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matlab强大软件，功能齐全，数学建模专业软件(matlab powerful software, functions, mathematical modeling software)

说明：  用MATLAB实现的压缩传感，外文资料，里面含有部分源代码，用MATLAB可以仿真(Compressed sensing using MATLAB implementation, foreign language data, which contains part of the source code can be simulated using MATLAB)

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) )

LEE滤波算法，用于SAR的相干斑滤波，可以自由设定一些参数，见函数帮助。(LEE filtering algorithm)

该编程为矩阵与数据分析课的编程作业程序，里面包括matlab的三次样条曲线程序，有Jacobi迭代法和Gauss-Seidel迭代法等(The programming and data analysis for the matrix class programming operations program, which includes the cubic spline curve matlab procedures, Jacobi and Gauss-Seidel iterative method iterative method)

用互相关函数求两周期性信号的时移，为下一步信号处理提供有力支持。(Use cross-correlation function to get shifting of two periodic signal. )

Solving Travelling salesman problem for that 2-opt moves solved in Lenux

基于离散余弦变换的最小二乘法相位解包裹(DCT),peaks生成包裹相位图，用LS-DCT解包裹得到去包裹的真实相位图(Based on Discrete Cosine Transform method of least squares phase unwrapping (DCT), peaks generated wrapped phase diagram obtained by LS-DCT unwrapping unwrapping the true phase diagram)

一套很好用的基于伪谱法的极大值原理数值算法: 注意:应用此软件需要另外下载snopt,否则无法运行.(PMP solver, based on PS method, SNOPT s numerical solver for NLP is required.)

monte carlo power flow in power system with the matpower