2015年全国大学生电子设计竞赛短距视频信号无线通信网络（G题）2015年8月15日摘要本课题主要研究短距离内通过无线信号网络进行视频信号传输的视频通信网络。主要可应用于安防、监控、控制、对讲等领域。本课题采用MAX7456视频叠加器件实现OSD(On Screen Display)技术，通过TX24017视音频发射模块与RX2188视音频接收模块组成无线信号传输系统，实现了短距离内的无线信号视频通信。关键字：无线网络，视频通信，OSD，字符叠加TOPICAbstract: The main research topics within a short distance video signal transmission network via radio signals video communications network. It can be mainly used in security, monitoring, control, intercom and other fields. This paper uses MAX7456 video overlay devices implement OSD (On Screen Display) technology, consisting of a wireless signal transmission system and RX2188 receiver module by TX24017 audio visual audio transmitter module, wireless video communication signal within a short distance.Keywords: Wireless networking, video communications, OSD目录1系统方案31.1 无线模块的论证与选择