A new method of VHF channel access protocol analysis based on semi-Markov model is presented in this paper.

本文提出了一种基于半马尔可夫模型的VHF信道访问协议分析方法。

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Apart from channel two, the rest of the original VHF channels on the dial were usually just the odd Numbers from three to 13.

除了2频道之外，原来位于频道调节器甚高频段的其余频道序号，通常只是3到13间的奇数。

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That was because, in over-the-air VHF broadcasting, the channel between two analogue stations had to be left unused so that it would not interfere with adjacent ones.

这是因为在空中传播的高频信号中，两个模拟发射频道的之间要有一个空置的频道这样才不会干扰相邻的频道。

youdao

Mr Matthews said kayakers should also carry a VHF marine band radio to call the coastguard on channel 16 if they get into difficulty.

BBC: Llangennith: Surfer rescues kayaker on Gower