| 利用离散小波探测沉降测值异常 |
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| 引用本文： | 李鹏,田林亚,宋超.利用离散小波探测沉降测值异常[J].测绘科学,2007,32(1):47-48. |
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| 作者姓名： | 李鹏 田林亚 宋超 |
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| 作者单位： | 北京城建勘测设计研究院有限责任公司,北京,100101;河海大学测量工程系,南京,210098 |
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| 摘 要： | 研究小波变换在沉降测值异常探测中的应用问题,实例分析证明:借助离散小波的多分辨率分析,能有效地探测和剔除沉降观测中的异常值,获得有效的沉降数据,为进一步进行沉降分析与预报提供可靠保证。
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| 关 键 词： | 小波变换 多分辨率分析 异常值 |
| 文章编号： | 1009-2307(2007)01-0047-02 |
| 修稿时间： | 2006-02-10 |
Detecting abnormality of sedimentation observed value using discrete wavelet |
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| LI Peng,TIAN Lin-ya,SONG Chao.Detecting abnormality of sedimentation observed value using discrete wavelet[J].Science of Surveying and Mapping,2007,32(1):47-48. |
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| Authors: | LI Peng TIAN Lin-ya SONG Chao |
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| Abstract: | The application of wavelet transformation in detecting abnormality of sedimentation observed value is studied firstly.The results show that multi-resolution analysis is useful to detect and reject abnormality of sedimentation observed value to obtain effective sedimentation data.It can supply assurance for further analyzing and forecasting sedimentation information. |
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| Keywords: | wavelet transformation multi-resolution analysis abnormality |
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