Research on dam seepage detecting based on EH-4

Weiqun Li,Gengye Chen,Yuzeng Yao,ChengMan Sha

Mechanic Automation and Control Engineering（2011）

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摘要

This paper analyzes the signal spectral leak problem of continuous conductivity imaging system of EH-4 after Fourier transform of signals adopted from field surveying under different frequency, which influences the data quality. On the base of analyzing and understanding the characteristics and function of different window functions, combined with the analysis and interpretation on the data during the detection of dam leak, the spatial locations of dam seepage are determined, which provides the scientific proof on purdah grouting.

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关键词

fourier transforms,image processing,fourier transform,dam seepage,dams,leak detection,eh-4 continuous conductivity imaging system,structural engineering computing,eh-4,geotechnical engineering,condition monitoring,purdah grouting,signal spectral leak problem,dam seepage detection,apparent resistivity,physics,imaging,conductivity

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