PLL control

• 锁相环控制

PLL control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. For the finite propulsion reentry guidance, the conventional closed-thruster equation based on open-loop control loses its way.
   摘要解决有限推力模型的再入飞行器初制导问题，利用传统开环控制的关机方程达不到要求的精度。