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Fluctuation Phenomena In Underwater Acoustics
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Book Synopsis Fluctuation phenomena in underwater acoustics by : Underwater Acoustics Group, Institute of Acoustics (IOA)
Download or read book Fluctuation phenomena in underwater acoustics written by Underwater Acoustics Group, Institute of Acoustics (IOA) and published by . This book was released on 1986 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fluctuation Phenomena in Underwater Acoustics by : Institute of Acoustics (Great Britain). Underwater Acoustics Group
Download or read book Fluctuation Phenomena in Underwater Acoustics written by Institute of Acoustics (Great Britain). Underwater Acoustics Group and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Institute of Acoustics (Great Britain). Underwater Acoustics Group Publisher : ISBN 13 : Total Pages :171 pages Book Rating :4.:/5 (25 download)
Book Synopsis Fluctuation Phenomena in Underwater Acoustics by : Institute of Acoustics (Great Britain). Underwater Acoustics Group
Download or read book Fluctuation Phenomena in Underwater Acoustics written by Institute of Acoustics (Great Britain). Underwater Acoustics Group and published by . This book was released on 1986 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Bibliography, with Abstracts and Annotations, of Publications on and Related to Underwater Acoustic Fluctuations by :
Download or read book A Bibliography, with Abstracts and Annotations, of Publications on and Related to Underwater Acoustic Fluctuations written by and published by . This book was released on 1995 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt: A bibliography of publications on and related to underwater acoustic fluctuation phenomena is given. The bibliography is annotated with up to three items: the abstract of each publication, a list of keywords characterizing the publication's subject matter, and one or more comments describing the publication's subject matter in more detail. (MM).
Book Synopsis An Introduction to Underwater Acoustics by : Xavier Lurton
Download or read book An Introduction to Underwater Acoustics written by Xavier Lurton and published by Springer Science & Business Media. This book was released on 2002 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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)
Book Synopsis Springer Handbook of Acoustics by : Thomas Rossing
Download or read book Springer Handbook of Acoustics written by Thomas Rossing and published by Springer Science & Business Media. This book was released on 2007-06-21 with total page 1179 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an unparalleled modern handbook reflecting the richly interdisciplinary nature of acoustics edited by an acknowledged master in the field. The handbook reviews the most important areas of the subject, with emphasis on current research. The authors of the various chapters are all experts in their fields. Each chapter is richly illustrated with figures and tables. The latest research and applications are incorporated throughout, including computer recognition and synthesis of speech, physiological acoustics, diagnostic imaging and therapeutic applications and acoustical oceanography. An accompanying CD-ROM contains audio and video files.
Author :Leonid M. Brekhovskikh Publisher :Springer Science & Business Media ISBN 13 :3662073285 Total Pages :281 pages Book Rating :4.6/5 (62 download)
Book Synopsis Fundamentals of Ocean Acoustics by : Leonid M. Brekhovskikh
Download or read book Fundamentals of Ocean Acoustics written by Leonid M. Brekhovskikh and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: As man turns his attention from the overcrowded continents of this planet and explores the spaciousness of the ocean, the applications of ocean acoustics become increasingly numerous and important. This book pro- vides an up-to-date introduction to the theory of sound propagation in the ocean, with much new material having been added throughout the second edition. It includes both ray and wave treatments and considerable attention is paid to stochastic problems such as the scattering of sound at rough surfaces and random inhomogeneties. An introductory chapter that discusses the basic experimental data complements the following theoretical chapters.
Book Synopsis Ocean Acoustic Interference Phenomena and Signal Processing by : William A. Kuperman
Download or read book Ocean Acoustic Interference Phenomena and Signal Processing written by William A. Kuperman and published by American Institute of Physics. This book was released on 2002-06-11 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Acoustic interference phenomena in the ocean can be described by a robust "waveguide" invariant. These proceedings of the first U.S. workshop on this topic record in English the findings of Russian scientists, who for many years have worked on all aspects of the subject, and American scientists, who have recently worked in this area emphasizing the acoustics of shallow water regions and signal processing applications. Theory, experimental methods, acoustic fluctuations, and array processing emerge as the major research issues.
Download or read book Ocean Seismo-Acoustics written by T. Akal and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 898 pages. Available in PDF, EPUB and Kindle. Book excerpt: Seafloor investigation has long been a feature of not only seismology but also of acoustics. Indeed it was acoustics that produced depth sounders, giving us the first capability of producing both global and local maps of the seafloor. Subsequently, better instrumentation and techniques led to a clearer, more quantitative picture of the seabed itself, which stimulated new hypotheses such as seafloor spreading through the availability of more reliable data on sediment thickness over ocean basins and other bottom features. Geologists and geophysicists have used both acoustic and seismic methods to study the seabed by considering the propagation of signals arising from both natural seismic events and man-made impulsive sources. Although significant advances have been made in instrumentation, such as long towed geophysical arrays, ai r guns and ocean bot tom seismometers, the pic ture of the seafloor is still far from complete. Underwater acoustics concerns itself today with the phenomena of propagation and noise at frequencies and ranges that require an understanding of acoustic interaction at both of its boundaries, the sea surface and seafloor, over depths ranging from tens to thousands of meters. Much of the earlier higher frequency (>1 kHz) work included the characterization of the seafloor in regimes of reflection coefficients which were empirically derived from surveys. The results of these studies met with only limited success, confined as they were to those areas where survey data existed and lacking a physical understanding of the processes of reflection and scattering.
