The requirement and current state of clock synchronism of automatic devices in power system are analyzed and described, and a feasibility study is made on the application of GPS in clock synchronism.
本文对电力系统自动化装置时钟统一的要求与现状做了分析和阐述,对于GPS在时钟统一问题上的应用做了可行性研究。
As for the high precision positioning of underwater targets, the GPS sonobuoy technique has two bottlenecks: high precision system clock synchronization and high accuracy time delay estimation.
为了实现水下载体高精度的定位,GPS声纳浮标需解决两个方面的技术难点:高精度的系统时钟同步和定位信号的高精度时延估计。
Based on real time clock of GPS system, and by means of absolute time-marker, real time data acquisition between different sites was performed in the form of wireless.
以GPS系统实时时钟为基础,通过对绝对时标加以处理,以无线方式实现了不同站点之间的实时数据采集。
The clock signal provided by Global Positioning system GPS is widely used as a synchronous clock in broadcasting television system and electric power system and the display of time in public.
GPS卫星同步时钟广泛用作广播电视、电力等系统的同步时钟及车站、机场等公共场所的时间显示。
This paper introduces the method of clock calibration to VCXO in system, based on GPS and CPLD. It can solve the problem of frequency offset because of Crystal worse behavior in Long-term use.
本文还给出了基于GPS芯片和CPLD,对系统压控晶振时钟进行校准的实现方法,有效解决了由于长时间使用,晶振自身特性变化,造成的频率偏移现象。
As the computer clock is not accurate enough, the timer card also records time beats from Global Positioning System (GPS). This makes accurate timing of cosmic ray arrival feasible.
同时,由于电脑的内置时钟不够精确,计时器亦会记录来自全球定位系统的报时讯号,以便准确计算宇宙射线的接收时间。
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.
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。
In the proposed schemes, the redundant configuration of grandmaster clock using Beidou navigation satellite system, GPS (Global Positioning system) and atomic clock is discussed.
在应用方案中,讨论了利用北斗卫星定位系统、全球卫星定位系统(GPS)和原子时钟构建最高级时钟的冗余配置方案。
In the proposed schemes, the redundant configuration of grandmaster clock using Beidou navigation satellite system, GPS (Global Positioning system) and atomic clock is discussed.
在应用方案中,讨论了利用北斗卫星定位系统、全球卫星定位系统(GPS)和原子时钟构建最高级时钟的冗余配置方案。
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