unlicenced
英
美
[网络] 获得许可；民用设备的无线电频段
双语例句
- Whilst he was waiting he demanded a beer but was told the smithy was unlicenced.
在等待的间隙，他想来点啤酒，但人们告诉他这个铁匠铺没有售酒许可。 - Without generating interference to licenced transmissions, cognitive radio permits unlicenced services transmitting their signals in the licenced spectrum, which provides an alternative of effectively using the spectrum, and therefore, gradually becomes a hot research area.
认知无线电技术以不干扰授权业务为前提，允许非授权业务利用授权频段传输信号，为高效利用频谱开辟了一条崭新途径，并逐渐成为了当今通信界的研究热点。