Separation Study of Bridge Deflection Based on Sigular Value Decomposition

LIU Xiaping; YANG Hong; SUN Zhuo; YANG Jian; LIU Airong

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Separation Study of Bridge Deflection Based on Sigular Value Decomposition

更新时间：2023-12-11

- Separation Study of Bridge Deflection Based on Sigular Value Decomposition
- Acta Scientiarum Naturalium Universitatis SunYatseni Vol. 52, Issue 3, Pages: 11-16(2013)
- 作者机构：
  
  1. 广州大学土木工程学院,广东,广州,510006
  2. 
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2013，
  
  Published Online：25 May 2013，
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LIU Xiaping, YANG Hong, SUN Zhuo, et al. Separation Study of Bridge Deflection Based on Sigular Value Decomposition. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 52(3):11-16(2013)
DOI：

LIU Xiaping, YANG Hong, SUN Zhuo, et al. Separation Study of Bridge Deflection Based on Sigular Value Decomposition. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 52(3):11-16(2013) DOI：

摘要

针对桥梁挠度各成分的分离问题，利用温度挠度具有周期性的特点，基于奇异值分解提取周期信号原理，提出桥梁挠度监测信号中精确分离各分量的方法。计算及分析结果表明，该方法能有效分离挠度监测信号中各种效应值，挠度分离效果良好，尤其对具有周期性特点的桥梁挠度温度效应分离特别有效，为桥梁挠度信号分离提供了一种有效的方法。 

Abstract

For the separation problem of bridge deflection monitoring

a precise method of separation deflection is presented using sigular value decomposition principle according to the periodic characteristics of the bridge deflection. Experimental and analytical results show that the method separate the various deflection components from the long term monitoring deflection

and the separation effect of temperature deflection with the periodic characteristics was good specially from the long term monitoring deflection.A new and precise method of separation deflection is provided.

关键词

奇异值分解桥梁挠度分离温度效应

Keywords

sigular value decompositionbridge deflectionseparationtemperature effect

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