Poincare

说明：  二极管箝位式三电平逆变器。NPC三电平逆变器，绝对可以打开，我自己把负载什么的都调整好了。(Diode clamped three-level inverter.)

一个AR打地鼠游戏,用手机扫一扫可以出现打地鼠场景(a simple Ar game,it is interesting)

javascript播放视频列表，只支持ie6以上。firefox没有测试过。-javascript play video list

DOS下仿造WIN9X-DOS imitation WIN9X

基于卡尔曼滤波算法的运动目标检测，做视频车道线检测，动态车辆识别，行人检测的朋友可以参考一下(Based on Calman filter algorithm for moving object detection, do video lane detection, dynamic vehicle recognition, pedestrian detection friend can refer to.)

程序代码，用于简单的写入文本文件，比较基础，适合参考(Program code, for simple writing text files, more basic, suitable for reference)

蜂鸣器音乐演奏，有ppt说明，及实例工程文件。(Music buzzer, a ppt notes, and examples of engineering documents.)

基于MATLAB/simulink的详细LCC-HVDC的仿真模型(A detailed simulation model of LCC - HVDC based on MATLAB / simulink)

说明：  Fortran welding video sample

一阶声波方程波场模拟，采用的是交错网格，二阶精度，pml边界(A first-order wave equation of wave-field simulation, using the staggered grid, second order accuracy, pml boundary)