synchronous clock

By means of setting up a real time clock with high resolution in the computer of data acquisition, and using real time operational system in place of traditional synchronous control device, timing information with high accuracy was added into acquisition data.

通过在数据采集计算机内设置高分辨率的实时时钟，以及用实时操作系统替代传统的同步控制装置，将高精度计时信息叠加到所采集的数据中。

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The synchronous-clock distance measurement system for measuring under-water target noise

水下目标噪声测量中的同步钟测距超声波避撞预警系统的研究

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Three is to encode data frames, avoid long even" 0 "or even" 1", favorable to the long distance transmission of signals and the receiver to extract the synchronous clock.

三是对传输数据帧进行编码，避免长连0或长连1的情况出现，有利于信号的远距离传输和接收端对同步时钟的提取。

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summary of the underwater ranging using synchronous clock

同步钟式水下测距综述

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The IRIG-B decoding device can receive IRIG-B code synchronous clock signals and Pulse Per Second ( PPS). The CPLD hardware data acquisition controller ensures the sample time accuracy in the system.

设计了IRIG-B解码器，可以接收IRIG-B同步时钟信号和PPS脉冲信号，并且设计了CPLD硬件数据采集控制控制器保证采样的时间精度；

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The OSC provides the system clock signal, it can works under three modes: fixed frequency mode, external clock synchronous mode and idle mode.

振荡器模块提供系统时钟信号，并能实现三种工作模式：固定频率模式、外部时钟同步模式和突发模式。

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A Synchronous Clock Writing Technology of Servo Code Writing on the High Capacity Winchester Disk Driver

高容量温盘驱动器伺服码同步时钟录写技术

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This paper details the synchronous clock principle. Also described are the relationship between the noise level and the distance, the position of the target ship to the hydrophone and errors of distance measurement.

本文较详细的介绍了同步钟测距原理，并对在舰船辐射噪声测量中噪声组与距离关系，目标船相对测量水听器的位置，测距误差等进行了描述。

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The system is pulse-counted by GPS satellite synchronous clock module. DSP reads communication time in real-time in order to control the time precision under microsecond.

系统利用GPS同步时钟模块进行脉冲计数，DSP实时读取通信时间，控制时间精度在微秒以下。

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Finally, the master clock and slave one are linked by the hub or switch, the time synchronous precision is researched.

最后，通过使用集线器与交换机连接主从时钟，分析了其对同步精度的影响，可达到亚微秒的同步精度。

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Exploring Source Synchronous Clock Implementations for High Speed Interfaces

针对高速接口的源同步时钟实现方案的研究

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And the synchronous clock is a key of the synchronization network.

而其中同步时钟是同步网的关键.

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