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。
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