aljabar-boole-2-(5)

用短时平均能量值对干净的语音信号进行检测，可以区分语音和非语音部分(With short time average energy value to test the clean speech signal, can distinguish between voice and non-voice part )

在转速为48K/min时，外圈故障的几个时域波形(In speed for 48 k/min, rolling body several time domain waveform )

直流斩波升压电路仿真 输出波形符合要求 从50V升到200 占空比0.6(DC boost chopper circuit simulation output waveform to meet the requirements)

基于非线性动力学的混沌研究Chaos research based on nonlinear dynamics(Chaos research based on nonlinear dynamics)

MATLAB 实现的概率矩阵分解，可以用于社交网络推荐，将评分矩阵分解为两个低维的用户和商品特征矩阵。代码中需要在load位置添加自己试验所需的数据集。(MATLAB realization probability matrix decomposition can be used for social networking recommendation, the scoring matrix is ​ ​ decomposed into two low dimensional feature matrix of users and commodities. The code you need to add their own data sets required for the test load position.)

用于Matlab的hispice仿真程序， 图形界面(Hispice for the Matlab simulation program, a graphical interface)

M=512 原图像长度 N=64 K=8 I=zeros(M,M) J=zeros(N,N) BLOCK=zeros(K,K) 显示原图像 I=imread( f:ceshiyuanshitu.bmp ) figure imshow(I) xlabel( 原始图像 ) 显示水印图像 J=imread( f:ceshilogistic_nuaa64.bmp ) figure imshow(J) xlabel( 水印图像 ) 嵌入水印 tem=1 for p=1:N for q=1:N x=(p-1)*K+1 y=(q-1)*K+1 BLOCK=I(x:x+K-1,y:y+K-1) BLOCK=dct2(BLOCK) if J(p,q)==0 a=-1 else a=1 end BLOCK(2,1)=BLOCK(2,1)*(1+a*0.01) BLOCK=idct2(BLOCK) I(x:x+K-1,y:y+K-1)=BLOCK end end 显示嵌入水印后的图像 figure imshow(I) xlabel( 嵌入水印后的图像 ) imwrite(I, f:ceshiembedded.bmp )

Document on methods of RS encoding

说明：  matlab多用户传输仿真，用于UWB中(Matlab multi-user transmission simulation, which for UWB)

EKF的纯净程序，没有夹杂其他信息，本人经过测试，可以放心使用(EKF pure process, not mixed with other information, I tested, safe to use)