frequency-domain analysis

例句：

1. 1.In the frequency-domain analysis, we can observe the behavior of the system under different conditions.
   在频域分析中，我们可以观察到系统在不同条件下的行为。
2. 2. The frequency-domain analysis is crucial for understanding the dynamics of the system.
   频域分析对于理解系统的动态至关重要。
3. 3. The frequency-domain analysis helps us to identify and quantify the effects of external factors on the system.
   频域分析帮助我们识别并量化外部因素对系统的影响。