Analysis of Cross-Borehole Pulse Radar Signatures on a Half Water-Filled Tunnel

Authors
Jung, Ji-HyunKim, Se-Yun
Issue Date
2013
Publisher
IEEE
Citation
3rd Asia-Pacific Microwave Conference Proceedings (APMC), pp.473 - 475
Abstract
The effect of the water collected in the bottom of an empty tunnel on cross-borehole radar signatures is analyzed using the finite-difference time-domain (FDTD) method. The cross-borehole pulse radar is represented by 3-dimensional model and B-scan images are calculated in two cases of fully air-filled and half water-filled tunnels. The first positive peak in the B-scan image appears in a later time and moves upward direction than the tunnel center as the water is collected in tunnel. To estimate the central position of the half water-filled tunnel, the first negative peak is adopted here and its utility is described clearly.
URI
https://pubs.kist.re.kr/handle/201004/115447
Appears in Collections:
KIST Conference Paper > 2013
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