pulsed perturbation

例句：

1. 1. The device was designed to detect pulsed perturbations in the signal.
   该设备被设计用来检测信号中的脉冲扰动。
2. 2. The research focused on the effects of pulsed perturbations on the system's performance.
   研究专注于脉冲扰动对系统性能的影响。
3. 3. In this experiment, we used a pulsed perturbation to test the device's sensitivity.
   在这个实验中，我们使用脉冲扰动来测试设备的灵敏度。