的意思 beat frequency

1. The beat frequency of the two signals is 5 Hz.
这两个信号的拍频是5赫兹。

2. The beat frequency is caused by the interference of two sound waves.
拍频是由两个声波的干扰引起的。

3. The beat frequency can be calculated by subtracting the frequencies of the two waves.
拍频可以通过两个波的频率相减来计算。

4. The beat frequency can be heard as a pulsating sound when two tones are played together.
当两个音调一起播放时，拍频会被听到为脉动声音。

5. The beat frequency changes when the frequencies of the two waves are adjusted.
当两个波的频率被调整时，拍频会改变。

6. The beat frequency can be used to tune musical instruments.
拍频可以用来调音乐乐器。