In a receive mode, either the sum channel or a difference channel of the panel combiner is chosen as the activechannel.
在接收方式下，选择面板组合器的和通道或差通道作为工作通道。
2
It shows that the activechannel with sizeable optical gain and a substantial increase of the refractive index are promising for the realization of active waveguide tunable laser.
研究表明，室温下有源沟道具有较大的光增益和折射率增量，有望实现可见波段的可调谐有源光波导激光器件。
3
Because of MediaWiki's popularity, it boasts an active IRC support channel on freenode — #mediawiki — as well as multiple forums on which users interchange ideas and questions.