| 地球章动原因的分析与计算 |
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| 引用本文： | 于凤军.地球章动原因的分析与计算[J].大学物理,2011(9):1-7,9. |
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| 作者姓名： | 于凤军 |
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| 作者单位： | 安阳师范学院物理与电气工程学院; |
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| 基金项目： | 国家自然科学基金(11005003)资助 |
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| 摘 要： | 介绍地球章动的特点,从理论上分析地球章动的主要原因,计算章动常数并给出了地球章动示意图的画法.所计算的章动常数与观测值相差仅2/10 000.
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| 关 键 词： | 地球章动 岁差 章动椭圆 章动常数 引潮力 |
Analysis of causes and calculation for the earth nutation |
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| YU Feng-jun.Analysis of causes and calculation for the earth nutation[J].College Physics,2011(9):1-7,9. |
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| Authors: | YU Feng-jun |
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| Institution: | YU Feng-jun(School of Physics and Electrical Engineering,Anyang Normal University,Anyang,Henan 455000,China) |
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| Abstract: | The main reasons of the earth nutation are analysed theoretically and the nutation constant is calculated.The relative difference between the theoretical calculation value and the observed one is about 2/10 000. |
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| Keywords: | earth nutation precession nutation ellipse nutation constant tide force |
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