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c编程设计系统软件工具箱的经典代码c Programming software toolbox classic code(c Programming software toolbox classic code)

这是基于QT实现的TCP服务器，亲测有效。(Implementation of TCP Server Based on QT)

编写的DES 对称加解密技术，可随时进行明文密文之间的转换，有需要的朋友可以下载测试！本人目的打算对后台数据库的敏感信息字段用该方法加密，然后用软件权限控制读取，这样即使直接SQL后台取数，也得不到明文数据。(Write DES symmetrical encryption technology, may at any time for conversion between plaintext cipher, friends in need can be download test! I purpose going to the backstage database of sensitive information field with the method of encryption, and then use software to read access control, so even if the SQL backend access directly, also can not get clear data. )

先进行图像预处理，比如Hough变换，边沿检测，还有差影法，模板提取 ，识别，跟踪，最后是模板匹配。(First image preprocessing, such as the Hough transform, edge detection, as well as poor shadow method, template extraction, identification, tracking, and finally the template matching.)

这是一款用于测试有关于MUDBUS协议的软件，对于初学者也是不错的选择(MUDBUS is a great tool for testing the MUDBUS protocol)

二极管箱位型三相三电平PWM整流器主电路拓扑 上用DSP28335实现svpwm波(With DSP28335 achieve svpwm wave diode box-type three-phase three-level PWM rectifier main circuit topology)

这是一个TFTP协议，允许客户端读取远程文件。

%  高等电磁理论 第一次作业%  %  设带电小圆柱几何中心为坐标原点，长轴为z轴% % 圆柱参数clear;clf;clc;cR=0.5;    % 半径cL=4;    % 长度cRho=1;  % 电荷密度cK=1;    % 系数% 坐标轴[crdX,crdY,crdZ]=meshgrid(-5:1:5);% 求电势ticphi=(cRho/cK)*arrayfun(@(cX,cY,cZ)quadl(@(x)arrayfun(...    @(zz)quad2d(@(y,x)1./sqrt((cX-x).^2.+(cY-y).^2.+(cZ-zz).^2),...    -cR, cR, @(y)-sqrt(cR^2-y.^2), @(y)sqrt(cR^2-y.^2)), x), -cL/2, cL/2), crdX, crdY, crdZ);toctic[u,v,w]=gradient(-phi); % 对电势求梯度得到电场

用stm32f103实现adc多路输入，并使用到dma(Adc with stm32f103 achieve multi-channel input, and use the dma)

stm8单片机实现了控制bldc轮毂电机的控制，用了6个mos管，采用六部控制，里面有 pcb sch 和程序，可以用此资料改装成电动自平衡独轮车(Stm8 microcontroller realized control BLDC hub motor control, with 6 mos tube, using six control with Sch and PCB program, this information is converted into electric self balancing unicycle)