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
收藏
页码：243 / 244
页数：2
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