Calculation of the permittivity of inhomogeneous media based on the TEDAWT method

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成果类型：

期刊论文

作者：

Ling, Tonghua;He, Wenchao;Zhang, Sheng;Zhang, Liang;Huang, Fu*;...

通讯作者：

Huang, Fu

作者机构：

[Ling, Tonghua; He, Wenchao; Huang, Fu; Hua, Fei] Changsha Univ Sci & Technol, Sch Civil Engn, Changsha 410114, Peoples R China.

[Zhang, Liang; Zhang, Sheng] Hunan City Univ, Coll Civil Engn, Yiyang 413000, Peoples R China.

通讯机构：

[Huang, Fu] C

Changsha Univ Sci & Technol, Sch Civil Engn, Changsha 410114, Peoples R China.

语种：

英文

关键词：

Geological surveys;Geophysical prospecting;Ground penetrating radar systems;Inverse problems;Nondestructive examination;Permittivity;Quality control;Reinforcement;Signal processing;Biorthogonal wavelet base construction;Biorthogonal wavelet basis;Dielectric permittivities;Energy density analysis;Ground Penetrating Radar;Inhomogeneous medium;Time-energy density;Time-energy density analyse of wavelet transform method;Transform methods;Wavelets transform;Wavelet transforms;accuracy assessment;data inversion;dielectric property;ground penetrating radar;inhomogeneity;numerical method;permittivity;quantitative analysis;theoretical study;waveform analysis;wavelet analysis

期刊：

Journal of Applied Geophysics

ISSN：

0926-9851

年：

2022

卷：

196

页码：

104513

DOI：

10.1016/j.jappgeo.2021.104513

基金类别：

The research reported in this paper received financial support from the National Natural Science Foundation of China (Grants Nos. 52078061 , 51678071 , and 51878074 ) and the Postgraduate Research and Innovation-funded Project of Hunan Province, China (Grants Nos. CX20200842 and CX20200837 ). This financial support is greatly appreciated.

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本校为其他机构

院系归属：

土木工程学院

摘要：

In the field of nondestructive inspection, ground-penetrating radar (GPR) is a widely used investigation tool, usually to evaluate quality and safety in structural engineering. However, its development has been limited due to differences in the dielectric constant in inhomogeneous media. In this study, a time-energy density analysis of wavelet transform (TEDAWT) method for GPR signal singularity recognition was proposed. In addition, a biorthogonal wavelet basis with high similarity to GPR signal waveform was innovatively constructed and added ...

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Calculation of the permittivity of inhomogeneous media based on the TEDAWT method

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