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Applied Underwater Acoustics

Applied Underwater Acoustics
Leif Bjørnø

by Thomas Neighbors,David Bradley

  • Publisher : Elsevier
  • Release : 2017-01-19
  • Pages : 980
  • ISBN : 0128112476
  • Language : En, Es, Fr & De
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Applied Underwater Acoustics meets the needs of scientists and engineers working in underwater acoustics and graduate students solving problems in, and preparing theses on, topics in underwater acoustics. The book is structured to provide the basis for rapidly assimilating the essential underwater acoustic knowledge base for practical application to daily research and analysis. Each chapter of the book is self-supporting and focuses on a single topic and its relation to underwater acoustics. The chapters start with a brief description of the topic’s physical background, necessary definitions, and a short description of the applications, along with a roadmap to the chapter. The subtopics covered within individual subchapters include most frequently used equations that describe the topic. Equations are not derived, rather, assumptions behind equations and limitations on the applications of each equation are emphasized. Figures, tables, and illustrations related to the sub-topic are presented in an easy-to-use manner, and examples on the use of the equations, including appropriate figures and tables are also included. Provides a complete and up-to-date treatment of all major subjects of underwater acoustics Presents chapters written by recognized experts in their individual field Covers the fundamental knowledge scientists and engineers need to solve problems in underwater acoustics Illuminates, in shorter sub-chapters, the modern applications of underwater acoustics that are described in worked examples Demands no prior knowledge of underwater acoustics, and the physical principles and mathematics are designed to be readily understood by scientists, engineers, and graduate students of underwater acoustics Includes a comprehensive list of literature references for each chapter

Applied Underwater Acoustics

Applied Underwater Acoustics
A Book

by David Gorda Tucker,B. K. Gazey

  • Publisher : Elsevier Science & Technology
  • Release : 1966
  • Pages : 244
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Underwater Acoustic Systems

Underwater Acoustic Systems
A Book

by Anonim

  • Publisher : Macmillan International Higher Education
  • Release : 1990-02-06
  • Pages : 188
  • ISBN : 1349205087
  • Language : En, Es, Fr & De
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Underwater Acoustic Signal Processing

Underwater Acoustic Signal Processing
Modeling, Detection, and Estimation

by Douglas A. Abraham

  • Publisher : Springer
  • Release : 2019-02-14
  • Pages : 834
  • ISBN : 3319929836
  • Language : En, Es, Fr & De
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This book provides comprehensive coverage of the detection and processing of signals in underwater acoustics. Background material on active and passive sonar systems, underwater acoustics, and statistical signal processing makes the book a self-contained and valuable resource for graduate students, researchers, and active practitioners alike. Signal detection topics span a range of common signal types including signals of known form such as active sonar or communications signals; signals of unknown form, including passive sonar and narrowband signals; and transient signals such as marine mammal vocalizations. This text, along with its companion volume on beamforming, provides a thorough treatment of underwater acoustic signal processing that speaks to its author’s broad experience in the field.

Underwater Acoustic Data Processing

Underwater Acoustic Data Processing
A Book

by Y. T. Chan

  • Publisher : Springer Science & Business Media
  • Release : 1989-03-31
  • Pages : 674
  • ISBN : 9780792301271
  • Language : En, Es, Fr & De
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This book contains the papers that were accepted for presentation at the 1988 NATO Advanced Study Institute on Underwater Acoustic Data Processing, held at the Royal Military College of Canada from 18 to 29 July, 1988. Approximately 110 participants from various NATO countries were in attendance during this two week period. Their research interests range from underwater acoustics to signal processing and computer science; some are renowned scientists and some are recent Ph.D. graduates. The purpose of the ASI was to provide an authoritative summing up of the various research activities related to sonar technology. The exposition on each subject began with one or two tutorials prepared by invited lecturers, followed by research papers which provided indications of the state of development in that specific area. I have broadly classified the papers into three sections under the titles of I. Propagation and Noise, II. Signal Processing and III. Post Processing. The reader will find in Section I papers on low frequency acoustic sources and effects of the medium on underwater acoustic propagation. Problems such as coherence loss due to boundary interaction, wavefront distortion and multipath transmission were addressed. Besides the medium, corrupting noise sources also have a strong influence on the performance of a sonar system and several researchers described methods of modeling these sources.

