Least Square Deconvolution Algorithm and Its Application in Measurement of Dynamic Deflection of Bridge

YANG Xue-zhi; YAN Pu-qiang; YAN Lei; WANG Jian-min

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Least Square Deconvolution Algorithm and Its Application in Measurement of Dynamic Deflection of Bridge

更新时间：2025-07-16

- Least Square Deconvolution Algorithm and Its Application in Measurement of Dynamic Deflection of Bridge
- Acta Electronica Sinica Vol. 28, Issue 10, Pages: 121-123(2000)
- 作者机构：
  
  1. 北京大学遥感与地理信息系统研究所,北京,100871
  2. 清华大学精密测量技术与仪器国家重点实验室,北京,100084
  3. 北京大学遥感与地理信息系统研究所北京,100871
  4. 清华大学精密测量技术与仪器国家重点实验室北京,100084
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.72
- Published：2000
- 稿件说明：
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YANG Xue-zhi, YAN Pu-qiang, YAN Lei, et al. Least Square Deconvolution Algorithm and Its Application in Measurement of Dynamic Deflection of Bridge[J]. Acta Electronica Sinica, 2000, 28(10): 121-123.
DOI：

YANG Xue-zhi, YAN Pu-qiang, YAN Lei, et al. Least Square Deconvolution Algorithm and Its Application in Measurement of Dynamic Deflection of Bridge[J]. Acta Electronica Sinica, 2000, 28(10): 121-123. DOI：

摘要

本文给出的最小平方卷积反演方法

利用了输入信号的时限约束

用Hilbert空间中的正交投影的方法

得到最小平方意义下的最优解.本文利用该方法成功地从惯性传感器信号中反演出桥梁动挠度信号

并给出与其他方法的比较

证明了该方法的有效性

为桥梁动挠度测试提供了一种新的手段.

Abstract

In this paper

the least square deconvolution algorithm is deduced from the orthogonal projection method in Hilbert space.The solution is the optimum one in the sense of least square.Using this method

the dynamic deflection signal is successfully obtained from the signal of inertial transducer

which is distorted seriously.The comparison with other methods proves the effectiveness of this method.This method provides a new approach for the measurement of dynamic deflection of bridge.

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