文献实现的PCA特征提取算法matlab开发源码

matlab ϵͳ

用于进行声压转换的matlab文件，声压数据来源于ansys软件的计算后导出来的。(Used for sound pressure to convert matlab file, sound pressure data from the calculation software ansys guide out.)

利用DFT法求周期信号的功率谱,实现离散傅立叶变换DFT,最后分析得到频谱幅度.(DFT method using the power spectrum of periodic signals seeking to achieve the Discrete Fourier Transform DFT, the final analysis, amplitude spectrum obtained)

ALM fo Robust PCA,实现RPCA(ALM fo Robust PCA)

两电平SVPWM仿真详细介绍，包括原理的讲解和各个模块的搭建。(The two level SVPWM)

système à retard PID

共９个程序，通过实验熟悉如何使用MATELAB来编程，该程序可以实现最小拍有纹波、最小拍无纹波、数字PID和大林算法(a total of nine procedures, experimental MATELAB familiar with how to use programming, The procedure can be achieved with minimum ripple film, the smallest ripple-free digital, digital PID algorithm and Dalin)

Normal ECG test taken on 250 Hz (sampling frequency) You can use in order to obtain (and compare) the stress (from HRV) (compare with ecg stroop & ecg matematica )

讲述了机械故障诊断中一些理论知识，如现在常用的HHT，对初学者有帮助。(Tells the story of some mechanical fault diagnosis theory of knowledge, such as the now commonly used HHT, help for beginners.)

TO FIND HISTOGRAM OF AN IMAGE