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| 词汇 | directional antenna |
| 分类 | 英语词汇 英语翻译词典 |
| 释义 |
directional antenna
英汉-汉英词典
定向天线
词组 | 习惯用语
您要查找的是不是：Directional Antenna DA 定向天线 Directional antenna control system 定向天线控制系统 directional antennal 定向天线 dual-polarized directional antenna 双极化定向天线 end-fire directional antenna 端射定向天线 long-wave directional antenna 长波定向天线 directional antenna [电讯] 定向天线 directional antennas 定向天线 telecommunication satellite with directional antenna 具有定向天线的通信卫星 directional HF antenna 定向高频天线
英语百科
Directional antenna![A multi-element, log-periodic dipole arrayA 70-meter Cassegrain radio antenna at GDSCC, California](/Images/godic/202501/09/LPDA-large5327.jpg") ![](/Images/godic/202501/09/DSN_Antenna_details5327.jpg") ![](/Images/godic/202501/09/PAVE_PAWS_Radar_Clear_AFS_Alaska5327.jpg"){kind=spacer} A directional antenna or beam antenna is an antenna which radiates or receives greater power in specific directions allowing for increased performance and reduced interference from unwanted sources. Directional antennas provide increased performance over dipole antennas – or omnidirectional antennas in general – when a greater concentration of radiation in a certain direction is desired.
近义、反义、联想词
近义词n.antenna, aerial, transmitting aerial
英英词典
directional antenna n.
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