narrow-beam

基本解释

• adj. 强指向性射束的，窄射线的

英汉例句

双语例句

• 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；

权威例句

• 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?

• narrow-beam更多例句

词组短语

短语

• narrow fan -beam scan 窄角扇束扫描
• radiation narrow -beam 细束辐射
• attenuation narrow -beam 细束衰减
• narrow -beam radiation 狭束辐射;细射柱辐射

• narrow-beam更多词组

专业释义

电子、通信与自动控制技术

• 窄波束

  Both the theoretical study and the calculation results show that the gain of the power ratio of dominant path to the others and the coherence bandwidth can be dramatically increased in the shortwave communication with narrow-beam.
  理论分析和计算结果均表明:在短波通信中使用发射窄波束,主路径相对其他路径的功率比值增益以及信道相干带宽都会显著提高。

  能源科学技术

• 窄射线