Predator pilot (above) guides his aircraft on a mission over Afghanistan, from a ground control station at Nellis Air Force Base, Nev.
一名“捕食者”飞行员（上面照片）正在内华达州内利斯基地的地面控制站中操纵他的无人飞机，在阿富汗上空执行任务。
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。
The main task of the flight control station is obtaining real time remote data which is sent by the automatic pilot and sending instructions to the automatic pilot on time.
无人机姿态等信息由自动驾驶仪通过无线电数据链路发送到地面的接收装置，再通过串口传送到飞控站。
Because there is no power control in CPICH, the received common pilot signal power is possibly very low if the mobile is far from the base station, and this time the channel estimates is inaccurate.
由于公共导频信道无功率控制，有可能在接收端接收到的公共导频信号的功率很低，使得信道估计的误差变大。
Because there is no power control in CPICH, the received common pilot signal power is possibly very low if the mobile is far from the base station, and this time the channel estimates is inaccurate.
由于公共导频信道无功率控制，有可能在接收端接收到的公共导频信号的功率很低，使得信道估计的误差变大。
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