ASTRONOMICAL TIME

被引：10
|
作者：
MCCARTHY, DD
机构：
[1] U. S. Naval Observatory, Washington
来源：
PROCEEDINGS OF THE IEEE | 1991年 / 79卷 / 07期
关键词：
D O I：
10.1109/5.84967
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Astronomical time serves as the basis for civil time and is required to describe the orientation of the Earth with respect to an inertial reference frame. The definitions of astronomical time scales are reviewed as well as observational methods. The causes of the variations in the Earth's rotation are explained and a brief overview of international efforts to maintain astronomical time scales is presented.
引用
收藏
页码：915 / 920
页数：6
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