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1)  ultra-low frequency signal
超低频信
2)  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。
3)  ultralow frequency signal
超低频信号
4)  ultra-low frequency electromagnetic signal
超低频电磁信号
5)  ultra-low frequency signal source
超低频信号源
6)  Ultra-Low-Frequency Function Generator
超低频信号发生器
补充资料:超超
1.谓超然出尘。 2.高高在上貌。 3.犹绰绰。 4.见"超超玄箸"。
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