On the other side, the request of microwave communicating system becomes more and more critical to the performance of microwave passive device including coupler, splitter.
另外，在微波通讯系统中，越来越对耦合器、功分器等无源器件的性能有更高的要求。
Microwave Radiometer is a passive microwave measurement device. It passively receives the random noise radiated by the objects and environment.
微波辐射计是一种无源微波测量装置，它本身不发射微波信号，只是被动的接收目标及环境辐射的随机噪声。
PNA series is the highest performance of microwave network analyzer, can be used in the passive and active device testing.
PNA系列是业界最高性能的微波网络分析仪，可用于无源和有源器件测试。
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