amuse

均匀圆阵的二维music算法，有两个信号，采用meshgrid画图(Uniform circular array music algorithm, there are two signals, using meshgrid drawing)

直方图均衡法的MATLAB图，经过测试没有问题，绝对可以用，做图像的同学可以用来参考.大家可以下载下来在MATLAB中运行试试(Histogram equalization method of MATLAB figure, after test no problem, absolutely, can be used to do image can be used for reference)

说明：  潮流计算的仿真分析，主要是对于PQ分解法的讲解。(love fdskj d df ;lslfds;fs ;lfkdlsf;lks kf; lskf;lsdk;lf k;slf;s)

This is the code for line count and character count in a scanned page..

iBatis简单入门教程.简单描述了一个简单demo的书写.(iBatis Tutorial.A brief description of writing a simple demo.)

说明：  随机减量RDT法matlab程序，可用于提取信号中的自有衰减振动响应信号(Matlab random decrement process RDT method can be used to extract the signal attenuation of vibration signals of its own)

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) )

a matlab simulink simulation for sine wave generation

对语音信号进行处理，包括语音信号的维纳滤波，卡尔曼滤波等(Speech signal processing, including Wiener filtering a speech signal, Kalman filtering, etc.)

ofdm code ber matlab snr