| 主要章动项振幅与自由核章动的检测 |
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| 引用本文： | 张捍卫,覃伯平.主要章动项振幅与自由核章动的检测[J].测绘学院学报,1995(1). |
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| 作者姓名： | 张捍卫 覃伯平 |
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| 作者单位： | 郑州测绘学院，郑州高炮学院 |
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| 摘 要： | 章动观测值与理论值之间的差异提示人们，当前所使用的Ｗａｈｒ章动理论中存在一些未知的效应。本文利用ＶＬＢＩ观测资料和测纬资料，对主要章动项振幅和自由核章动周期进行了检验。实际计算表明，根据ＶＬＢＩ资料和测纬资料的处理，所得到的自由核章动周期是相同的。
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| 关 键 词： | 章动振幅，自由核章动，VLBI观测 |
The Test of Main Nutation Amplitude and Free Core Nutation |
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| Zhang Hanwei,Tan Boping.The Test of Main Nutation Amplitude and Free Core Nutation[J].Journal of Institute of Surveying and Mapping,1995(1). |
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| Authors: | Zhang Hanwei Tan Boping |
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| Institution: | Zhang Hanwei;Tan Boping |
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| Abstract: | It is proved that some unknown effieciency exists in Wahr nutation theory by the difference of the nutation observations and theory values. In this paper. making use of the observations of VLBI and Latitude. we test main nutation amplitude and free core nutation cycle. The actual calculation have proved that the free core nutation cycle obtainedby VLBI date and Lati tude date are showing no difference. |
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| Keywords: | Nutation amplitude Free core nutation VLBI observe |
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