Underwater Acoustic Modelling and Simulation, Third Edition

Underwater Acoustic Modelling and Simulation, Third Edition
A Book

by P.C. Etter

  • Publisher : CRC Press
  • Release : 2003-12-08
  • Pages : 384
  • ISBN : 9780203417652
  • Language : En, Es, Fr & De
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Underwater Acoustic Modeling and Simulation examines the translation of our physical understanding of sound in the sea into mathematical models that can simulate acoustic propagation, noise and reverberation in the ocean. These models are used in a variety of research and operational applications to predict and diagnose the performance of complex sonar systems operating in the undersea environment. Previous editions of the book have provided invaluable guidance to sonar technologists, acoustical oceanographers and applied mathematicians in the selection and application of underwater acoustic models. Now that simulation is fast becoming an accurate, efficient and economical alternative to field-testing and at-sea training, this new edition will also provide useful guidance to systems engineers and operations analysts interested in simulating sonar performance. 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.

Underwater Acoustic System Analysis

Underwater Acoustic System Analysis
A Book

by William S. Burdic

  • Publisher : Peninsula Pub
  • Release : 2002
  • Pages : 466
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Underwater Aacoustic System Analysis provides a comprehensive exploration of underwater acoustics, acoustic signal generation, and acoustic signal processing for the practicing systems analyst and systems engineer. This second edition, first published in 1991, contains all the valuable information in the earlier edition plus a detailed discussion of of adaptive processing as applied to spatial filtering. Highlights of the book are: * Generation and propagation of compressional acoustic acoustic waves in the ocean * narrowband signatures of surface ships caused by cavitating propeller blades and diesel engine firing * Optimization of signal-to-noise ratio and spatial reslution in the presence of multiple acoustic signals * Ambient noise in the ocean, and * Examples of sytem performance analysis

Underwater Acoustic Modeling and Simulation

Underwater Acoustic Modeling and Simulation
A Book

by Paul C. Etter

  • Publisher : CRC Press
  • Release : 2018
  • Pages : 608
  • ISBN : 9781138054929
  • Language : En, Es, Fr & De
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Underwater Acoustic Modeling and Simulation (5th edition) examines the translation of our physical understanding of sound in the sea into mathematical models that can simulate acoustic propagation, noise, and reverberation in the ocean. These models are used in a variety of research and operational applications to predict and diagnose the performance of complex sonar systems operating in the undersea environment. This fifth edition addresses advances in the development and utilization of underwater acoustic models since 2013. The inventory of underwater acoustic models has increased by approximately 10 percent over this period, thus demonstrating a continued expansion of related research and development activities. Major new developments are described in newly created subsections of the existing chapters. This book is intended for those who have a fundamental understanding of underwater acoustics, but who are not yet familiar with the various aspects of modeling. The level of technical detail presented in this book is appropriate for a broad spectrum of practitioners and students in sonar technology, acoustical oceanography, marine engineering, naval operations analysis, systems engineering, and applied mathematics. Sufficient mathematical derivations are included to demonstrate model formulations, and guidelines are provided to assist in the selection and proper application of these models. Updated inventory of underwater acoustic models available for current research and development activities. Discussion of specific examples of each type of model to illustrate model formulations, assumptions, and algorithm efficiency. Instructions in the proper application of models and the correct interpretation of results to assess prediction uncertainties. Demonstration of how underwater acoustic models can serve as enabling tools for assessing noise impacts on the ocean soundscape. Inclusion of updated discussion and analytic questions in each chapter to help students assess their comprehension.

