phase control loop的意思|示意

The phase lock loop is a feedback control system that makes two telecommunication signals' phase synchronization, suitable to the synchronous trigger circuit of the convertor device.

锁相环路是完成两个电信号相位同步的反馈控制系统，适宜于变流装置的同步触发电路之中。

An automatic accurate synchronization control scheme which adopts phase locked loop principle is presented.

利用锁相环路原理提出锁相自动准同期控制方案。

The phase- locked loop is one kind of control system which is able to achieve phase automatic lock, to compose frequency and to trace demodulation system.

锁相环路是一种能实现相位自动锁定的控制系统，主要用于频率合成及跟踪解调系统。

The simplified method has been adopted to confirm the limit frequency of limit circle of phase-lock control loop. The general expression of the capture band has been derived.

采用简化的方法确定锁相回路的极限环频率极限，推导出捕捉带的一般表达式；

The control strategy can guarantee the existence of sliding phase for the closed-loop system.

该控制策略保证了闭环系统滑动阶段的存在性。

PWM timing is the most advanced one among all 3-phase asynchronous motor timing methods. This article introduces the essential components of PWM control loop, and the key parts of the loop.

PWM调速是当前三相异步电动机调速中最有前途的一种方法。本文在介绍了PWM调速方法的基础上，对其中的关键环节进行了较深入的研究。