| L1估计的分布及统计性质 |
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| 引用本文： | 王志忠.L1估计的分布及统计性质[J].测绘工程,1998,7(2):22-27. |
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| 作者姓名： | 王志忠 |
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| 作者单位： | 中南工业大学!长沙市410083 |
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| 摘 要： | 推导了Ｌ１估计的密度函数，讨论了Ｌ１估计的统计性质，证明Ｌ１估计是无偏估计，同时还证明Ｌ１估计优于ＬＳ估计。
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| 关 键 词： | 密度函数 L1估计 无偏估计 统计性质 |
The Distribution and the Statistical Properties of L_1 Estimate |
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| Wang Zhizhong.The Distribution and the Statistical Properties of L_1 Estimate[J].Engineering of Surveying and Mapping,1998,7(2):22-27. |
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| Authors: | Wang Zhizhong |
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| Abstract: | In this paper, the density function of L1 estimation is derived and the statistical properties of L1 estimate are discussed. The author proves L1 estimation is unbiased estimation and superior to LS estimation. |
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| Keywords: | Density function L_1 estimation Unbiased estimation |
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