long wave pass filter

例句：

1. 1. The long wave pass filter isused to remove interference from the radio signal.
   长波通过滤波器用于从无线电信号中去除干扰。
2. 2. The engineerinstalled a long wave passfilter in the antenna to improvesignal quality.
   工程师在天线中安装了长波通过滤波器以改善信号质量。
3. 3. The long wave pass filter helps toreduce noise and enhance the clarity of theaudio signal.
   长波通过滤波器有助于减少噪声并提高音频信号的清晰度。