OFDmmimo

这个第四代移动通信中，OFDM－MIMO的例子，是vblast的仿真代码(The fourth-generation mobile communications, OFDM-MIMO example is VBLAST simulation code)

基于稀疏表示的高光谱图像分类的Fisher字典学习方法matlab代码(Hypersynthetic image classification based on sparse representation in Fisher dictionary learning matlab code.)

可视化编程语言MATLAB电子教程设计Visual programming language MATLAB Electronic Design Tutorials(Visual programming language MATLAB e-tutorial design Visual programming language MATLAB Electronic Design Tutorials)

线性调频信号的波形和其模糊函数，以及其模糊函数的图形。直观表示该信号的模糊函数(LFM waveform and the ambiguity function, and its ambiguity function of the graphics. Visual representation of the signal ambiguity function)

clear all I=imread( lena.bmp ) figure imshow(I) I2=imrotate(I,-4, bilinear ) 逆时针旋转4度 figure imshow(I2) I3=fliplr(I) 垂直镜像 figure imshow(I3) I4=imresize(I,0.5, bilinear ) 缩小为原图的1/2 figure imshow(I4) A=double(I) 转换为double类型 计算7个不变矩 [nc,nr]=size(A) [x,y]=meshgrid(1:nr,1:nc) 得到网格 x=x(:) y=y(:) A=A(:) m.m00=sum(A) if m.m00==0 m.m00=eps end m.m10=sum(x.*A) m.m01=sum(y.*A) 计算均值 xmean=m.m10/m.m00 ymean=m.m01/m.m00 计算中心矩(li9_23.rar cm.cm00=m.m00 cm.cm02=(sum((y-ymean).^2.*A))/(m.m00^2) cm.cm03=(sum((y-ymean).^3.*A))/(m.m00^2.5) cm.cm11=(sum((x-xmean).*(y-ymean).*A))/(m.m00^2) cm.cm12=(sum((x-xmean).*(y-ymean).^2.*A))/(m.m00^2.5) cm.cm20=(sum((x-xmean).^2.*A))/(m.m00^2) cm.cm21=(sum((x-xmean).^2.*(y-ymean).*A))/(m.m00^2.5) cm.cm30=(sum((x-xmean).^3.*A))/(m.m00^2.5) im(1)=cm.cm20+cm.cm02 im(2)=(cm.cm20-cm.cm02)^2+4*cm.cm11^2 im(3)=(cm.cm30-3*cm.cm12)^2+(3*cm.cm21-cm.cm03)^2 im(4)=(cm.cm30+cm.cm12)^2+(cm.cm21+cm.cm03)^2 im(5)=(cm.cm30-3*cm.cm12)*(cm.cm30+cm.cm12)... *((cm.cm30+cm.cm12)^2-3*(cm.cm21+cm.cm03)^2)... +(3*cm.cm21-cm.cm03)*(cm.cm21+cm.cm03)... +(3*(cm.cm30+cm.cm12)^2-(cm.cm21+cm.cm03)^2) im(6)=(cm.cm20-cm.cm02)*((cm.cm30+cm.cm12)^2-(cm.cm21+cm.cm03)^2)... +4*cm.cm11*(cm.cm30+cm.cm12)*(cm.cm21+cm.cm03) im(7)=(3*cm.cm21-cm.cm03)*(cm.cm30+cm.cm12)... *((cm.cm30+cm.cm12)^2-3*(cm.cm21+cm.cm03)^2)... +(3*cm.cm12-cm.cm30)*(cm.cm21+cm.cm03)... *()

matlab宝典,电子工业出版社,包含该书的源码2-4章，第2章MATLAB基础知识第三章数值运算第4章数据分析 (Matlab, the book electronics industry Press, the book contains chapters 2-4 source, Chapter 2 MATLAB basic knowledge of numerical calculation, the third chapter, Chapter 4 Data Analysis)

全国大学生数学建模比赛赛前练手，2011年B题附件2.(National Mathematical Contest in Modeling practice before hand, 2011 B title in Annex 2.)

matlab资料汇总，内含有基本使用手册以及详细的进阶过程，适合初学者以及放在手边随时使用(matlab data collected, as well as a detailed manual contains basic advanced course is suitable for beginners as well as at hand ready for use)

Normalized Cuts，数据分类，matlab，C++，C语言混合编程程序，图像分割，光谱聚类(Normalized Cuts, data classification, matlab, C++, C mixed-language programming procedures, image segmentation, spectral clustering)

基于 嵌 入式系 统 理 论和 容 错系 统 体系 结 构， 结 合故障 一 安 全电 路的 设计 理念， 给出 了 一 种 嵌 入式 二乘 二 取 二容 错计算 机 联锁系 统的 硬件 设计. 深 入阐 述了 系 统 硬件电 路的 设计理论依据和工 作原 理， 同 时 给出了 设计中 的 元 件选型. 通过功能 测试， 系 统设计符 合故障 一 安全的 设计原则， 理论 计 算 表明， 其可 靠 性、 安全 性 达 到 铁 路 信号系 统 要求(Based on the theory of embedded systems and fault-tolerant system architecture, combining design fail-safe circuitry, gives a socketed Take two squares two-in fault-tolerant computer interlocking system hardware design. Further expounded on system hardware circuit design theory and work Design principles for the principle, and gives the design of the component selection through functional testing, failure of a safety system designed to meet the theoretical Calculations show that the reliability, security, railway signaling system requirements to achieve)