Sparse array imaging of change-detected ultrasonic signals by minimum variance processing

AIP Conference Proceedings

Volumn 1096, Issue , 2009, Pages 642-649

  Michaels, J E ^a   Hall, J S ^a   Hickman, G ^b   Krolik, J ^b  

^a GEORGIA INSTITUTE OF TECHNOLOGY   (United States)

^b Duke University   (United States)

Author keywords

Adaptive imaging; Minimum variance; Sparse array; Structural health monitoring

Indexed keywords

EID: 65149103721     PISSN: 0094243X     EISSN: 15517616     Source Type: Conference Proceeding    
DOI: 10.1063/1.3114316     Document Type: Conference Paper

References (12)

1. T. E. Michaels and J. E. Michaels, "Sparse ultrasonic transducer array for structural health monitoring," Review of Progress in Quantitative Nondestructive Evaluation, 23B, D. O. Thompson and D. E. Chimenti (Eds.), AIP, pp. 1468-1475, 2004.
2. A. J. Croxford, P. D. Wilcox and B. W. Drinkwater, "Guided wave SHM with a distributed sensor network," Proceedings of the SPIE, 6935, 693514:1-9, 2008.
3. X. Zhao, H. Gao, G. Zhang, B. Ayhan, F. Yan, C. Kwan and J. L. Rose, "Active health monitoring of an aircraft wing with embedded piezoelectric sensor/actuator network: I. Defect detection, localization and growth monitoring," Smart Materials and Structures, 16, pp. 1208-1217, 2007.
4. J. E. Michaels, "Detection, localization and characterization of damage in plates with an in situ array of spatially distributed ultrasonic sensors," Smart Materials and Structures, 17, 035035 (15pp), 2008.
5. C. H. Wang, J. T. Rose and F.-K. Chang, "A synthetic time-reversal imaging method for structural health monitoring," Smart Materials and Structures, 13, 415-423, 2004.
6. J. E. Michaels, A. J. Croxford and P. D. Wilcox, "Imaging algorithms for locating damage via in situ ultrasonic sensors," Proceedings of the 2008 IEEE Sensors Applications Symposium, pp. 63-67, 2008.
7. D. Johnson and D. Dudgeon, Array Signal Processing Concepts and Techniques, Prentice Hall, Upper Saddle River, New Jersey, 1993.
8. V. Giurgiutiu and J. Bao, "Embedded-ultrasonics structural radar for in situ structural health monitoring of thin-wall structures," Structural Health Monitoring, 3(2), pp. 121- 140, 2004.
9. J. Capon, "High-resolution frequency-wavenumber spectrum analysis," Proceedings of the IEEE, 57(8), pp. 1408-1418, 1969.
10. O. L. Frost, III, "An algorithm for linearly constrained adaptive array processing," Proceedings of the IEEE, 60(8), pp. 926-935, 1972.
11. S. R. DeGraaf, "Sidelobe reduction via adaptive FIR filtering in SAR imagery," IEEE Transactions on Image Processing, 3(3), pp. 292-301, 1994.
12. B. G. Ferguson, "Minimum variance distortionless response beamforming of acoustic array data," Journal of the Acoustical Society of America, 104(2), pp. 947-954, 1998.