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    "Underwater Acoustic Modelling and Simulation", 3rd Edition by Paul C. Etter

    Posted By: exLib
    "Underwater Acoustic Modelling and Simulation", 3rd Edition by Paul C. Etter

    "Underwater Acoustic Modelling and Simulation" by Paul C. Etter
    Third Edition
    Spon Press, Taylor & Francis Group | 2003 | ISBN: 0203419103 0419262202 9780419262206 9780203419106 | 447 pages | PDF | 5 MB

    This book examines the translation of our physical understanding of sound into mathematical models that can simulate acoustic propagation, noise and reverberation in the sea. The book provides useful guidance to systems engineers and operations analysts interested in simulating sonar performance.

    The book have provided invaluable guidance to sonar technologists, acoustical oceanographers and applied mathematicians in the selection and application of underwater acoustic models.
    Guidelines for selecting and using available propagation, noise and reverberation models are highlighted. Specific examples of each type of model are discussed to illustrate model formulations, assumptions and algorithm efficiency. Instructive case studies demonstrate applications in sonar simulation.

    Contents
    Preface
    Preface to the second edition
    Preface to the first edition
    Acknowledgments
    1 Introduction
    1.1 Background
    1.2 Measurements and prediction
    1.3 Developments in modeling
    1.4 Advances in simulation
    1.5 Operational challenges
    1.6 Inverse acoustic sensing of the oceans
    1.7 Standard definitions
    2 Acoustical oceanography
    2.1 Background
    2.2 Physical and chemical properties
    2.3 Sound speed
    2.4 Boundaries
    2.5 Dynamic features
    2.6 Biologies
    3 Propagation I: observations and physical models
    3.1 Background
    3.2 Nature of measurements
    3.3 Basic concepts
    3.4 Sea-surface boundary
    3.5 Sea-floor boundary
    3.6 Attenuation and absorption in sea water
    3.7 Surface ducts
    3.8 Deep-sound channel
    3.9 Convergence zones
    3.10 Reliable acoustic path
    3.11 Shallow-water ducts
    3.12 Arctic half-channel
    3.13 Coherence
    4 Propagation II: mathematical models (Part One)
    4.1 Background
    4.2 Theoretical basis for propagation modeling
    4.3 Ray-theory models
    4.4 Norma I-mode models
    4.5 Multipath expansion models
    4.6 Fast-field models
    4.7 Parabolic equation models
    4.8 The RAYMODE model a specific example
    4.9 Numerical model summaries
    5 Propagation II: mathematical models (Part Two)
    5.1 Background
    5.2 Surface duct models
    5.3 Shallow-water duct models
    5.4 Arctic models
    5.5 Data support requirements
    5.6 Special applications and inverse techniques
    6 Noise I: observations and physical models
    6.1 Background
    6.2 Noise sources and spectra
    6.3 Depth dependence
    6.4 Directionality
    6.5 Arctic ambient noise
    6.6 Acoustic daylight
    6.7 Geoacoustic inversion
    7 Noise II: mathematical models
    7.1 Background
    7.2 Theoretical basis for noise modeling
    7.3 Ambient-noise models
    7.4 The RANDI model a specific example
    7.5 The noise notch
    7.6 Beam-noise statistics models
    7.7 Data support requirements
    7.8 Numerical model summaries
    8 Reverberation I: observations and physical models
    8.1 Background
    8.2 Volume reverberation
    8.3 Boundary reverberation
    8.4 Inversion techniques
    9 Reverberation II: mathematical models
    9.1 Background
    9.2 Theoretical basis for reverberation modeling
    9.3 Cell-scattering models
    9.4 The REVMOD model a specific example
    9.5 Bistatic reverberation
    9.6 Point-scattering models
    9.7 Numerical model summaries
    10 Sonar performance models
    10.1 Background
    10.2 Sonar equations
    10.3 The NISSM model a specific example
    10.4 Model operating systems
    10.5 Data sources and availability
    10.6 Numerical model summaries
    11 Model evaluation
    11.1 Background
    11.2 Past evaluation efforts
    11.3 Analytical benchmark solutions
    11.4 Quantitative accuracy assessments
    11.5 The POSSM experience a specific example
    11.6 Evaluation guidelines
    11.7 Documentation standards
    12 Simulation
    12.1 Background
    12.2 Hierarchical levels
    12.3 Simulation infrastructure
    12.4 High-level architecture
    12.5 Testbeds
    12.6 Applications
    Appendix A: Abbreviations and acronyms
    Appendix B: Glossary of terms
    Appendix C: Websites
    References
    Author index
    Subject index
    with TOC BookMarkLinks