GPS-based clock synchronization for precision time management for LEO remote sensing satellites

被引：0

作者：

Kim, H ^{[1
]}

Kwon, K ^{[1
]}

机构：

[1] Korea Aerosp Res Inst, Satellite Div, Taejon 305600, South Korea

来源：

SATELLITE NAVIGATION SYSTEMS: POLICY, COMMERCIAL AND TECHNICAL INTERACTION | 2003年 / 8卷

关键词：

D O I：

暂无

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

A GPS-based clock synchronization technique [Reference 1] employing a refined Digital Phase Loop Lock (DPLL) circuitry with a Front End Processor (FEP) is considered as a fine time-management system for Low Earth Orbit (LEO) remote sensing satellites. By transmitting the time error to the ground station, a very expensive, highly accurate on-board clock is not required to determine the precise time at which a particular image is acquired.

引用

页码：243 / 244

页数：2

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