single mode filter

例句：

1. 1. The single mode filter is used to eliminate noise in the signal.
   单模滤波器用于消除信号中的噪声。
2. 2.In digital communication, single mode filters are commonly used to separate signals.
   在数字通信中，单模滤波器常被用来分离信号。
3. 3. The single mode filter is a critical component of many high-speed optical systems.
   单模滤波器是许多高速光学系统的关键组件。