plot_CCD2

matlab模拟的树形分形图，可方便快捷的理解分形理论，学习数学迭代关系(matlab)

to get the solution of Orr-Sommerfeld equation

Matlab for Digital Signal Processing. Over the past several decades the field of DSP has grown to be important both theoretically and technologically. A major reason for its success in industry is due to the development and use of low-cost software and hardware.

This is a file for calculating the weighted PSNR in matlab

说明：  冈萨雷斯（matlab）书中源代码全载。(Gonzalez (matlab) the book contains all the source code.)

说明：  张智星编著的MATLAB程式设计与应用一书电子版。详述了Matlab的命令及技巧，针对出现的问题进行了说明和逐一演示。(Edited by Zhang Zhi stars of the MATLAB program design and application of the electronic version of a book. Matlab order details and techniques, in view of the problems described, and each presentation.)

ieee14节点模型在matlab 上运行相信对你有一点的帮助(ieee 14bus)

Microwave Attenuation Vs Fc

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) )

algorithm for speech enhancement