1) high frequency multiplex communication
高频多路通信
2) multichannel HF communication equipment
多路高频通信设备
3) multiplex expanded fre quency communica-tion
多路扩频通信
4) frequency-division multiple-access
频分多路通信
5) frequency multiplex voice communication
频分多路话(音)频通信
6) HF communication
高频通信
1.
The experimentation technique and results were presented for frequency occupying in HF communication.
给出了试验中相关性和多孔性的测试结果,并在此基础建立了相应的高频通信信道模型,并以此为基础对高频信道的传播特性进行了一定的研究。
2.
The paper briefly reviews the development of HF communication, then describes the estimation program used for HF communication and the research on propagation testing for improving the performance of HF communication.
文章首先简单回顾了高频通信的发展概况,接着描述用于高频通信的预测程序和为改进高频通信而开展的传播测试研究,最后介绍与高频通信有密切关系的电离层的研究状况。
3.
It is clear that Es can influence summer HF communication severely,particularly during daytime.
可见,Es层对夏季高频通信影响很大,白天时段受影响程度更大。
补充资料：频分多路通信
见多路通信、有线载波通信。
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