3D Underwater Acoustics

3D Underwater Acoustics
A Book

by Ying-Tsong Lin,Michael B. Porter,Frédéric Sturm,Marcia J. Isakson,Ching-Sang Chiu

  • Publisher : Unknown Publisher
  • Release : 2019
  • Pages : 281
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Computational Ocean Acoustics

Computational Ocean Acoustics
A Book

by Finn B. Jensen,William A. Kuperman,Michael B. Porter,Henrik Schmidt

  • Publisher : Springer Science & Business Media
  • Release : 2011-06-10
  • Pages : 794
  • ISBN : 9781441986788
  • Language : En, Es, Fr & De
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Senior level/graduate level text/reference presenting state-of-the- art numerical techniques to solve the wave equation in heterogeneous fluid-solid media. Numerical models have become standard research tools in acoustic laboratories, and thus computational acoustics is becoming an increasingly important branch of ocean acoustic science. The first edition of this successful book, written by the recognized leaders of the field, was the first to present a comprehensive and modern introduction to computational ocean acoustics accessible to students. This revision, with 100 additional pages, completely updates the material in the first edition and includes new models based on current research. It includes problems and solutions in every chapter, making the book more useful in teaching (the first edition had a separate solutions manual). The book is intended for graduate and advanced undergraduate students of acoustics, geology and geophysics, applied mathematics, ocean engineering or as a reference in computational methods courses, as well as professionals in these fields, particularly those working in government (especially Navy) and industry labs engaged in the development or use of propagating models.

University Curricula in the Marine Sciences and Related Fields

University Curricula in the Marine Sciences and Related Fields
A Book

by Anonim

  • Publisher : Unknown Publisher
  • Release : 1973
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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A History of the Acoustics Division of the Naval Research Laboratory

A History of the Acoustics Division of the Naval Research Laboratory
The First Eight Decades, 1923-2008

by Fred Tudor Erskine

  • Publisher : Unknown Publisher
  • Release : 2013
  • Pages : 180
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Monthly Catalog of United States Government Publications

Monthly Catalog of United States Government Publications
A Book

by Anonim

  • Publisher : Unknown Publisher
  • Release : 1979
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Underwater Acoustic Modeling

Underwater Acoustic Modeling
Principles, Techniques, and Applications

by Paul C. Etter

  • Publisher : Spon E & F N (UK)
  • Release : 1990-12-31
  • Pages : 305
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Fundamentals of Acoustical Oceanography

Fundamentals of Acoustical Oceanography
A Book

by Herman Medwin,Clarence S. Clay

  • Publisher : Academic Press
  • Release : 1997-11-05
  • Pages : 712
  • ISBN : 9780080532165
  • Language : En, Es, Fr & De
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The developments in the field of ocean acoustics over recent years make this book an important reference for specialists in acoustics, oceanography, marine biology, and related fields. Fundamentals of Acoustical Oceanography also encourages a new generation of scientists, engineers, and entrepreneurs to apply the modern methods of acoustical physics to probe the unknown sea. The book is an authoritative, modern text with examples and exercises. It contains techniques to solve the direct problems, solutions of inverse problems, and an extensive bibliography from the earliest use of sound in the sea to present references. Written by internationally recognized scientists, the book provides background to measure ocean parameters and processes, find life and objects in the sea, communicate underwater, and survey the boundaries of the sea. Fundamentals of Acoustical Oceanography explains principles of underwater sound propagation, and describes how both actively probing sonars and passively listening hydrophones can reveal what the eye cannot see over vast ranges of the turbid ocean. This book demonstrates how to use acoustical remote sensing, variations in sound transmission, in situ acoustical measurements, and computer and laboratory models to identify the physical and biological parameters and processes in the sea. * Offers an integrated, modern approach to passive and active underwater acoustics * Contains many examples of laboratory scale models of ocean-acoustic environments, as well as descriptions of experiments at sea * Covers remote sensing of marine life and the seafloor * Includes signal processing of ocean sounds, physical and biological noises at sea, and inversions * resents sound sources, receivers, and calibration * Explains high intensities; explosive waves, parametric sources, cavitation, shock waves, and streaming * Covers microbubbles from breaking waves, rainfall, dispersion, and attenuation * Describes sound propagation along ray paths and caustics * Presents sound transmissions and normal mode methods in ocean waveguides

