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.
所设计的一维扫描相控阵天线在方位面具有窄波束、低副瓣特性，在俯仰面实现和差波束。
The one-dimensional phased array antenna discussed in this paper needs to radiate a narrow beamwidth and low sidelobe pattern on the horizontal, a sum and difference beam on the vertical.
为了实现对短波频段全空域低信噪比信号的良好接收，本文提出了一种窄波束全向接收的自适应天线阵。
In order to receive omnidirectional low-SNR signal of whole HF band, we present an adaptive omni-direction & narrow-beam receiving antenna array.
提出在短波通信中利用发射端窄波束，在空间上将能量集中于主路径且抑制其他路径来改善多径信道环境；
The authors propose a method of using transmit narrow-beam to spatially concentrate the radiation energy on dominant path and suppress undesired paths in the shortwave communication.
双波束输出：它拥有世界上最好的可选择的宽波束和窄波束探测系统，你可以把图像单独或一起显示在屏幕上。
Dual beam PLUS: Get the best of both worlds, with selectable narrow and wide beams you can view individually, or melded into one display.
为了提高制导精度，系统设计人员希望使用尽可能窄的制导波束。
To improve guidance accuracy the systems engineer will want the narrowest guidance beam possible.
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.
突破了单星雷达受天线基线长度的限制，具有更窄的波束宽度，但是会产生较多的孔径干涉栅瓣。
A long baseline with narrower beamwidth can also be provided by distributed space-based radars at the cost of appearing grating lobes.
突破了单星雷达受天线基线长度的限制，具有更窄的波束宽度，但是会产生较多的孔径干涉栅瓣。
A long baseline with narrower beamwidth can also be provided by distributed space-based radars at the cost of appearing grating lobes.
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