Improved estimation of earth rotation parameters using the adaptive ridge regression
文献类型：期刊论文
| 作者 | Huang, CL; Jin, WJ |
| 刊名 | EARTH MOON AND PLANETS
 |
| 出版日期 | 1998 |
| 卷号 | 81期号:2页码:U26-143 |
| 关键词 | adaptive ridge regression astrometry data analysis Earth rotation parameters lunar laser ranging |
| 英文摘要 | The multicollinearity among regression variables is a common phenomenon in the reduction of astronomical data. The phenomenon of multicollinearity and the diagnostic factors are introduced first. As a remedy, a new method, called adaptive ridge regression (ARR), which is an improved method of choosing the departure constant theta in ridge regression, is suggested and applied in a case that the Earth orientation parameters (EOP) are determined by lunar laser ranging (LLR). It is pointed out, via a diagnosis, the variance inflation factors (VIFs), that there exists serious multicollinearity among the regression variables. It is shown that the ARR method is effective in reducing the multicollinearity and makes the regression coefficients more stable than that of using ordinary least squares estimation (LS), especially when there is serious multicollinearity. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 类目[WOS] | Astronomy & Astrophysics ; Geosciences, Multidisciplinary |
| 研究领域[WOS] | Astronomy & Astrophysics ; Geology |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000085730100003 |
| 公开日期 | 2010-07-30 |
| 源URL | [http://119.78.226.72//handle/331011/10296]  |
| 专题 | 上海天文台_天文地球动力学研究中心 |
| 作者单位 | 1.Chinese Acad Sinica, Shanghai Astron Observ, Shanghai 200030, Peoples R China 2.Chinese Acad Sinica, Natl Astron Observ, Shanghai 200030, Peoples R China |
| 推荐引用方式 GB/T 7714 | Huang, CL,Jin, WJ. Improved estimation of earth rotation parameters using the adaptive ridge regression[J]. EARTH MOON AND PLANETS,1998,81(2):U26-143. |
| APA | Huang, CL,&Jin, WJ.(1998).Improved estimation of earth rotation parameters using the adaptive ridge regression.EARTH MOON AND PLANETS,81(2),U26-143. |
| MLA | Huang, CL,et al."Improved estimation of earth rotation parameters using the adaptive ridge regression".EARTH MOON AND PLANETS 81.2(1998):U26-143. |
入库方式： OAI收割
来源：上海天文台
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