The flight control station connects the ground navigation station and the automatic pilot, so it is the server in the UAV system.

地面飞控站是连接地面导航站和无人机自动驾驶仪的重要环节，在整个系统中起着服务器的作用。

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The Launch and Test Range System includes ground-based surveillance, navigation, flight operations and analysis, command and control, communications and weather assets for space missions.

发射和测试系统包括空间飞行的地面系统任务的监视，导航，飞行操作和分析，指挥和控制，通信和气象资产。

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Radar tracking of the shuttle, like the final accurate ground-based navigation, had not yet begun.

对航天飞机的雷达追踪，如最后精确的陆基导航，还没有开始。

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Each probe can pick up GPS signals and signals from eLoran, an enhanced version of Loran, the ground-based terrestrial radio-navigation system first used by the American and British navies during the second world war.

ECONOMIST: GPS jamming

This digital elevation model (DEM) will be put to myriad uses - everything from improving the safety of aircraft navigation to understanding better which areas of ground are most at risk during a flood.

BBC: German radar satellites fly tight space waltz

Honeywell executives, who haven't previously discussed the project publicly, say the system uses onboard computers and navigation devices to automatically control aircraft movements on the ground.

WSJ: Honeywell Tests Autopilots for the Tarmac