modulation of beam intensity

例句：

1. 1. The radio station uses a variety of modulation techniques to deliver its programming.
   该电台使用多种调制技术来传输其节目。
2. 2. In the field of communication, modulation is crucial for transmitting data over long distances.
   在通信领域，调制对于长距离数据传输至关重要。
3. 3.The engineer carefully modulated the frequency to ensure optimal performance.
   工程师仔细调制了频率以确保最佳性能。