frequency separating filter

例句：

1. 1. This frequency-separating filter is used to enhance the signal-to-noise ratio in wireless communication systems.
   这个频率分离滤波器用于在无线通信系统中提高信号与噪声的比率。
2. 2. The engineer used a frequency-separating filter to filter out unwanted frequencies from the audio signal.
   工程师使用一个频率分离滤波器来从音频信号中过滤掉不需要的频率。
3. 3. In this study, we developed a frequency-separating filter that can effectively reduce the interference of high-frequency signals in telecommunications networks.
   在本研究中，我们开发了一种频率分离滤波器，能有效减少电信网络中高频信号的干扰。