中文摘要：

为了满足通信工程专业实验教学的改革和创新需要,构建了一个基于ARM和WiFi的视频传输实验系统.该系统由不同的功能模块组成,实现前端视频采集、视频压缩、网络传输、视频播放等功能.文中给出了系统的总体结构,重点介绍了系统各个模块的实现方法,给出了系统的软件实现流程和实验结果.实验结果表明,此系统操作简单,具有良好的移植性、可重用性和扩展性,能够实现视频.的无线传输.学生可以利用该系统进行创新型实验,加深对无线通信网络协议和多媒体通信课程的理解.该系统已经投入教学试用,并取得了良好的效果.

英文摘要：

To meet the needs of the communications engineering experiment teaching reform and innovation,a kind of ARM9-based platform and WiFi wireless video transmission system is constructed.The system is made up of different function modules,and the front USB video capture,video compression,network transmission and video playback functions are realized based on software.The overall structure of the system is presented,the key realization of the system modules is introduced,and the system implementation process and results of the system are given.The system operation is simple,and has a good transplant,reusability and expansibility.It is able to realize the wireless transmission of video data.Students can use the system to carry out the innovative experiments,and understand the wireless communications network protocols and multimedia communications courses intensively.After the probation of the teaching system,the quality is prominent.