波束赋形（Beamforming）又叫波束成型、空域滤波，是一种使用传感器阵列定向发送和接收信号的信号处理技术。波束赋形技术通过调整相位阵列的基本单元的参数，使得某些角度的信号获得相长干涉，而另一些角度的信号获得相消干涉。波束赋形既可以用于信号发射端，又可以用于信号接收端。
3. A vector quantization (VQ) codebook based beamforming algorithm (CBF) for time division duplex (TDD) system is proposed.
3.提出一种适于TDD系统的基于向量量化(VQ)码本的波束赋形算法——CBF算法。
参考来源 - LTE中MIMOBy beam-forming, the direction of base station (BS) signals can properly adjust according to user equipment (UE). So the interference of UE can decrease effectively and the efficiency of frequency and the covering area of BS are improved.
它通过下行波束赋形，使基站发射功率主要对准移动终端方向，有效地减少了各个移动用户之间的干扰，提高了系统的频谱利用率和基站覆盖范围。
参考来源 - TD·2,447,543篇论文数据，部分数据来源于NoteExpress
在天线波束赋形部分，介绍了窄波束零陷和宽波束零陷。
In the antenna shaped-beam section, introduced narrow beam nulling and wide beam nulling.
卫星波束赋形天线普遍采用阵馈抛物反射面天线和单馈成形皮射面天线。
Array-fed parabolic reflector and shaped reflector with a single feed are usually used to be contoured beam satellite antenna.
本文主要就波导窄边缝隙行波阵天线的设计及其波束赋形技术进行研究。
This paper mainly studies the design and the shaped-beam technology of traveling wave antenna of rectangular waveguide with inclined slot on the narrow wall.
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