ekf_3dcv_filter_TEST

说明：  多信号模型在故障诊断中的应用Multi-signal model in fault diagnosis(Multi-signal model in fault diagnosis)

：滤波 fs=400 采样频率,必须大于两倍基带信号最高频率 ts=1/fs 采样时间间隔 T=5 时间窗大小 t=0:ts:T (hf1=zeros(1,N) hf1(f<=B1&f>=-B1)=1 y1=hf1.*fftshift(y) figure subplot(211) plot(f,abs(fftshift(y))/N,f,hf1, r-- ) axis([-fs/2,fs/2,0,1.2]) title( 原信号频谱 ) xlabel( f /Hz ) subplot(212) plot(f,abs(y1)/N) title( 低通滤波，截止频率90Hz ) xlabel( f /Hz ))

主成分分析是设法将原来众多具有一定相关性（比如P个指标），重新组合成一组新的互相无关的综合指标来代替原来的指标。(Principal Component Analysis，PCA)

一个按照时间抽取的基2快速傅里叶变换（基2FFT-DIT）。输入倒位序，输出自然顺序。(A time taken by the base 2 fast Fourier transform (base 2FFT-DIT). Enter the inversion sequence, the output of natural order.)

pid controller for AQM router

Compressive Sensing： 从时域稀疏性和频域稀疏性两个不同角度实现基于MATLAB的压缩感知原理性能.对于Compressive Sensing 初学者有着极大的帮助。(Compressive Sensing： Based on MATLAB, codes realize CS theory from Time-Sparsing and Frequency-Sparsing field.It s really helpful for those who are fresh in CS field.)

去雾算法，包括了matlab代码，和几个可以使用的exe文件(Defogging algorithm)

模拟退火算法，计算复杂函数极值，可以通过这个函数计算最值，得出最优解(Simulated annealing algorithm, the computational complexity of the function extreme value, you can calculate the value of this function, the optimal solution)

这是一本matlab入门的书，由大牛周建兴编写，比较适合初学matlab的人，主要讲述了基本的编程规则以及技巧。(This is a matlab-entry book, written by Daniel Zhou Jianxin, more suitable for beginners Matlab, focuses on the basic programming rules and techniques.)

该压缩包包含了“信号与系统分析及MATLAB实现”一书的所有程序； (The archive contains a " signal and system analysis and MATLAB to achieve" a book of all programs )