narrow-beam

常见例句

In order to receive omnidirectional low-SNR signal of whole HF band, we present an adaptive omni-direction & narrow-beam receiving antenna array.
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。
Based on the time-variant double layers & plane valley electron density profile, the theoretical analysis of narrow-beam channel characteristics is conducted.
并基于一种时变双层平谷电子密度模式对窄波束信道特性进行了理论分析。
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.
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；

But the safety of beaming it back--proposals call for converting the radiated energy into a narrow microwave beam, which would then be collected and converted into electrical energy on earth--makes many people uncomfortable.
FORBES: Galactic Gold Mine?