| 高程异常拟合病态EIV模型的广义岭估计算法 |
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| 引用本文： | 陶叶青,毛广雄,周晓钟.高程异常拟合病态EIV模型的广义岭估计算法[J].大地测量与地球动力学,2018,38(5):520-523. |
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| 作者姓名： | 陶叶青 毛广雄 周晓钟 |
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| 作者单位： | 淮阴师范学院城市与环境学院 |
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| 摘 要： | 应用法方程矩阵的特征向量构造正则化矩阵，改进通过单一参数既要实现降正则化、又要实现正则化的高程异常拟合病态模型算法。以二次多项式拟合模型为例，应用实测数据对算法进行验证，并与现有病态模型的正则化算法进行比较。
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| 关 键 词： | 高程异常拟合 病态EIV模型 正则化 |
Regularization for Ill-Posed EIV Model of Height Anomaly Fitting Based on Generalized Ridge Estimation |
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| TAO Yeqing,MAO Guangxiong,ZHOU Xiaozhong.Regularization for Ill-Posed EIV Model of Height Anomaly Fitting Based on Generalized Ridge Estimation[J].Journal of Geodesy and Geodynamics,2018,38(5):520-523. |
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| Authors: | TAO Yeqing MAO Guangxiong ZHOU Xiaozhong |
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| Abstract: | A modified solution for ill-posed EIV model based on regularization matrix, which is established by eigenvector of normal matrix, is proposed in this paper. The modified solution can overcome the weaknesses of algorithms for EIV model. At last, an instance of height anomaly fitting is utilized to verify the feasibility of the presented solution.By comparison with current solutions, the de-regularization and regularization characters of current solutions are also verified. |
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| Keywords: | height anomaly fitting ill-posed EIV model regularization |
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