ASVM

基于灰色预测模型对旅游人数的预测matlab 灰色预测代码(Grey prediction model based on the forecast of tourist arrivals Grey code matlab)

system identification with regularized least squares

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) )

DMI EDITOR FOR WINDOWS GUI PLATFORM

应用多元高斯声束叠加方法建立粉末合金构件的声场模型(sound field simulation sound field simulation sound field simulation )

kalman滤波器的使用，对于学习kalman有很大的帮助。(kalman filter)

Vowel filter for matlab

吴寿章版最优控制中几个经典的题目给出了离散系统最优控制，最大值原理，动态规划等几个例题(WuShouZhang version of the optimal control of several classic topic has given discrete system optimal control, maximum principle, dynamic programming and so on several examples )

边缘检测代码。多种检测方法，包括梯度算法（多种窗），LOG算法，sobel算子等等(Edge detection code. A variety of detection methods, including gradient algorithm (multiple windows), LOG algorithm, sobel operator, etc.)

MATALB code to extract features from EEG signal