wavelength modulation

例句：

1. 1.The radio wave was easily modulated by the human voice.
   无线电波很容易被人声调制。
2. 2. In this experiment, we used a frequency modulation technique to achieve our desired output.
   在这个实验中，我们使用了频率调制技术来实现我们想要的输出。
3. 3. The modulation of the signal is crucial for maintaining communication quality.
   信号调制对于保持通信质量至关重要。