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引言甚高频(VHF)地空遥控系统是现代空中交通管制系统的重要组成部分,是航路地空通信的最基本的手段。根据中国民航空中交通管理系统“九五”建设规划的要求,在中国东部地区实现3000米以上区
Introduction VHF air-ground remote control system is an important part of modern air traffic control system and is the most basic means of air-ground communication. According to the requirements of China Civil Aviation Air Traffic Management System “95 ” construction plan, in the eastern region of China to achieve 3000 meters above the district