Book Synopsis A Survey Report on Basic Problems of Underwater Acoustics Research by : National Research Council (U.S.). Committee on Undersea Warfare
Download or read book A Survey Report on Basic Problems of Underwater Acoustics Research written by National Research Council (U.S.). Committee on Undersea Warfare and published by . This book was released on 1950 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Principles of Underwater Sound by : Robert J. Urick
Download or read book Principles of Underwater Sound written by Robert J. Urick and published by McGraw-Hill Companies. This book was released on 1975 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The book attempts to summarize the principles of underwater sound from the viewpoint of the engineer and the practical scientist. It lies squarely in the middle of the spectrum - between theory at one end and sonar technology at the other. Its intent is to provide a summary of the principles, effects, and phenomena of underwater sound and to give numerical quantitative data, wherever possible, for the solution of practical problems."--Preface to first edition.
Book Synopsis Applied Underwater Acoustics by : Thomas Neighbors
Download or read book Applied Underwater Acoustics written by Thomas Neighbors and published by Elsevier. This book was released on 2017-01-19 with total page 982 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Book Synopsis On the Calculation of Acoustic Intensity Fluctuations Caused by Ocean Currents by : M. J. Jacobson
Download or read book On the Calculation of Acoustic Intensity Fluctuations Caused by Ocean Currents written by M. J. Jacobson and published by . This book was released on 1986 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ocean currents can cause significant and interesting effects on the intensity of underwater sound transmissions. We study this phenomenon via the parabolic approximation, beginning with conservation laws, and derive a family of equations, each of which is valid for different magnitudes of current speed, current gradient, and sound-speed variation. Numerical results indicate that some current structures can cause large variations in received intensity, and that substantial differences can occur in reciprocal transmissions. Current effects on intensity may be quite sensitive to the sound-speed distribution.
Book Synopsis Physics of Sound in the Sea by : Research Analysis Group
Download or read book Physics of Sound in the Sea written by Research Analysis Group and published by . This book was released on 1969 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fundamentals of Ocean Acoustics by : L.M. Brekhovskikh
Download or read book Fundamentals of Ocean Acoustics written by L.M. Brekhovskikh and published by Springer Science & Business Media. This book was released on 2003-03-18 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an up-to-date introduction to the theory of sound propagation in the ocean. The text treats both ray and wave propagation and pays considerable attention to stochastic problems such as the scattering of sound at rough surfaces and random inhomogeneities. An introductory chapter that discusses the basic experimental data complements the following theoretical chapters. New material has been added throughout for this third edition. New topics covered include: - inter-thermocline lenses and their effect on sound fields - weakly divergent bundles of rays - ocean acoustic tomography - coupled modes - sound scattering by anisotropic volume inhomogeneities with fractal spectra - Voronovich's approach to sound scattering from the rough sea surface. In addition, the list of references has been brought up to date and the latest experimental data have been included.
Book Synopsis Mechanics of Underwater Noise by : Donald Ross
Download or read book Mechanics of Underwater Noise written by Donald Ross and published by Elsevier. This book was released on 2013-10-22 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanics of Underwater Noise elucidates the basic mechanisms by which noise is generated, transmitted by structures and radiated into the sea. Organized into 10 chapters, this book begins with a description of noise, decibels and levels, significance of spectra, and passive sonar equation. Subsequent chapters discuss sound waves in liquids; acoustic radiation fundamentals; wind-generated ocean ambient noise; vibration isolation and structural damping; and radiation by plate flexural vibrations. Other chapters address cavitation, propeller cavitation noise, radiation by fluctuating-force (dipole) sources, and mechanical noise sources. This book will be helpful as a self-education text and as a reference for workers in the field.
Book Synopsis Progress in Underwater Acoustics by : Harold Merklinger
Download or read book Progress in Underwater Acoustics written by Harold Merklinger and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 815 pages. Available in PDF, EPUB and Kindle. Book excerpt: IMAGE TRACKS AT HALIFAX by L.B. Felsen All living kind much effort spend Some model modes, some model rays, To cope with their environment Some feel that spectra all portrays. Some use their eyes, some use their nose Then there are those who with despatch, To sense where other things repose. Take refuge in the ocean wedge. For one group, nothing's more profound Than to explore the world with sound. If things get messy, randomize. These audio diagnosticians What's partly smooth, determinize. You ponder, is it this or that? Go by the name of acousticians. And wish you were a lowly bat They regularly meet to check Whether their sonogram's on track. The meeting's hosts did treat us well. With images stored in their packs, They let the climate cast its spell. This year they came to Halifax. No weath'ry hope was placed in vain. There they combined with ocean types We were exposed to wind and rain, And each could hear the other's gripes. We glimpsed blue sky through clouds dispersed. A meeting naturally does start But rainy sequence was reversed: Reviewing present state of art. The ocean types would like it wet What we found out is where it's at: Yet they got stuck with sun instead. We cannot hope to match the bat Each confrence has the same refrain: Computer printouts by the reams It has been fun to meet again.
