The microwave circuit unit is composed of microwave signal resource, low noise amplifier and microwave detector.
测量系统采用了微波信号源、低噪声放大器和微波检波器等组成微波电路单元。
To achieve the optic detection in individual cell, it is prerequisite for optical detector to be tiny volume, highly optical collection - efficiency, low noise and light background.
要实现对单细胞的光学检测，需容积小、光学收集效率高、低噪声的检测器和低的背景光。
In this scheme, the synthesizer contains a low-noise phase detector to achieve the performance of low phase noise and low spur level.
本方案采用了低底噪鉴相器，实现低相噪和低杂散指标。
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