Time-reversal focusing of elastic waves in inhomogeneous media: An application to an elastic-wave landmine detection system

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 5794, Issue PART I, 2005, Pages 632-642

  Norville, Pelham D ^a   Scott Jr , Waymond R ^a  

^a GEORGIA INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

Elastic waves; Focusing; Seismic; Time reversal

Indexed keywords

SCATTERING OBJECTS; SEISMIC; SUPER-RESOLUTION; TIME-REVERSAL;

FOCUSING; MINES; OPTICAL RESOLVING POWER; ROCKS; SEISMOLOGY; SOILS; TARGETS;

ELASTIC WAVES;

EID: 26844468541     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.603980     Document Type: Conference Paper

References (10)

1. W. R. Scott, Jr., J. S. Martin, and G. D. Larson, "Experimental model for a seismic landmine detection system," IEEE Trans. on Geoscience and Remote Sensing 39(6), 2001.
2. P. D. Norville, W. R. Scott, Jr., and G. D. Larson, "An investigation of time reversal techniques in seismic landmine detection," Proc. SPIE Defense and Security Symposium 5415, Apr. 2004.
3. A. Derode, P. Roux, and M. Fink, "Robust acoustic time reversal with high-order multiple scattering," Phys. Rev. Lett. 75, 1995.
4. P. Blomgren, G. Papanicolaou, and H. Zhao, "Super-resolution in time-reversal acoustics," J. Acoust. Soc. Am. 111, pp. 230-248, Jan. 2002.
5. L. Borcea, G. Papanicolaou, and C. Tsogka, "Theory and applications of time reversal and interferometric imaging," Inverse Problems 19(6), 2003.
6. M. Fink, "Time-reversal of ultrasonic fields - part i: Basic principles," IEEE Trans. Ultrason., Ferroelec., Freq. Contr. 39(5), 1992.
7. D. Cassereau and M. Fink, "Time-reversal of ultrasonic fields - part iii: Theory of the closed time-reversal cavity," IEEE Trans. Ultrason., Ferroelec., Freq. Contr. 39(5), 1992.
8. M. Fink, C. Prada, F. Wu, and D. Cassereau, "Self focusing in inhomogeneous media with time reversal acoustic mirrors," IEEE Ultrason. Symp., pp. 681-686, 1989.
9. F. Wu, J.-L. Thomas, and M. Fink, "Time-reversal of ultrasonic fields - part ii: Experimental results," IEEE Trans. Ultrason., Ferroelec., Freq. Contr. 39(5), 1992.
10. C. T. Schröder, On the Interaction of Elastic Waves with Buried Land Mines: an Investigation Using the Finite-Difference Time-Domain Method. PhD thesis, Georgia Institute of Technology, July 2001.