Pilot beam: for precise positioning of the emitter.
导向射束：可精确定位发射器。
For exact positioning of the emitter: the pilot beam indicates exactly which area will be X-rayed.
可精确定位发射器：导向射束可精确表明需进行X光检查的区域。
The beacon beckoned to the pilot, the beam pointed to the target.
定向信标指挥驾驶员，射束则指向目标。
The pilot symbols were used to estimate channel and act as reference signal of beam-former.
利用导频符号进行信道估计，并作为空间波束成型器的参考信号。
The pilot symbols were used to estimate channel and acted as reference signal of beam-former.
利用导频符号进行权向量更新算法，并作为空间波束成型器的参考信号。
The inexperienced pilot flew the plane badly; it was off the beam most of the time.
那位没有经验的飞行员驾驶技术很差，飞机大部分时间都偏离了无线电讯号指示的航道。
The inexperienced pilot flew the plane badly; it was off the beam most of the time.
那位没有经验的飞行员驾驶技术很差，飞机大部分时间都偏离了无线电讯号指示的航道。
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