1·An amplifier or attenuator may be needed to ensure that the required level of power is transmitted through the switch.
可能就需要一个放大器或衰减器，以确保通过开关传输所需的功率。
2·First, it analyzed the optical theory of attenuator, then introduced the motor positioning system in detail.
首先分析了光衰减器的光学原理，然后详细介绍了其电机定位系统。
3·This paper presents the operating principle, design methods and experimental results of an optical variable attenuator.
本文详细介绍一种光可变衰减器的工作原理、设计方法和试验结果。
4·Line - type fixed attenuator using all fiber structure, stable and reliable performance.
在线型固定衰减器采用全光纤结构，性能稳定可靠。
5·This high power thin film attenuator series exhibit excellent high frequency characteristics.
这种高功率薄膜衰减器系列具有卓越的高频特性。