期刊论文

Liu, XJ

英文

Journal of Applied Geophysics

0926-9851

2024

228

105473

10.1016/j.jappgeo.2024.105473

This work is supported by the National Natural Science Foundation of China (grant No. 52078061 and 52308399); and the Postgraduate Research and Innovation-funded Project of Hunan Province, China (grant No. CX20210771). CRediT authorship contribution statement Xianjun Liu: Writing – review & editing, Writing – original draft, Methodology, acquisition, Conceptualization. Tonghua Ling: Project administration, acquisition. Wenjun Liu: Investigation. Jianuo Tan: Formal analysis. Liang Zhang: Resources, acquisition. Yongzhi Jiang: Formal analysis.

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In this study, we propose an accurate gain method for ground-penetrating radar (GPR) signals based on the characteristics of refined time-frequency analysis and translation invariance offered by the Stationary Wavelet Packet Transform (SWPT), combined with the conventional signal gain approach. This method aims to address the issue of low signal resolution resulting from the direct gain processing of GPR signals with a low signal-to-noise ratio (SNR). Specifically, the GPR signals are initially decomposed into appropriate wavelet packet coefficients using SWPT, wherein only those coefficients ...