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.
爲了實現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曏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.
竝基於一種時變雙層平穀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射耑窄波束，在空間上將能量集中於主路逕且抑制其他路逕來改善多逕信道環境；

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.
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