IsomapR1

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) )

遗传算法对PID参数寻优实现倒立摆控制。(these programms fulfil the GA methods to find the global optima of the control parameters for a pid controller of an inverted pendulum.)

三维TOA/AOA定位的泰勒级数展开最小二乘算法MATLAB源代码(Three dimensional TOA/AOA positioning Taylor series expansion least squares algorithm MATLAB source code)

为大家分享一段matlab小波去噪的源程序代码 希望对大家有帮助(To share a matlab wavelet denoising of the source code you want to help)

GOOD CODE WSN IT IS BASED ON ENERGY CONSIDERATION HOPE IT HELPS

this article illustrate how to use pattern recognition tool boxes in matlab

该程序可以实现信号的分形计算，从而求解出所求信号的分形函数，在信号非线性研究中有很重要的作用。(The program can calculate the fractal signal, thus solving the request signals a fractal function, the study of nonlinear signal has a very important role.)

说明：  MATLAB高阶谱工具箱,方便信号处理工作的完成.(MATLAB toolbox high-end spectrum to facilitate the completion of the signal processing.)

digital wartermarking 2D image from matlab source

产生与故障相关的随机数,包括故障名称，列车编号，车厢类型等，可随意增加。(Generate random numbers associated with the fault, including the fault name, train number, car type, etc., can be increased.)