After the analysis of the auto-focus model, an experimenting hardware system composed of wide LCD screen projecting system and net-computers was built.

• 接着以大屏幕液晶投影系统以及联网PC机作为系统的实验硬件平台，Visual C++作为系统的软件平台得到投影系统的对焦结果分析，以实现自动对焦。