Some informations closely related to the ship are added to the video signals, then are transmitted to the monitors of marine measurement and control system. According to the specified system demands, the marine multichannel OSD and twisted-pair transmission system are developed based on modular design. It is proved by experiments in different marine operating environments that the system can work well and completely meet design requirements.%在船用测控系统中,需要将船只的各种信息数据叠加到指定的视频信号中,然后经由双绞线传输并显示到测控中心的监视器上.结合船用测控系统的需求,采用模块化的设计方法,开发了多路视频字符叠加和双绞线传输系统.船用环境下的应用结果表明:本系统工作稳定可靠,完全满足设计要求.
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