sweep signal generator

例句：

1. 1. The sweep signal generator is used to generate signals that can be easily detected by humans.
   扫频信号发生器用于生成可以被人类轻松检测到的信号。
2. 2.The sweep signal generator was used in the testing of new electronic devices.
   扫频信号发生器在新电子设备的测试中使用。
3. 3.The sweep signal generator was used to create a wide range of frequency signals for various applications.
   扫频信号发生器被用来为各种应用创造广泛的频率信号。