2) VLF/LF conmunication
甚低频/低频通信
4) ELF communication
超低频通信
1.
This paper deals with anti-jamming performance of extremely low frequency(ELF) communications for military purposes after analyzing the advantages of ELF communication systems and modern jamming models for communication.
在分析和研究外军超低频通信系统基础上,针对超低频通信系统性能特点,结合现代无线通信干扰基本模式,分析了超低频通信系统优良的抗干扰性能。
2.
The different signal directional distributions and frequency spectrum characteristics of electromagnetic noises due to many factors and their influence on submarine ELF communications are also studied.
对潜超低频通信信号的接收会受到很强噪声的干扰。
5) lowfrequency magnetic communication
低频磁通信
补充资料：低频
1.指应用于某一技术领域中的最低频率范围。例如，无线电波段中，将30～300千赫范围内的频率称低频;电子放大电路中，将接近音频(20赫兹～2万赫兹)的频率称为低频。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条