narrow-beam

基本解釋

• adj. 強指向性射束的，窄射線的

英漢例句

雙語例句

• In order to receive omnidirectional low-SNR signal of whole HF band, we present an adaptive omni-direction & narrow-beam receiving antenna array.
  為了實現(xiàn)對短波頻段全空域低信噪比信號的良好接收，本文提出了一種窄波束全向接收的自適應天線陣。
• Based on the time-variant double layers & plane valley electron density profile, the theoretical analysis of narrow-beam channel characteristics is conducted.
  并基于一種時變雙層平谷電子密度模式對窄波束信道特性進行了理論分析。
• 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發(fā)射端窄波束，在空間上將能量集中于主路徑且抑制其他路徑來改善多徑信道環(huán)境；

權威例句

• 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

詞組短語

短語

• narrow fan -beam scan 窄角扇束掃描
• radiation narrow -beam 細束輻射
• attenuation narrow -beam 細束衰減
• narrow -beam radiation 狹束輻射;細射柱輻射

• narrow-beam更多詞組

專業(yè)釋義

電子、通信與自動控制技術

• 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.
  理論分析和計算結果均表明:在短波通信中使用發(fā)射窄波束,主路徑相對其他路徑的功率比值增益以及信道相干帶寬都會顯著提高。

  能源科學技術

• 窄射線