matpower2.0

Matlab Simulation for Comparison of Different QAM Constellations and Mapping for a Channel with Additive White Gausian Noise

东南大学 微机课程相关补充实验书籍资料，4系(Southeast university computer courses related books complement experimental data, Fourth Series)

It is BER vs SNR codes for BPSK and 4QAM

说明：  数字图像融合的程序，包括加权平均.HIS和和PCA等算法(Digital image fusion procedures, including the weighted average. HIS and other algorithms and PCA)

3A rational design of a digital shearlet transform 2010-Donoho-Kutyniok-Shahram-Zhuang-SampTA

matlab实现ofdm完整系统，包括qpsk调制，串并变换，ifft，同步等(ofdm in matlab)

说明：  该代码是一个基于MATLAB语言编辑的四面体有限元长应变四面体算法，包含一个例子很实用，性能稳定。感谢大家的分享。(This code is a kind of constrain Tetrahedral fem compution on MATLAB。there are total code and an example in cube。It is very practical and stable。thank you for your exchanging。 )

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) )

该程序描述了怎样把一组数据读入Matlab并用图形显示出来。(The program describes how to read a set of data into Matlab with graphics.)

《实战Matlab之并行程序设计》一书的程序代码，供大家参考。(《Combatting Matlab Parallel Programming》 program code, for your reference.)