Underwater Acoustic Positioning Systems

Underwater Acoustic Positioning Systems
A Book

by P. H. Milne

  • Publisher : Unknown Publisher
  • Release : 1983
  • Pages : 284
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Nonlinear Underwater Acoustics

Nonlinear Underwater Acoustics
A Book

by Boris Konstantinovich Novikov,Oleg Vladimirovich Rudenko,Valeriĭ Ivanovich Timoshenko

  • Publisher : Acoustical Society of Amer
  • Release : 1987
  • Pages : 261
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Contents: Parametric sound sources and receivers; Methods of calculation of nonlinear interactions in sound beams; Nonlinear interaction of plane waves; Method of the parabolic equation and basic results of linear diffraction theory; Parametric sound radiators with nondiffracting beams of pump waves; Calculation of different regimes of operation of the parametric radiator; Parametric receiving arrays; Operation of parametric radiators at high intensities of the pump waves; Thermal opto acoustic arrays; Construction features of parametric underwater devices; Experimental investigations and testing of parametric arrays; Parametric apparatus and the regions of their use, and Use of nomograms for calculation of the characteristics of a parametric radiator.

Coherent Digital Communications for Rapidly Fading Channels with Applications to Underwater Acoustics

Coherent Digital Communications for Rapidly Fading Channels with Applications to Underwater Acoustics
A Book

by Milica Stojanović

  • Publisher : Unknown Publisher
  • Release : 1994
  • Pages : 398
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Underwater Acoustic Digital Signal Processing and Communication Systems

Underwater Acoustic Digital Signal Processing and Communication Systems
A Book

by Robert Istepanian,Milica Stojanovic

  • Publisher : Springer Science & Business Media
  • Release : 2013-03-09
  • Pages : 278
  • ISBN : 1475736177
  • Language : En, Es, Fr & De
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Underwater acoustic digital signal processing and communications is an area of applied research that has witnessed major advances over the past decade. Rapid developments in this area were made possible by the use of powerful digital signal processors (DSPs) whose speed, computational power and portability allowed efficient implementation of complex signal processing algorithms and experimental demonstration of their performance in a variety of underwater environments. The early results served as a motivation for the development of new and improved signal processing methods for underwater applications, which today range from classical of autonomous underwater vehicles and sonar signal processing, to remote control underwater wireless communications. This book presents the diverse areas of underwater acoustic signal processing and communication systems through a collection of contributions from prominent researchers in these areas. Their results, both new and those published over the past few years, have been assembled to provide what we hope is a comprehensive overview of the recent developments in the field. The book is intended for a general audience of researchers, engineers and students working in the areas of underwater acoustic signal processing. It requires the reader to have a basic understanding of the digital signal processing concepts. Each topic is treated from a theoretical perspective, followed by practical implementation details. We hope that the book can serve both as a study text and an academic reference.

Computational Acoustics: Seismo-ocean acoustics and modeling

Computational Acoustics: Seismo-ocean acoustics and modeling
A Book

by Ding Lee,A. S. Cakmak,Robert Vichnevetsky

  • Publisher : Elsevier Science & Technology
  • Release : 1990
  • Pages : 343
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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This 3-volume set contains contributions from different areas of Computational Acoustics. Covered are: - computational methods to solve acoustics problems (including aero-acoustics, seismo-acoustics, and ocean-acoustics) and, in general, wave propagation problems - computational aspects of the interface between aero-, seismo- and ocean-acoustics - new solution techniques that have been made possible with the advent of new computer architectures such as parallel computers, super (pipeline) computers, hypercubes, etc.