Enhancement of Cross-Borehole Pulse Radar Signature on a Partially Water-Filled Tunnel

<div>Numerical model of a cross-borehole pulse radar in a well-suited tunnel test site in Korea. (a) Three-dimensional numerical model. 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International Journal of Antennas and Propagation

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Figure 2

Figure 2: Enhancement of Cross-Borehole Pulse Radar Signature on a Partially Water-Filled Tunnel 