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Applied Underwater Acoustics

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Applied Underwater Acoustics

Applied Underwater Acoustics Book
Author : Thomas Herbert Neighbors,David Bradley
Publisher : Elsevier
Release : 2017-01-04
ISBN : 9780128112403
Language : En, Es, Fr & De

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Book Description :

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 Book
Author : Thomas Neighbors,David Bradley
Publisher : Elsevier
Release : 2017-01-19
ISBN : 0128112476
Language : En, Es, Fr & De

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Book Description :

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

An Introduction to Underwater Acoustics

An Introduction to Underwater Acoustics Book
Author : Xavier Lurton
Publisher : Springer Science & Business Media
Release : 2002
ISBN : 9783540429678
Language : En, Es, Fr & De

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Book Description :

Presented in a clear and concise way as an introductory text and practical handbook, the book provides the basic physical phenomena governing underwater acoustical waves, propagation, reflection, target backscattering and noise. It covers the general features of sonar systems, transducers and arrays, signal processing and performance evaluation. It provides an overview of today's applications, presenting the working principles of the various systems. From the reviews: "Presented in a clear and concise way as an introductory text and practical handbook, the book provides the basic physical phenomena governing underwater acoustical waves, propagation, reflection, target backscattering and noise. ⦠It provides an overview of todayâs applications, presenting the working principles of the various systems." (Oceanis, Vol. 27 (3-4), 2003) "This book is a general survey of Underwater Acoustics, intended to make the subject âas easily accessible as possible, with a clear emphasis on applications.â In this the author has succeeded, with a wide variety of subjects presented with minimal derivation ⦠. There is an emphasis on technology and on intuitive physical explanation ⦠." (Darrell R. Jackson, Journal of the Acoustic Society of America, Vol. 115 (2), February, 2004) "This is an exciting new scientific publication. It is timely and welcome ⦠. Furthermore, it is up to date and readable. It is well researched, excellently published and ranks with earlier books in this discipline ⦠. Many persons in the marine science field including acousticians, hydrographers, oceanographers, fisheries scientists, engineers, educators, students ⦠and equipment manufacturers will benefit greatly by reading all or part of this text. The author is to be congratulated on his fine contribution ⦠." (Stephen B. MacPhee, International Hydrographic Review, Vol. 4 (2), 2003)

Underwater Acoustic Signal Processing

Underwater Acoustic Signal Processing Book
Author : Douglas A. Abraham
Publisher : Springer
Release : 2019-02-14
ISBN : 3319929836
Language : En, Es, Fr & De

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Book Description :

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.

Fundamentals of Ocean Acoustics

Fundamentals of Ocean Acoustics Book
Author : L. Brekhovskikh,Y. Lysanov
Publisher : Springer Science & Business Media
Release : 2013-03-14
ISBN : 3662023423
Language : En, Es, Fr & De

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Book Description :

The continents of our planet have already been exploited to a great extent. Therefore man is turning his sight to the vast spaciousness of the ocean whose resources - mineral, biological, energetic, and others - are just beginning to be used. The ocean is being intensively studied. Our notions about the dynam ics of ocean waters and their role in forming the Earth's climate as well as about the structure of the ocean bottom have substantially changed during the last two decades. An outstanding part in this accelerated exploration of the ocean is played by ocean acoustics. Only sound waves can propagate in water over large distances. Practically all kinds of telemetry, communication, location, and re mote sensing of water masses and the ocean bottom use sound waves. Propa gating over thousands of kilometers in the ocean, they bring information on earthquakes, eruptions of volcanoes, and distant storms. Projects using acoustical tomography systems for exploration of the ocean are presently be ing developed. Each of these systems will allow us to determine the three-di mensional structure of water masses in regions as large as millions of square kilometers.

