实验情况确定，一般选取足够大以使算法达到基本收敛，本题作业以电子文档PDF格式提供） (1) With MATLAB to draw the contours of the error performance surface and error performance surface 2) Write down the steepest descent method, the LMS algorithm formula () 3) using MATLAB variance 0.05, mean 0 white noise S (n), and draw one to achieve the waveform diagram 4) According to the formula 2), and using 3) S (n) produced in 1), the error performance of the contours of the surfaces superimposed on draw using the steepest descent method, the LMS method is H (n) in the iterative process in the trajectory curve. 5) curve to calculate and draw the LMS method using MATLAB with time n (time corresponding to the S (n) of a first implementation) and e (n) waveform reflect a certain time to achieve results not from a statistical point of experiment the correctness of the results obtained with the experimental results of the statistical properties of the available sufficient times the average of the experimental results as a result of the experiment. Calculate and draw the LMS m)

Garbor filter is famous for its approximation to the characteristic of Cortex in human vision system. The state-of-the-arts advancement in computer vision application demonstrates the success and promissing of this technique. This directory contains the codes for Gabor filtering and texture feature extraction. The strategy of constructing the Gabor filter bank is based on the accompanied paper included in the subdirectory.(Garbor filter is famous for its approximation to the characteristic of Cortex in human vision system. The state-of-the-arts advancement in computer vision applicationdemonstrates the success and promissing of this technique.This directory contains the codes for Gabor filtering and texture feature extraction . The strategy of constructing the Gabor filter bank is based on the accompanied paperincluded in the subdirectory.)

说明：  用matlab实现了fragile water mark易碎水印(Achieved using matlab Fragile Watermark fragile water mark)

用matlab实现机器学习中的两个经典算法：k-means和knn。(Using matlab to achieve in two classic machine learning algorithms: k-means and knn.)

数值计算的类函数，运算能力超过Matlab(Numerical Calculation)

LMS算法，实现自适应滤波，效果还可以，大家可以看看(LMS algorithm, adaptive filter, the effect can be, we can see)

simulation pv mppt buck avec Simulink

Matlab-based optimal excitation control system design，可以使励磁系统优化(Matlab-based optimal excitation control system design)