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 act 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 pilot symbols were used to estimate channel and acted as reference signal of beam-former.
多普勒波束锐化成像技术(DBS)能为检测出的动目标定位提供参考，从而有效地实现精确打击。
Doppler beam sharpening (DBS) technique can provide reference for the location of the moving target detected to attack more accurately and effectively.
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