| 释义 |
frequency modulation
释义
频率调制：根据语音或信号调制载波波的频率，也称为FM。
例句
1·Frequency modulation is not possible with polychromatic light.
多色光不可能调制频率。
2·Therefore, the tuner is essential to the frequency modulation radio.
所以调频收音机中的频率调谐器是至关重要的。
3·A pulse frequency modulation (PFM) with discrete frequency is designed.
设计了一种离散频率的PF M控制方式。
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