BuildFBITree

说明：  Hardware book for students

u can calculate DCT clc inp = imread( Im1.jpg ) inp1 = imread( Im2.jpg ) A = double(inp(:,:,1)) B = double(inp1(:,:,1)) A1=double(blkproc(A,[8 8], dct2 )) B1=double(blkproc(B,[8 8], dct2 )) [r,c] = size(A1) r1 = [] for i=1:r for j=1:c if A1(i,j) > B1(i,j) r1(i,j)=A1(i,j) else r1(i,j)=B1(i,j) end end end r1= double(r1(:,:,1)) C=blkproc(r1,[8 8], idct2 ) round(C) C1=idct2(r1) figure imshow(uint8(C)) figure imshow(uint8(C1)) imwrite(uint8(C), dct8x8min.jpg )

说明：  OFDM仿真程序，在matlab环境下运行，此为记事本文件，复制到matlab的M文件即可运行。(OFDM simulation program, run in the matlab environment, this is Notepad file, copy it to matlab to run M-files.)

matlab新手入门学习基础以及熟练精通掌握(matlab beginners to learn basic and proficient proficient)

定义surface distance， matlab 代码，可以运行，计算两个曲面 球面之间的距离(surface ellipsoid distance calculation )

汽车制动防抱死系统的MATLAB/SIMULINK仿真模型，通过门限值作用(MATLAB/SIMULINK simulation model of automobile anti-lock braking system, through the threshold effect)

用遗传算法解决旅行商问题，是比较简单的一个程序，但可以运行。(a procedure about GA applied in solving TSP problem)

参考Matlab提供的模块建立简化的三相锁相环的仿真模型，只保留必要的步骤，如abc-dqz只计算Vq，去除频率反馈模块和自动参数调整模块等。 建立单相锁相环的计算模型  简化单相锁相环的系统结构，保留必要的PI控制器等模块  验证并讨论输入信号频率在45-65Hz变化时设计的锁相环的动静态性能  仿真并分析三相输入信号包含谐波、不平衡和直流偏移时锁相环的锁相结果(Reference Matlab provides three-phase PLL module to establish a simplified simulation model, retaining only the necessary steps, such as abc-dqz counting only Vq, remove frequency feedback module and automatic parameter adjustment module.  simulation and analysis of the three-phase input signal contains harmonics, unbalance and DC offset PLL phase-locked Results)

Precision analysis of GPS_BDS baseline solution

编写了利用MATLAB计算任意桁架的静力分析，得到各杆的应力和各结点的位移，并画出变形前后的桁架图(The static analysis of arbitrary truss is made by using MATLAB, the stress of each rod and the displacement of each node are obtained, and the truss diagram before and after deformation is drawn)