| ���ڽؾ�������GM��1��1��ģ���ڼ���Ԥ���е�Ӧ�� |
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| 引用本文： | 徐君毅. ���ڽؾ�������GM��1��1��ģ���ڼ���Ԥ���е�Ӧ��[J]. 大地测量与地球动力学, 2010, 30(1): 88-91 |
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| 作者姓名： | 徐君毅 |
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| 作者单位： | 解放军信息工程大学测绘学院,郑州,450052;西安测绘信息技术总站,西安,710054 |
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| 基金项目： | 国家自然科学基金(40774001,40841021);;国家“863”计划项目(2007AA12Z331) |
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| 摘 要： | ????GM??1??1???????????????ж????????????????????????????????????????????μ????????????????????????????????????????????????????GM??1??1???????????????????????????????Ч???????????
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| 关 键 词： | ???? ??????? ?????? ??????? ????? |
GM(1,1)MODEL BASED ON INTERCEPT CORRECTION AND APPLICATION TO POLAR MOTION PREDICTION |
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| Xu Junyi. GM(1,1)MODEL BASED ON INTERCEPT CORRECTION AND APPLICATION TO POLAR MOTION PREDICTION[J]. Journal of Geodesy and Geodynamics, 2010, 30(1): 88-91 |
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| Authors: | Xu Junyi |
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| Abstract: | The GM(1,1)model was used for the dynamic prediction of polar motion parameters.To further improve the forecasting accuracy the intercept correction theory is introduced,and a new intercept correction method is proposed to adjust the forecasting results.The results show that GM(1,1)model can well be used for polar motion prediction,and the forecasting accuracy is effectually inproved with the new intercept correction method. |
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| Keywords: | polar motion intercept correction grey model time series real time forecasting |
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