超低噪声微波低温电子学系统
ultralow noise microwave cryoelectronic system
宽频带数字地震计
Digital broadband seismograph
宽频带频谱分析仪
wide-band frequency spectrum analyser
wide-band spectrum analyzer
宽频带匹配电路
broad band matching circuit
宽频带模拟网络
wide-bandwidth analogue circuits
宽频带馈电技术
Broadband feeding technique
宽频带宽互相关器
wide-bandwidth cross correlator