cue signal detector

例句：

1. 1. The cue signal detector was used to detect the presence of a specific sound in the background noise.
   提示信号检测器用于在背景噪音中检测特定声音的存在。
2. 2.The signal detector was designed to detect and classify signals from different sources.
   信号检测器被设计用来检测和分类来自不同来源的信号。
3. 3. The cue signal detector was used to alert the user when they were approaching a dangerous area.
   提示信号检测器被用来在用户接近危险区域时提醒他们。