Applied Underwater Acoustics

Applied Underwater Acoustics Book
Author : David Gordon Tucker,B. K. Gazey
Publisher : Elsevier Science & Technology
Release : 1966
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Applied Underwater Acoustics book written by David Gordon Tucker,B. K. Gazey, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Underwater Acoustics

Underwater Acoustics Book
Author : Richard P. Hodges
Publisher : John Wiley & Sons
Release : 2011-06-28
ISBN : 1119957494
Language : En, Es, Fr & De

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Book Description :

Offering complete and comprehensive coverage of modern sonar spectrum system analysis, Underwater Acoustics: Analysis, Design and Performance of Sonar provides a state-of-the-art introduction to the subject and has been carefully structured to offer a much-needed update to the classic text by Urick. Expanded to included computational approaches to the topic, this book treads the line between the highly theoretical and mathematical texts and the more populist, non-mathematical books that characterize the existing literature in the field. The author compares and contrasts different techniques for sonar design, analysis and performance prediction and includes key experimental and theoretical results, pointing the reader towards further detail with extensive references. Practitioners in the field of sonar design, analysis and performance prediction as well as graduate students and researchers will appreciate this new reference as an invaluable and timely contribution to the field. Chapters include the sonar equation, radiated, self and ambient noise, active sonar sources, transmission loss, reverberation, transducers, active target strength, statistical detection theory, false alarms, contacts and targets, variability and uncertainty, modelling detections and tactical decision aids, cumulative probability of detection, tracking target motion analysis and localization, and design and evaluation of sonars

Underwater Acoustic Modeling and Simulation

Underwater Acoustic Modeling and Simulation Book
Author : Paul C. Etter
Publisher : CRC Press
Release : 2017-12-19
ISBN : 1466564946
Language : En, Es, Fr & De

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Book Description :

Underwater Acoustic Modeling and Simulation, Fourth Edition continues to provide the most authoritative overview of currently available propagation, noise, reverberation, and sonar-performance models. This fourth edition of a bestseller discusses the fundamental processes involved in simulating the performance of underwater acoustic systems and emphasizes the importance of applying the proper modeling resources to simulate the behavior of sound in virtual ocean environments. New to the Fourth Edition Extensive new material that addresses recent advances in inverse techniques and marine-mammal protection Problem sets in each chapter Updated and expanded inventories of available models Designed for readers with an understanding of underwater acoustics but who are unfamiliar with the various aspects of modeling, the book includes sufficient mathematical derivations to demonstrate model formulations and provides guidelines for selecting and using the models. Examples of each type of model illustrate model formulations, model assumptions, and algorithm efficiency. Simulation case studies are also included to demonstrate practical applications. Providing a thorough source of information on modeling resources, this book examines the translation of our physical understanding of sound in the sea into mathematical models that simulate acoustic propagation, noise, and reverberation in the ocean. The text shows how these models are used to predict and diagnose the performance of complex sonar systems operating in the undersea environment.

Ocean Acoustics

Ocean Acoustics Book
Author : Anatoly Kistovich,Konstantin Pokazeev,Tatiana Chaplina
Publisher : Springer Nature
Release : 2020-01-03
ISBN : 3030358844
Language : En, Es, Fr & De

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Book Description :

This book presents a comprehensive overview of hydroacoustics and describes the physical basis of acoustic processes observed in the sea. In addition, it discusses the basic concepts and provides simplified models of sound propagation and acoustic phenomena at the boundary between environments. Lastly, the book examines in detail a number of applications of ocean acoustics and methods. The ocean is the last reserve of natural resources. It is also an essential element in the biosphere, ensuring the latter’s balance, and plays a pivotal role in the Earth’s climate system and global warming. Consequently, studying the ocean is one of humankind’s most critical scientific tasks, but penetrating its mysteries is no mean feat. Acoustics (hydroacoustics) is one of the most powerful tools for examining the water layer and beyond, since sound waves are the only type of radiation that can propagate over distances of hundreds and even thousands of kilometers in the ocean. This unique resource appeals to specialists working in the fields of ocean and atmosphere physics, students and postgraduate students studying sea physics and oceanology, and anyone who is interested in the problems the ocean is currently facing.

Underwater Acoustic Systems

Underwater Acoustic Systems Book
Author : Rodney F. W. Coates
Publisher : Unknown
Release : 1990
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Part of a series which is aimed primarily at a professional engineering or postgraduate student audience, this book concerns the basics of the propagation of sound in the sea, the problems of waveform analysis, underwater acoustic equipment and underwater acoustic communication.

Computational Ocean Acoustics

Computational Ocean Acoustics Book
Author : Finn B. Jensen,William A. Kuperman,Michael B. Porter,Henrik Schmidt
Publisher : Springer Science & Business Media
Release : 2011-06-10
ISBN : 1441986782
Language : En, Es, Fr & De

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Book Description :

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.

