1 |
Symons, N. P., Abbott, R. E., Elbring, G. J., Nguyen, H. D.,O'Rourke, W. T., and Stalker, K. T., 2008, Experiments in active and passive detection of small border tunnels: Presented at 2nd Annual Conference and Showcase on Homeland Security in Action. Available at: http://www.physics-math.com/files/Symons_SandiaNPS_Presentation_v5.pdf [Accessed 13 December, 2009].
|
2 |
Park, S. K., Choi, H. K., and Ra, J. W., 1998, Underground tomogram from cross-borehole measurements: Microwave and Optical Technology Letters, 18, 402–406. doi:10.1002/(SICI)1098-2760(19980820)18:6<402::AID-MOP11>3.0.CO;2-0
|
3 |
Counts, T., Larson, G., Gurbuz, A. C., McClellan, J. H., and Scott, W. R., Jr, 2007, Investigation of the detection of shallow tunnels using electromagnetic and seismic waves: Proceedings of SPIE, 6553, 65531G1–65531G11.
|
4 |
Moran, M. L., and Greenfield, R. J., 1993, Radar signature of a 2.5-D tunnel: Geophysics, 58, 1573–1587. doi:10.1190/1.1443373
|
5 |
Alleman, T. J., Cameron, C. P., and MacLean, H. D., 1993, PEMSS response of rock tunnels to "in-axis" and other nonperpendicular antennae orientations: in Proceedings of the 4th Tunnel Detection Symposium on Subsurface Exploration Technology, 19–44.
|
6 |
Ballard, R. F., 1982, Tunnel detection, Technical Report GL-82–9: U.S. Army Engineer Waterways Experiment Station.
|
7 |
Schneider, J., and Peden, I. C., 1993, Detection of tunnels in low loss media illuminated by a transient pulse: IEEE Transactions on Geoscience and Remote Sensing, 31, 503–506. doi:10.1109/36.214926
|
8 |
Kim, S. W., Hyun, S. Y., Lee, J. H., Lee, S. Y., Cho, J. H., Oh, K. T., and Kim, S. Y., 2007, The development of a pulse borehole radar system for underground cavity detection: IEICE Technical Report SANE2007–80 of 9th Workshop on Subsurface Electromagnetic Measurement, Seoul, Korea, 93–97.
|
9 |
Ellis, G. A., and Peden, I. C., 1997, Cross-borehole sensing: Identification and localization of underground tunnels in the presence of a horizontal stratification: IEEE Transactions on Geoscience and Remote Sensing, 35, 756–761. doi:10.1109/36.581997
|
10 |
Takahashi, K., and Sato, M., 2006, Parametric inversion technique for location of cylindrical structures by cross-hole measurements: IEEE Transactions on Geoscience and Remote Sensing, 44, 3348–3355. doi:10.1109/TGRS.2006.879542
|
11 |
Olhoeft, G. R., 1988, Interpretation of hole-to-hole radar measurements: Proceedings of the 3rd Tunnel Detection Symposium on Subsurface Exploration Technology, 617–629.
|
12 |
Ha, T. S., Choi, H. K., and Ra, J. W., 1996, Numerical calculation of the field scattered by an air tunnel in the dissipative medium excited by a short vertical dipole: 6th International Conference on Ground Penetrating Radar, Proceedings, Sendai, Japan, 299–303.
|
13 |
Kim, S. Y., and Ra, J. W., 1993, The role of cross borehole radar in the discovery of a Fourth tunnel at KoreaDMZ:Proceedings of the 4th Tunnel Detection Symposium on Subsurface Exploration Technology, 253–257.
|
14 |
Duff, B., 1983, A review of electromagnetic methods used for detection of underground tunnels and cavities: IEEE International Symposium on Antennas and Propagation Proceedings, 21, 634–638.
|