The primary factor affecting fast phase lock is analyzed by using MATLAB. Then a fast all digital phase locked loop with a high precision automatic modulus control is proposed.
应用MATLAB分析了影响锁相环快速锁定的主要因素，提出了一种具有高精度自动变模控制的快速全数字锁相环。
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。
Digital phase lock loop base on fuzzy logical control, which is used to recover carrier in communication system.
基于模糊逻辑控制的数字锁相环，用于通信系统中的载波恢复。
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 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。
The principle of phase lock loop and its application in the motor power-measuring system are introduced, furthermore the design and analysis of the circuit for constant speed control are provided.
介绍了摊铺机行驶控制系统的基本要求，以单边行驶回路为例探讨了其工作原理； 根据摊铺机对行驶速度的要求，分析了恒速控制技术，探讨了行驶系统控制方式。
The principle of phase lock loop and its application in the motor power-measuring system are introduced, furthermore the design and analysis of the circuit for constant speed control are provided.
介绍了摊铺机行驶控制系统的基本要求，以单边行驶回路为例探讨了其工作原理； 根据摊铺机对行驶速度的要求，分析了恒速控制技术，探讨了行驶系统控制方式。
应用推荐