Digital Underwater Acoustic Communications

Digital Underwater Acoustic Communications Book
Author : Lufen Xu,Tianzeng Xu
Publisher : Academic Press
Release : 2016-09-16
ISBN : 0128030291
Language : En, Es, Fr & De

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Book Description :

Digital Underwater Acoustic Communications focuses on describing the differences between underwater acoustic communication channels and radio channels, discusses loss of transmitted sound in underwater acoustic channels, describes digital underwater acoustic communication signal processing, and provides a comprehensive reference to digital underwater acoustic communication equipment. This book is designed to serve as a reference for postgraduate students and practicing engineers involved in the design and analysis of underwater acoustic communications systems as well as for engineers involved in underwater acoustic engineering. Introduces the basics of underwater acoustics, along with the advanced functionalities needed to achieve reliable communications in underwater environment Identifies challenges in underwater acoustic channels relative to radio channels, underwater acoustic propagation, and solutions Shows how multi-path structures can be thought of as time diversity signals Presents a new, robust signal processing system, and an advanced FH-SS system for multimedia underwater acoustic communications with moderate communication ranges (above 20km) and rates (above 600bps) Describes the APNFM system for underwater acoustic communication equipment (including both civil and military applications), to be employed in active sonar to improve its performance

Digital Sonar Design in Underwater Acoustics

Digital Sonar Design in Underwater Acoustics Book
Author : Qihu Li
Publisher : Springer Science & Business Media
Release : 2012-03-05
ISBN : 3642182909
Language : En, Es, Fr & De

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Book Description :

"Digital Sonar Design in Underwater Acoustics Principles and Applications" provides comprehensive and up-to-date coverage of research on sonar design, including the basic theory and techniques of digital signal processing, basic concept of information theory, ocean acoustics, underwater acoustic signal propagation theory, and underwater signal processing theory. This book discusses the general design procedure and approaches to implementation, the design method, system simulation theory and techniques, sonar tests in the laboratory, lake and sea, and practical validation criteria and methods for digital sonar design. It is intended for researchers in the fields of underwater signal processing and sonar design, and also for navy officers and ocean explorers. Qihu Li is a professor at the Institute of Acoustics, Chinese Academy of Sciences, and an academician of the Chinese Academy of Sciences.

Ocean Acoustic Propagation by Finite Difference Methods

Ocean Acoustic Propagation by Finite Difference Methods Book
Author : D. Lee,S.T. McDaniel
Publisher : Elsevier
Release : 2014-06-28
ISBN : 1483295699
Language : En, Es, Fr & De

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Book Description :

A concise guide to the theory and application of numerical methods for predicting ocean acoustic propagation, also providing an introduction to numerical methods, with an overview of those methods presently in use. An in-depth development of the implicit-finite-difference technique is presented together with bench-mark test examples included to demonstrate its application to realistic ocean environments. Other applications include atmospheric acoustics, plasma physics, quantum mechanics, optics and seismology.

An Introduction to Underwater Acoustics

An Introduction to Underwater Acoustics Book
Author : Xavier Lurton
Publisher : Springer
Release : 2016-08-23
ISBN : 9783662499696
Language : En, Es, Fr & De

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Book Description :

Sound waves are the only practical means of remote investigation of the sea and its bottom and transmission in seawater. Underwater acoustics has become one of the major technologies used in the exploration and exploitation of the oceans for scientific, industrial, or military/naval purposes. It is widely employed in the fields of ocean engineering, seafloor mapping, defence, oceanography, navigation, and fisheries. Dr Xavier Lurton is a renowned specialist in underwater acoustics. He has worked in this field as a scientist, engineer, project manager and teacher since 1981 and has participated in many scientific projects, systems developments and at-sea cruises. In the second edition of his book, Dr Lurton provides an updated and extended introduction to underwater acoustics, including coverage of the physical processes and their basic modeling, different underwater acoustic systems and their practical applications and a description and assessment of the various technologies. Dr Lurton has extensive experience as a lecturer in undergraduate and postgraduate schools, including naval academies. This book is based on his direct, first-hand experience of the many aspects of underwater acoustics in seas around the world, at the forefront of current research and development efforts.

