波段扩展 meaning in English
band-spread
Examples
- Band spread system enables you to easily tune in sw stations
波段扩展系统，可让您较容易调谐sw电台。 - For the operating frequencies of modern radars and guidance 、 electronic countermeasure system 、 communication system 、 remote sense and remote measurement system expand to millimeter band step by step , the operating frequencies of t / r module raise ceaselessly . simultaneity millimeter wave t / r module which has the advantages of small dimension , lightweight , wide band is more suitable to the requirement of modern army and communication system . this paper is mainly referred to the research of t / r module in ka band
现代雷达与制导、电子对抗、通信、遥感遥测系统的工作频率已逐步由微波波段扩展到毫米波波段,因此t / r组件的工作频率也在不断的上升,同时,毫米波t / r组件与微波t / r组件相比具有尺寸小、重量轻、频带宽等优点,更适合现代军事和通信系统的要求。