The author analyses all kinds of time acquisition techniques and explains GPS timing in detail.
对各种时间获取技术进行了比较，对GPS定时原理作了较为详细的说明。
A synchronous acquisition system with GPS timing is used to accurately synchronize dada acquisition in different places.
基于GPS授时的异地同步数据采集系统用于对分处异地的数据采集设备进行精确同步。
In this paper, a model 868 GPS Timing re - ceiver is introduced mainly, including the compositions, performances and experimental results of this system.
本文主要介绍我所最近研制成功的868型GPS授时接收机的情况，包括整机构成、主要性能以及试验结果。
GPS timing technique is used to realize remote multi -terminal synchronized sampling thereby enhancing the reliability of longitudinal difference protection of current.
通过引入GPS定时技术解决了远距离多端同步采样问题，从而使电流纵差保护具有更高的可靠性。
These years, it is the latest research subject that GPS timing frequency calibrating data has been conducted by using Kalman filter technology in order to increase accuracy.
利用卡尔曼滤波技术对GPS定时校频数据进行处理提高精度，是国际上近几年的最新研究课题。
But they also have some very precise GPS positions and timing measurements.
但他们同时还有非常精确的GPS定位及定时测量。
GPS III will improve position, navigation and timing services and provide advanced anti-jam capabilities yielding superior system security, accuracy and reliability.
GPSIII将改善定位、导航和定时服务，并提供先进的抗干扰能力，提供优秀的系统安全、精度和可靠性。
GPS III will improve position, timing services, navigation and provide advanced anti-jam capabilities yielding superior system security, reliability and accuracy.
GPSIII将增强定位、授时服务和导航能力，具有先进的抗干扰性能，为全球用户提供安全、可靠和准确的服务。
GPS has the ability of precisely positioning and exactly timing, and measuring speed.
GPS的作用表现为精确的定位能力和准确的定时和测速能力。
Firstly, a series of reference systems, related to GPS navigation positioning system, such as timing system, reference frame and force model system, are discussed in detail.
本文详细地论述了与GPS导航定位系统一系列有关的参考系统：时间系统、坐标系统和力模型系统。
As a kind of new timing, measuring distance, navigation and positioning system, the technology of GPS is gradually used in traffic and other fields.
GPS技术作为一种精密的授时、测距、导航、定位系统，已经开始在交通等领域得到应用。
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。
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。
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