Short-Time Fourier Transform of Deeply Located Tunnel Signatures Measured by Cross-Borehole Pulse Radar

被引：24

作者：

Kim, Sang-Wook ^{[1
]}

Kim, Se-Yun ^{[2
]}

Nam, Sangwook ^{[1
]}

机构：

[1] Seoul Natl Univ, Sch Elect Engn & Comp Sci, Seoul 151744, South Korea

[2] Korea Inst Sci & Technol, Imaging Media Res Ctr, Seoul 136791, South Korea

来源：

IEEE GEOSCIENCE AND REMOTE SENSING LETTERS | 2011年 / 8卷 / 03期

关键词：

Air cavity; cross-hole radar; pulse radar; short-time Fourier transform (STFT); underground tunnel;

D O I：

10.1109/LGRS.2010.2089039

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

The pulse signatures of a deeply located dormant tunnel are measured by operating cross-borehole short-pulse radar in a well-suited tunnel test site in Korea. The relatively fast arrival of the first peak at depth of the empty tunnel, as indicated by data analysis, may play a key role in detecting the tunnel's precise location. Following short-time Fourier transform (STFT) of the data, the arrival time of the first peak is shown to be faster and more distinctive than that without STFT if the observation frequency is properly selected.

引用

页码：493 / 496

页数：4

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