Shallow grazing angle sonar detection of targets buried under a rippled sand interface

Oceans Conference Record (IEEE)

Volumn 1, Issue , 2002, Pages 461-467

  Lopes, J L ^a   Nesbitt, C L ^a   Lim, R ^a   Tang, D ^b   Williams, K L ^b   Torsos, E I ^b  

^a NAVAL SURFACE WARFARE CENTER   (United States)

^b UNIVERSITY OF WASHINGTON   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC TRANSDUCERS; ACOUSTIC WAVE BACKSCATTERING; ACOUSTIC WAVE PROPAGATION; REVERBERATION; SAND; SURFACE TOPOGRAPHY; TRACKING (POSITION);

SHALLOW GRAZING ANGLE DETECTION;

SONAR;

EID: 0037633340     PISSN: 01977385     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (21)

1. N. P. Chotiros, "High frequency acoustic bottom penetration: theory and experiment," in Proceedings of Oceans '89 (IEEE Publications No. 89CH2780-5) (IEEE, New York, 19870). Vol. 3.
2. J. L. Lopes, "Observation of anomalous acoustic penetration into sediment at shallow grazing angles," J. Acoust. Soc. Am., 99, 2473-2474 (1996) (A).
3. J. L. Lopes, I. C. Paustian, R. Marciniak, and D. L. Folds, "Dual-frequency acoustic lens sonar system development for the detection of both buried objects and objects proud of the bottom," Proceeding of SPIE AeroSense99, Orlando. FL, April 1999.
4. H. J. Simpson and B. H. Houston, "A synthetic array measurement of acoustical waves propagating into a water-saturated sandy bottom for a smoothed and a roughened interface," J. Acoust. Soc. Am., 107, 2329-2336 (2000).
5. A. Maguer, W. L. Fox, H. Schmidt, E. Pouliquen, and E. Bovio, "Mechanisms for subcritical penetration into a sandy bottom: Experimental and modeling results," J. Acoust. Soc. Am., 107, 1215-1225 (2000).
6. E. I. Thorsos, et al., "An overview of SAX99: acoustic measurements," IEEE J. Ocean. Eng., 26, 4-25 (2001).
7. E. I. Thorsos, et al., "An experiment in high-frequency sediment acoustics: SAX99," in "Acoustical Oceanography," Proc. Institute of Acoustics (T. G. Leighton et al. (eds.)), Vol. 23. Part 2, 2001. pp. 344-354.
8. R. Lim, I. C. Paustian, and J. L. Lopes, "Acoustic transmission across a roughened fluid-fluid interface," J. Acoust. Soc. Am., 109, 1367-1383 (2001).
9. N. P. Chotiros, "Biot model of sound, propagation in water-saturated sand," J. Acoust. Soc. Am., 97, 199-214 (1995).
10. H. J. Simpson and B. H. Houston, "Analysis of laboratory measurements of sound propagating into an unconsolidated water-saturated porous media," J. Acoust. Soc. Am., 103, 3095-3096 (1998).
11. N. P. Chotiros, D. E. Smith, and J. N. Piper, "Refraction and scattering into a sandy ocean sediment in the 30 to 40 kHz band," IEEE J. Ocean. Eng., in press.
12. D. R. Jackson, K. L. Williams, E. I. Thorsos, and S. G. Kargl, "High-frequency subcritical acoustic penetration into a sandy sediment," IEEE J. Ocean. Eng., in press.
13. M. D. Richardson, et al., "Overview of SAX99: Environmental considerations." IEEE J. Ocean. Eng., 26, 26-53 (Jan. 2001).
14. J. Piper. "Buried target detection with a synthetic aperture sonar," MTS/IEEE Oceans 2001, pp. 220-224, November 2001.
15. J. E. Piper, K. W. Commander, E. I. Thorsos, and K. L. Williams, "Detection of buried targets using a synthetic aperture sonar," IEEE J. Ocean. Eng., in press.
16. R. Lim, K. L. Williams, and E. I. Thorsos, "Acoustic scattering by a three-dimensional elastic object near a rough surface," J. Acoust. Soc. Am., 107, 1246-1262 (2000).
17. D. Tang, et al., "Fine-scale volume heterogeneity measurements in sand," IEEE J. Ocean. Eng., in press.
18. D. L. Folds and C. D. Loggins, "Target strength of liquid-filled spheres," J. Acoust. Soc. Am., 73, 1147-1151 (1983).
19. K. B. Briggs, D. Tang, and K. L. Williams, "Characterization of interface roughness of rippled sand off Fort Walton Beach, Florida," IEEE J. Ocean. Eng., in press.
20. D. E. Hawkins, Synthetic Aperture Imaging Algorithms: with Application to Wide Bandwidth Sonar, Ph.D. Dissertation, University of Canterbury, Christchurch, New Zealand, October 1996.
21. K. L. Williams and D. R. Jackson, "Bistatic bottom scattering: Model, experiments, and model/data comparisons," J. Acoust. Soc. Am., 103, 169-181 (1998).