The performance ofair traffic controlsystem was evaluated by using Analytic Hierarchy Process ( AHP ) . 针对 管制中心 系统,利用层次 分析法 评估其系统效能. 期刊摘选 The antiquatedair traffic controlsystem used today is an example of accidental complexity. ...
The observance of this day began with a proclamation by President Ronald Reagan in 1986, marking the 50th anniversary of the United States air traffic control system. This proclamation recognized the immense advancements from simple, early systems to the highly sophisticated network used today, which...
A JetBlue flight and a Southwest flight almost collided before an air traffic controller warned both pilots to stop immediately. CBS News senior transportation correspondent Kris Van Cleave reports. Apr 19 03:18 At least 500 flights canceled amid U.K. air traffic control "nightmare" Britain...
Generation Air Transportation System (NextGen) will require an understanding of the existing literature. In this chapter, after an analysis of the controller's job, we focus on technology, which is an important factor in air traffic control (ATC) today and will become increasingly so in NextGen...
air-traffic control Encyclopedia n an organization that determines the altitude, speed, and direction at which planes fly in a given area, giving instructions to pilots by radio air-traffic controllern Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publisher...
2. 空管塔台 | Airport traffic control tower 2.1 出发许可 2.2 地面控制 | Ground control 2.3 空中控制或本地控制 | Air control or local control 2.4 飞行数据和放行许可 | Flight data and clearance delivery 3. 进近控制和终端控制(进近台及离场台)| Approach and terminal control 3.1 辅助线路 3.2 到...
aFor example, in most motion control systems, in order to accelerate a mechanical load under control, more force or torque is required from the prime mover, motor, or actuator. If a velocity loop PID controller is being used to control the speed of the load and command the force or torqu...
The air traffic controllers of an airportA. control all the planes flying near the airportB. give orders to planes leaving the airportC. only deal with the planes that want to land thereD. are allowed to handle 250 planes a day3. The example in the passage shows thatA. air traffic ...
a测控技术与仪器 Observation and control technology and instrument[translate] aToday's world, competitiveness is so intense, everyone more or less have had to bear the pressure from the different aspects of 今天世界,竞争性是,很强烈,大家或多或少必须负担压力从不同方面[translate] ...
Air Traffic Control Today and Tomorrow Air Traffic Control is an all-embracing term and on occasion there is some doubt about its scope. For the present purpose it will be as defined within the internationally agreed principles set out in Annex 11 to the International Civil A... VAM Hunt -...