zuoye11_1

说明：  基于小波变换与正交匹配准备恢复算法的稀疏恢复算法试验(Orthogonal wavelet transform algorithm is ready to resume Test match)

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) )

基于MATLAB的msk调制解调仿真代码，画出了性能曲线。(The MSK modulation demodulation simulation based on MATLAB code, and draw the performance curve.)

变步长LMS自适应滤波算法的MATLAB程序，很好用，我已经试过了(Variable step size LMS algorithm MATLAB procedures, very good, I' ve tried)

matlab已调好，并加上了注释。希望对大家有帮助！(matlab)

实现雷达系统中7位巴克码的调相信号的回波接收系统的matlaB程序(Radar system seven Barker code modulation signal receiving system matlaB echo procedures)

MATLAB中介绍简要的降低PAPR的pts编码方案，并给出了源码(Briefly described in MATLAB PAPR reduction coding scheme, and gives the source)

一个add文件，里面有matlab和vc接口实例。 用vc打开使用(Add a file, there are instances of matlab and vc interfaces. Open to use with vc)

matlab实现图论中的Prim算法,Dijkstra算法,注释清晰，另外附有报告。(matlab realize Prim algorithm of graph theory, Dijkstra algorithm, clear notes and reports.)

几种不同阈值去噪方法的程序仿真代码，可以很好的进行消噪。( kings of THR denoising)