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随着人们生活水平的提高,民航业进入快速发展的时期,据统计,飞机已经成为最安全、最快捷的出行方式之一。同时民航的设备及技术手段也在经历日新月异的升级。目前,新一代通信、导航、监视和空中交通管理体系CNS/ATM正在研究及建设中,这一体系实现的技术基础是建立一个新型的航空电信网ATN。其中有一项重要的研究内容,就是开发地空数据链的技术和应用。文章先对地空数据链作总体介绍,再重点介绍空中交通管制部门的应用—CPDLC,最后举例分析了典型的电报,研究了报文的格式和内容。
As people’s living standards improve, the civil aviation industry has entered a period of rapid development. According to statistics, the aircraft has become one of the safest and fastest modes of travel. At the same time, civil aviation equipment and technical means are also undergoing rapid changes. At present, CNS / ATM, a new generation of communications, navigation, surveillance and air traffic management systems, is being researched and under construction. The technical foundation for this system is the establishment of a new ATN for aeronautical telecommunications networks. One of the important research contents is the technology and application of developing air-ground data link. The article first gives a general introduction to the air-ground data link, and then focuses on the application of air traffic control department -CPDLC. Finally, it gives an example to analyze the typical telegram and studies the format and content of the message.