Theoretical and computational acoustics 2001 : Beijing, China, 21-25 May 2001 / editors, Er-Chang Shang, Qihu Li, T.F. Gao.

Format:

Book

Conference/Event

Contributor:

Shang, Erchang.

Li, Qihu.

Gao, T. F.

Conference Name:

Theoretical and Computational Acoustics (5th : 2001 : Beijing, China)

International Conference on Theoretical and Computational Acoustics (5th : 2001 : Beijing, China)

Language:

English

Subjects (All):

Sound-waves--Measurement--Congresses.

Sound-waves.

Underwater acoustics--Measurement--Congresses.

Underwater acoustics.

Physical Description:

1 online resource (691 p.)

Place of Publication:

River Edge, N.J. : World Scientific, c2002.

Language Note:

English

Summary:

This book contains 67 papers presented at ICTCA2001. It includes three keynote addresses surveying the frontier developments in computational and theoretical acoustics. The papers cover aero-, seismo- and ocean acoustics, as well as ultrasonics. Computational methods, numerical simulation, theoretical analysis and experimental results are emphasized by different papers.The proceedings have been selected for coverage in: Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings)

Contents:

Preface; CONTENTS; Parabolic Equation Development in the Twentieth Century (Keynote); 1 INTRODUCTION; 2 BACKGROUND; 3 BASIC THEORETICAL DEVELOPMENT; 4 ADVANTAGES AND LIMITATIONS; 5 CONTRIBUTIONS PRIOR TO 1984; 6 CONTRIBUTIONS FROM 1984 TO 1994; 7 Contributions between 1995 and 1999; 8 REMAINING ISSUES AND PROBLEMS; 9 CONCLUSIONS; References; Wave Propagation in Dispersive Marine Sediments: A Memorial to David G. Crighton (Keynote); 1 Introduction; 2 Grain-Contact Physics; 3 Random Stick-Slip Stress Relaxation; 4 The Probability Density Function; 5 Strain-Hardening and the Pulse-Shape Function

6 Wave Speeds and Attenuations7 Concluding Remarks; References; Design Philosophy of Model-Based Sonar System (Keynote); 1 Introduction; 2 Robust Signal Processor; 3 Model based sonar signal processor; 4 Matched Filter Processor (MFP); 5.DATA Fusion; REFERENCES; Efficient Broadband Signal Simulation in Shallow Water: A Modal Approach; 1 INTRODUCTION; 2 PROSIM; 3 C-SNAP; 4 RAM; 5 TEST PROBLEMS; 6 SUMMARY AND CONCLUSIONS; REFERENCES; Modeling the Effects of Horizontal Refraction and Medium Non-Stationarity in Ocean Acoustics; 1 Introduction; 2 Adiabatic Normal Modes in 3-D and 4-D

3 Effects of Horizontal Inhomogeneities on Mode Phase and Amplitude4 Ray Travel Time Bias Due to Horizontal Refraction; 5 Modeling Ray Travel Time and Signal Spectrum Variation in the Non-Stationary Ocean; 6 Quasi-Stationary Approximation for Adiabatic Normal Modes; 7 Significance of 3-D and 4-D Effects; 8 Summary; REFERENCES; Propagation Modeling in Range-Dependent Shallow Water Scenarios; 1 Introduction; 2 The ASA Wedge (1990); 3 Workshop97 SWAM99 Stennis Inversion Workshop '01 Chicago '01 ASA; 4 Conclusions; 5 Acknowledgements; 6 References

The ASIAEX 2000 Preliminary Experiment in the East China SeaIntroduction; Dr. Warren Denner; ASIAEX - A brief overview of the 2000-2001 field programs; Acoustic Modeling Results; Extraction of Modal Back-Scattering Matrix from Reverberation Data in Shallow-Water Waveguide Part I - Theory; 1 INTRODUCTION; 2 REVERBERATION FIELD; 3 MODAL BACK-SCATTERING MATRIX INVERSION; SUMMARY; References; Analysis of the Split-Step Fourier Algorithm for the Solution of Parabolic Wave Equations; INTRODUCTION; I PARABOLIC WAVE EQUATION; II SPLIT-STEP FOURIER ALGORITHM; III NUMERICAL EXAMPLE; References

Recent Progresses on Shallow Water Reverberation1 Introduction; 2 Ray-Mode Reverberation Model [3]; 3 Coherent Reverberation Model [5]; 4 Coupled Mode-PE Nx2-D Reverberation Model; 5 Spatial Correlation Theory Of Reverberation; 6 Mode Filtering From Propagation And Reverberation Data; 7 Geo-Acoustic Inversion From Reverberation; 8 SUMMARIES; REFERENCES; On Acoustic Tomography Scheme for Reconstruction of Hydrophysical Parameters for Marine Environment; 1 Introduction; 2 Theory; 3 Numerical modeling; 4 Conclusions; References

Acoustic Tomography of Water Hydrophysical Structure in the Japan Sea

Notes:

Proceedings of the Fifth International Conference on Theoretical and Computational Acoustics (ICTCA).

Includes bibliographical references.

ISBN:

9786611929626

9781281929624

128192962X

9789812777362

9812777369