| 星地双向时间比对Sagnac效应的计算和分析 |
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| 引用本文： | 刘晓刚,张传定. 星地双向时间比对Sagnac效应的计算和分析[J]. 宇航计测技术, 2009, 29(1): 17-21 |
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| 作者姓名： | 刘晓刚 张传定 |
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| 作者单位： | 信息工程大学测绘学院,河南,郑州,450052 |
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| 基金项目： | 国家自然科学基金，教育部全国优秀博士学位论文作者专项基金 |
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| 摘 要： | 以星地无线电双向时间比对法为例,利用几何图形介绍了Sagnac效应产生的原因,并在Ashby等人给出的Sagnac效应基本原理公式的基础上,详细推导了利用GEO、IGSO、MEO这三种类型卫星进行时间比对时所产生的Sagnac效应在地心惯性系中的具体表达式,分析了Sagnac效应值为零和取极值时这三种类型的卫星以及地面站需满足的条件。
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| 关 键 词： | 星地双向时间比对法 +地心惯性系 +Sagnac效应 Two-way satellite-ground time comparison ^＋ ECI ^＋ Sagnac effect |
The Computation and Analysis of the Sagnac Effect of Two-way Satellited and Ground Time Comparision |
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| LIU Xiao-gang,ZHANG Chuan-ding. The Computation and Analysis of the Sagnac Effect of Two-way Satellited and Ground Time Comparision[J]. Journal of Astronautic Metrology and Measurement, 2009, 29(1): 17-21 |
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| Authors: | LIU Xiao-gang ZHANG Chuan-ding |
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| Affiliation: | LIU Xiao - gang ,ZHANG Chuan - ding ( Institute of Surveying and Mapping, Information and Engineering University, Henan Zhengzhou 450052) |
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| Abstract: | Taking the method of two-way satellite and ground time comparision by wireless radio for example,the reason of the generation of the sagnac effect has been introduced by geometry figure. The basal computational model of the sagnac effect of the GEO, IGSO and MEO satellites in the Earth-Centered Inertial reference frame（ECI） has been deduced on the basis of the fundamental formula that has been proposed by Ashby and etc. And the conditions, which these three types of satellites and the ground-station should fulfill when there is no sagnac effect and the extremum can be obtained, are analyzed. |
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| Keywords: | Two-way satellite-ground time comparison ^＋ ECI ^＋ Sagnac effect |
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