matlabexamples

matlabk-means聚类多维数据分析(matlabk-means clustering multidimensional data analysis)

MATLAB模拟的电磁学时域有限差分法的配套程序(MATLAB simulation of electromagnetic hours FDTD matching program)

DWT-PCA (EVD) Based Copy-move Image Forgery Detection

数字信号处理应用matlab,包含了相关的多个内容，较为经典(Application of digital signal processing matlab, contains a number of related content, the more classic)

采样频率 fs=10000 轴承外环故障信号 fid=fopen( bearingout.dat , r ) 故障 N=1024 xdata=fread(fid,N, int16 ) fclose(fid) xdata=(xdata-mean(xdata))/std(xdata,1) 时域波形 figure(1) plot(1:N,xdata) xlabel( 时间 t/n ) ylabel( 电压 V/v ) db10小波进行4层分解 一维小波分解 [c,l] = wavedec(xdata,4, db10 ) 重构第1～4层细节信号 d4 = wrcoef( d ,c,l, db10 ,4) d3 = wrcoef( d ,c,l, db10 ,3) d2 = wrcoef( d ,c,l, db10 ,2) d1 = wrcoef( d ,c,l, db10 ,1) ( Sampling frequency fs = 10000 bearing outer ring fault signal fid = fopen (' bearingout.dat' , ' r' ) failure N = 1024 xdata = fread (fid, N, ' int16' ) fclose (fid ) xdata = (xdata-mean (xdata))/std (xdata, 1) time-domain waveform figure (1) plot (1: N, xdata) xlabel (' Time t/n' ) ylabel ( ' voltage V/v' ) db10 wavelet decomposition 4 layer one-dimensional wavelet decomposition [c, l] = wavedec (xdata, 4, ' db10' ) 1 ~ 4 reconstructed detail signal d4 = wrcoef (' d' , c, l, ' db10' , 4) d3 = wrcoef (' d' , c, l, ' db10' , 3) d2 = wrcoef (' d' , c, l, ' db10' , 2) d1 = wrcoef (' d' , c, l, ' db10' , 1) )

GPS卫星定位 利用广播星历计算卫星位置(Calculated using satellite position broadcast ephemeris)

用各种尺寸的掩模平滑图像,matlab源代码(Mask of all sizes with a smooth image, matlab source code)

用 matlab 编写的高斯随机表面的生成(using Matlab prepared by the surface of the Gaussian random generation)

function to define the jacobian

有关cognitive radio的内容,对matlab进行的模拟测试,希望对大家有所帮助(the cognitive radio the content of the Matlab simulation tests We hope to help)