为了能在异步控制网络上实现采样同步,可采用时钟同步方法。
Using the clock synchronization, synchronous sampling could be realized on an asynchronous control network.
该系统采用了片同步技术实现了采样后高速数字信号的可靠锁存,采用高精度的时钟管理芯片和设计合理的时钟路径对时钟抖动做了严格控制。
The Chip-Sync technology has been used to ensure the latch of high-speed signal, and we use high accuracy clock management chips and design reasonable clock way to strict control the clock jitter.
该方法是一种基于信号采样时钟速率的全数字化处理过程,其同步精度可达到信号采样间隔的1%以上,且便于FPGA或DSP实现。
The method is a fully-digitized process at the sampling clock rate, so that it can be conveniently implemented by FPGA or DSP, whose synchronization precision can reach 1% of the sampling interval.
GPS同步时钟信号已在电力系统的继电保护、事件顺序记录、故障测距、同步采样等诸多领域获得重要运用。
The clock signal provided by Global Positioning System(GPS)is widely used in electric power system for relay protection, SOE (Sequence of Events), fault locating, synchronous sampling and so on.
选用GN-80型GPS接收设备和单片微机进行电力系统状态变量同步采集终端的硬件设计,利用GPS的精确授时作为其同步时钟控制采样脉冲来实现同步采样。
This thesis selects model GN-80 GPS receiver and SCM to design the sampling device. The high accurate time service is used to synchronize the sample clock signal to realize synchronous sampling.
选用GN-80型GPS接收设备和单片微机进行电力系统状态变量同步采集终端的硬件设计,利用GPS的精确授时作为其同步时钟控制采样脉冲来实现同步采样。
This thesis selects model GN-80 GPS receiver and SCM to design the sampling device. The high accurate time service is used to synchronize the sample clock signal to realize synchronous sampling.
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