HyperSonic Sound

Tim Bigelow: Experimental Evaluation Of Nonlinear Indices For Ultrasound Transducer Characterizations",
Master's Thesis, University of Illinois at Urbana-Champaign, 2001.

Source: www.brl.uiuc.edu/Downloads/bigelow/

PDF:
Introduction
Chapter 1  Chapter 2  Chapter 3  Chapter 4
Chapter 5  Chapter 6  Chapter 7  Chapter 8
Appendix A  Appendix B  Appendix C  Appendix D
Appendix E  Appendix F  Appendix G
References  Summary 

Yin, Xiangtao, "The Study of Ultrasonic Pulse-Echo Subwavelength Defect Detection Mechanism," Ph.D. Thesis, University of Illinois at Urbana-Champaign, 2003.
PDF: Thesis (2,476KB)