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这是关于fastICA不定点算法的程序，运行环境为matlab，可实现盲信号分离(This is about non-fixed-point algorithm fastICA program, running environment for matlab, can realize blind signal separation)

针对均匀线列阵，当采用样本协方差矩阵求逆的方法时，得到的波束扫描估计方位谱。三个信号源(For uniform linear array, when using the sample covariance matrix inversion method, estimated by scanning the beam position spectrum. Three sources)

M=512 原图像长度 N=64 K=8 I=zeros(M,M) J=zeros(N,N) BLOCK=zeros(K,K) 显示原图像 I=imread( f:ceshiyuanshitu.bmp ) figure imshow(I) xlabel( 原始图像 ) 显示水印图像 J=imread( f:ceshilogistic_nuaa64.bmp ) figure imshow(J) xlabel( 水印图像 ) 嵌入水印 tem=1 for p=1:N for q=1:N x=(p-1)*K+1 y=(q-1)*K+1 BLOCK=I(x:x+K-1,y:y+K-1) BLOCK=dct2(BLOCK) if J(p,q)==0 a=-1 else a=1 end BLOCK(2,1)=BLOCK(2,1)*(1+a*0.01) BLOCK=idct2(BLOCK) I(x:x+K-1,y:y+K-1)=BLOCK end end 显示嵌入水印后的图像 figure imshow(I) xlabel( 嵌入水印后的图像 ) imwrite(I, f:ceshiembedded.bmp )

Matlab_基于角点信息和透视变换的图像镶嵌,可以对图像进行角点的处理和变化(Matlab_ Based on Corner of information and perspective transformation of the image mosaic, you can right corner of image processing and changes in)

piratical power curve for doubly fed wind turbine

在不同位置以不同角度显示 有木有 的MATLAB 程序(In different locations to different angles to show some wooden MATLAB program)

这是永磁同步电机的直接转矩控制，仿真结果表明性能良好，值得大家借鉴。(This is a direct torque control of permanent magnet synchronous motor, the simulation results show good performance, it is worth learning from.)

随机序列生产一维信号 用DB3小波进行二尺度分解 示范了dwt函数的用法 计算重构信号和原始信号的误差(Random sequence to produce one-dimensional signals DB3 wavelet decomposition of two-scale demonstrates the usage of computing functions dwt reconstructed error signal and the original signal)

MATLAB实现振动信号时域处理：频域低通和带通滤波，频域高通和带阻滤波(MATLAB implementation time domain vibration signal processing: frequency-domain low-pass and band-pass filtering, frequency domain high pass and band-stop filter)

matlab设计低通，带通，高通滤波器分别滤出信号。(matlab design low pass, band pass, high pass filter to filter out the signal, respectively.)