| 二元样条最小二乘在地图投影数据加密中的应用 |
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| 引用本文： | 郭建锋,朱长青. 二元样条最小二乘在地图投影数据加密中的应用[J]. 测绘工程, 2000, 9(4): 25-27 |
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| 作者姓名： | 郭建锋 朱长青 |
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| 作者单位： | 信息工程大学测绘学院,河南郑州 450052;信息工程大学测绘学院,河南郑州 450052 |
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| 摘 要： | 首先讨论了二元样条最小二乘拟合的原理和计算方法,然后给出了该方法在地图投影数据加密中的应用。结论表明,所述方法具有很好的精度和稳定性。
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| 关 键 词： | 样条最小二乘 线性空间 地图投影 |
| 文章编号： | 1006－7949(2000)04-0025-03 |
| 修稿时间： | 2000-04-25 |
Spline Least Squares with Two Variables and Its Application in Cartography |
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| GUO Jian feng,ZHU Chang qing. Spline Least Squares with Two Variables and Its Application in Cartography[J]. Engineering of Surveying and Mapping, 2000, 9(4): 25-27 |
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| Authors: | GUO Jian feng ZHU Chang qing |
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| Abstract: | In this paper, the principle and method of spline least squares with two variables are discussed at first. In the following parts its application in cartography is given. The result indicate that the precision and stability of this method can be ensured. |
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| Keywords: | Spline least squares Linear space Map projecti0 |
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