But delays and inefficiencies in air travel are due in large part to an outdated traffic-control system that still relies on slow, ground-based radar stations and repetitive voice communication.
不过航空运输延迟和低效的主要原因还是过时的空中交通管制——一套依靠地面控制、反应迟缓的雷达站和不断重复的语音通讯建立起来的体系。
Using the company's UAS battle-management software, airborne operators issued NATO-standard sensor and air-vehicle commands via a UHF satellite communication link and ground-station relay.
采用波音公司无人机战斗管理软件，机载操作人员通过特高频卫星通信链路和地面站中继发布北约标准传感器和飞行器命令。
IT also USES MFC based on dialog programmer model to design the software of mutual interface. Finally IT realizes the wireless communication between air vehicle and ground.
采用MF C中基于对话框的程序设计模式设计了交互界面的软件，实现了空中运动体与地面控制站之间的无线通讯。
The current air-ground communication manner is already not adapted to the fast development of the aviation industry.
引言目前，航空业界主要采用飞机通信和寻址报告系统来完成空地间的数据通信。
The statistic model of air-ground radio communication channel is characterized by the multipath fading, Doppler power spectrum and delay power spectrum.
空地通信信道的主要统计特性包括多径衰落特性、多普勒功率谱和时延功率谱。
The statistic model of air-ground radio communication channel is characterized by the multipath fading, Doppler power spectrum and delay power spectrum.
空地通信信道的主要统计特性包括多径衰落特性、多普勒功率谱和时延功率谱。
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