A binary tree routing topology is designed for propagating the system clock and trigger signal and the accurate timing and synchronization between sensors are provided by CPLD.

设计了二进制树型拓扑结构传播统一的系统时钟和触发信号，采用CPLD提供传感器间的精确时序和同步。

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The design of the synchronization control set for the laser underwater imaging system by distance trigger is one of the key techniques in the whole system.

距离选通激光水下成像系统中同步控制装置的研究设计是系统的关键技术之一。

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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。

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