DFIG

调速 pwm 用滑动变阻器调整占空比调直流电机速显示(Adjustment of duty ratio DC motor speed indication by sliding rheostat)

一篇总结了当前大多数椭圆拟合方法的文章，并进行了深度分析，提出了改进的方法，适用于初学者进阶阅读。-1 summarizes the most current methods of ellipse fitting articles and in-depth analysis, put forward an improved method, applicable to advanced beginners to read.

实现basys3板子的串口通信，内容非常纤细，还带有数码管显示(Realization of serial communication of basys3 board)

说明：  pdf文件通过python fitz 第三方库 转化成jpg或者png图片文件。(Pdf files are converted into JPG or PNG image files through Python Fitz third-party library.)

说明：  51单片机中点亮第一个灯的c程序在压缩包中包含c程序和keil工程等等，需要的可自行打开观看(The C program that lights the first lamp in the 51 single chip computer includes C program and keil project in the compression package. It can be opened and watched by itself if needed.)

ASP program to add registration details to database

abaqus网格到flac3d网格转换,仅支持实体单元，结构单元不能识别(translate flac3d model from abaqus model)

说明：  重油燃烧机理chemkin机理文件，反应步数较多，需要较大服务器计算(Heavy oil combustion mechanism chemkin mechanism file, more reaction steps.)

MATLAB矩阵位移法计算桁架节点位移，结构力学大作业(Calculation of displacement of truss joints by MATLAB matrix displacement method)

C# 使用进程名禁止程序运行多次， 　　string moduleName = Process.GetCurrentProcess().MainModule.ModuleName; //获取当前活动进程的模块名称 　　string processName = System.IO.Path.GetFileNameWithoutExtension(moduleName);//返回指定路径字符串的文件名 　　Process[] processes = Process.GetProcessesByName(processName);//根据文件名创建进程资源数组 　　if (processes.Length > 1)//如果该数组长度大于1，说明多次运行 　　{ 　　 MessageBox.Show("本程序一次只能运行一个实例！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);//弹出提示信息 　　 this.Close();//关闭当前窗体 　　}