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 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.
锁相系统是一个能够跟踪输入信号频率和相位的闭环自动控制系统。
The phase-locked system is a closed loop automatic control system that can follow the frequency and phase of the input signals.
提出了基于FPGA的无损伤切换的实现方案，并重点介绍了实现中采用的相位调整、弹性存储器和自动切换控制等关键技术。
The implementation scheme based on FPGA is proposed, and key techniques such as phase adjusting, elastic store and automatic switch control are introduced.
在线调节步长改变电压收敛速度，设计锁相控制电路，自动同步跟踪电网频率和相位。
The online variable step can also regulate the voltage convergence rate, and the phase-locked control circuit is designed to synchronously trace frequency and phase of power grid automatically.
通过对步进电机控制器编程实现了相位调制的自动化。
We can realize the automation of the phase modulation by programming the controller of stepper motor.
可手动自动调节控制器主、从轴的相位或相对位置。
Manual and automatic facilities to adjust the phase or relative position between Master and Slave.
可手动自动调节控制器主、从轴的相位或相对位置。
Manual and automatic facilities to adjust the phase or relative position between Master and Slave.
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