frequency loop

• 频率环

frequency loop的用法和样例：

例句

1. Hysteresis control has disadvantage of unstable switching frequency.
   滞环控制方法存在开关频率变化不定的缺点。
2. In this paper,by deriving the limit loop frequency of the system,the speed limitation is determined,and the calculating formulas are given.
   本文采用求锁相环非线性系统极限环频率的方法确定了系统的速率极限，并给出了计算公式。