frequency-domain analyser

例句：

1. 1. The frequency-domain analyser was used to analyze the data collected from the sensors.
   频域分析器被用来分析从传感器收集的数据。
2. 2. The engineer used the frequency-domain analyser to identify the faulty components in the circuit.
   工程师使用频域分析器来识别电路中的故障组件。
3. 3. The frequency-domain analyser helped the scientists to understand the behavior of the system under different conditions.
   频域分析器帮助科学家理解系统在不同条件下的行为。