Fundamentals of Shallow Water Acoustics

Fundamentals of Shallow Water Acoustics Book
Author : Boris Katsnelson,Valery Petnikov,James Lynch
Publisher : Springer Science & Business Media
Release : 2012-02-22
ISBN : 1441997768
Language : En, Es, Fr & De

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Book Description :

Shallow water acoustics (SWA), the study of how low and medium frequency sound propagates and scatters on the continental shelves of the worlds oceans, has both technical interest and a large number of practical applications. Technically, shallow water poses an interesting medium for the study of acoustic scattering, inverse theory, and propagation physics in a complicated oceanic waveguide. Practically, shallow water acoustics has interest for geophysical exploration, marine mammal studies, and naval applications. Additionally, one notes the very interdisciplinary nature of shallow water acoustics, including acoustical physics, physical oceanography, marine geology, and marine biology. In this specialized volume the authors, all of whom have extensive at-sea experience in US and Russian research efforts, have tried to summarize the main experimental, theoretical, and computational results in shallow water acoustics, with an emphasis on providing physical insight into the topics presented.

Underwater Acoustic Modeling and Simulation

Underwater Acoustic Modeling and Simulation Book
Author : Paul C. Etter
Publisher : CRC Press
Release : 2018-04-06
ISBN : 1351679724
Language : En, Es, Fr & De

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Book Description :

This newest edition adds new material to all chapters, especially in mathematical propagation models and special applications and inverse techniques. It has updated environmental-acoustic data in companion tables and core summary tables with the latest underwater acoustic propagation, noise, reverberation, and sonar performance models. Additionally

Cavitation and Inhomogeneities in Underwater Acoustics

Cavitation and Inhomogeneities in Underwater Acoustics Book
Author : W. Lauterborn
Publisher : Springer Science & Business Media
Release : 2012-12-06
ISBN : 3642510701
Language : En, Es, Fr & De

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Book Description :

Download Cavitation and Inhomogeneities in Underwater Acoustics book written by W. Lauterborn, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Underwater Acoustic Modeling and Simulation Fifth Edition

Underwater Acoustic Modeling and Simulation  Fifth Edition Book
Author : Paul C. Etter
Publisher : CRC Press
Release : 2018-03-15
ISBN : 1351679716
Language : En, Es, Fr & De

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Book Description :

This newest edition adds new material to all chapters, especially in mathematical propagation models and special applications and inverse techniques. It has updated environmental-acoustic data in companion tables and core summary tables with the latest underwater acoustic propagation, noise, reverberation, and sonar performance models. Additionally, the text discusses new applications including underwater acoustic networks and channel models, marine-hydrokinetic energy devices, and simulation of anthropogenic sound sources. It further includes instructive case studies to demonstrate applications in sonar simulation.

Theoretical Acoustics of Underwater Structures

Theoretical Acoustics of Underwater Structures Book
Author : E A Skelton,J H James
Publisher : World Scientific
Release : 1997-12-18
ISBN : 1783262451
Language : En, Es, Fr & De

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Book Description :

This important book provides an account of the linear acoustics of basic isotropic/anisotropic structures excited by time-harmonic and transient mechanical forces and acoustic sources. Many numerical examples are given to aid physical insight and to provide benchmark computations of sound radiation and sound scattering. The theoretical methods, developed originally for naval noise control problems, should find civil application in the acoustic modelling of structures fabricated from both fibre-reinforced and isotropic materials. Such an endeavour is increasingly desirable and necessary in this noisy world. Contents:Mathematical MethodsResponse of Dynamical SystemsAcoustic EquationsScattering from Hard and Soft StructuresAcoustic Finite ElementsElastic Equations and Constitutive RelationsAcoustics of Spherical ShellAcoustics of Thin PlateAcoustics of Cylindrical ShellSpherically Layered MediaPlanar Layered MediaCylindrically Layered MediaSimply Supported CylinderFinite Axisymmetric Structure Readership: Graduate students of applied mathematics, engineering and physics; undergraduate students specializing in acoustics, and practising noise control engineers responsible for the development of mathematical models. Keywords:Isotropic/Anisotropic Structures;Acoustic Equations;Acoustics of Spherical Shell;Acoustic of Thin Plate;Acoustics of Cylindrical Shell