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Proceedings Of The Institute Of Acoustics Spectral Analysis And Its Use In Underwater Acoustics
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Book Synopsis Proceedings of the Institute of Acoustics 'Spectral Analysis and Its Use in Underwater Acoustics' by : Institute of Acoustics (Great Britain). Underwater Acoustics Group
Download or read book Proceedings of the Institute of Acoustics 'Spectral Analysis and Its Use in Underwater Acoustics' written by Institute of Acoustics (Great Britain). Underwater Acoustics Group and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Conference on Spectral Analysis and Its Use in Underwater Acoustics by :
Download or read book International Conference on Spectral Analysis and Its Use in Underwater Acoustics written by and published by . This book was released on 1982* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Underwater Acoustics and Signal Processing by : L. Bjørnø
Download or read book Underwater Acoustics and Signal Processing written by L. Bjørnø and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt: The comprehensive research activity around the World in the fields of Underwater Acoustics and Signal Processing being strongly supported by new experimental technique and equipment and by the parallel fast developments in computer technology and solid state devices, which has led to a rapidly reducing cost of digital processing thus enabling more complex processing to be carried out economically, emphasize how necessary it is at intervals of a few years through a NATO Advanced Study Institute (NATO ASI) and guided by leading experts to study the conquests in the fields of Underwater Acoustics and Signal Processing. This need of study is moreover stressed by the interdisciplina rity of Underwater Acoustics and Signal Processing, where a strong impact from other branches of science, - Geophysics, Radioastronomy, Bioengineering, Telecommunication, Seismology, Space Research etc. - is taking place, which makes it an extre mely difficult task for scientists to follow-up the development in all its phases and to preserve the general view of its rapid ly increasing number of possibilities. The present Proceedings of the NATO ASI held in Copenhagen during August 1980 join the series of proceedings of NATO summer schools on Underwater Acoustics and Signal Processing held during the past 20 years. The equality and the fusion of the individual research fields of Underwater Acoustics and Signal Processing and the separate introduction of advanced research results from other scientific areas related to underwater acoustics such as transducers characterize the subject matter of this NATO ASI.
Book Synopsis Spectral Analysis and Its Use in Underwater Acoustics by : T.S. Durrani
Download or read book Spectral Analysis and Its Use in Underwater Acoustics written by T.S. Durrani and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aspects of Signal Processing With Emphasis on Underwater Acoustics, Part 2 by : G. Tacconi
Download or read book Aspects of Signal Processing With Emphasis on Underwater Acoustics, Part 2 written by G. Tacconi and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper describes the results of current research at DREA in which techniques of optimum array processing are being applied to active sonar. We are presenting these results at the Advanced Study Institute in order to illustrate some actual applications for such processing and to point out some of the practical considerations which arise in real systems. In particular, the paper concerns the problems which arise when the individual sensor elements have a complicated directivity pattern themselves. This is a common phenomenon in active systems where the receiving sensors are complex resonant structures and are housed in a dome or towed body presenting various baffling and diffraction effects. Most treatments of array processing consider ideal elements which have well behaved directivity properties and are transparent to the field. The results of this paper show that where these properties are not met, careful in situ array measurements are required, and even with such measurements practical array gains may not be as good as predictions based on ideal sensors.
Book Synopsis International Conference on Spectral Analysis and Its Use in Underwater Acoustics by :
Download or read book International Conference on Spectral Analysis and Its Use in Underwater Acoustics written by and published by . This book was released on 1982 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Adaptive Methods in Underwater Acoustics by : H.G. Urban
Download or read book Adaptive Methods in Underwater Acoustics written by H.G. Urban and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 763 pages. Available in PDF, EPUB and Kindle. Book excerpt: The NATO Advanced Study Institute on Adaptive Methods in Underwater Acoustics was held on 30 July - 10 August 1984 in LLineburg, Germany. The Institute was primarily concerned with signal processing for underwater appl ica tions. The majority of the presentations, when taken together, yield a definite picture of the present status of understanding of adaptive and high resolution processing, setting out the progress achieved over the past four years together with the major problem areas remaining. Major effort was made to obtain a commensurate contribution of tutorial and advanced research papers. It is my hope that the material in this volume may be equally well suited for students getting an introduction to some of the basic problems in underwater signal processing and for the professionals who may obtain an up-to-date overview of the present state of the art. This might be especially useful in view of the controversy and lack of adequate interrelationships which have marked this rapidly expanding field in the past. Practical reinforcement of this picture is provided by the material concerning digital and optical processing technology, giving some guidance to achievable adaptive and high resolution techniques with current processing devices. The formal programme was extended and detailed by a series of six evening work shops on specific topics, during which informal discussions took place among the participants. Summaries of these workshops are also included in these Proceedings.
Book Synopsis Underwater Acoustics by : Vernon Martin Albers
Download or read book Underwater Acoustics written by Vernon Martin Albers and published by . This book was released on 1963 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aspects of Signal Processing by : G. Tacconi
Download or read book Aspects of Signal Processing written by G. Tacconi and published by Springer Science & Business Media. This book was released on 1977-04-30 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: The summer school held in Portovenere followed a tutorial format with the purpose of familiarizing postdoctoral or postgraduate students in the basic theories and up-to-date applications of present knowledge. Although, from a teaching point of view, a certain areount of overlapping is always useful, in order to avoid excessive duplication direct contact between lecturers expert in the same subject was encouraged during the preparation phase. In recent years computer facilities and theoretical implementa tion have considerably increased the possibility of solving problems relating to signal detection in noise. Any type of communication may take advantage of signal processing principles, including any type of physical measurement that can be considered as a non-semantic and/or quasi-semantic communication. Since signal processing techniques are common to many branches of science (telecommunications, radar, sonar, seismology, geophysics, nuclear research, space research and others), the advanced and sophisticated levels reached singularly in anyone of them could be used to the advantage of the others. In particular, underwater acoustics is a discipline which, to some extent, represents a practical general model that has permitted the development of signal processing techniques suitable to meet data reduction and interpretation needs of other branches of science. This ASI consequently underlined the inter-disciplinarity of signal proces sing in order that the principles of outstanding methods developed in one field may be adapted to others.
Book Synopsis Coefficient of Variation Spectral Analysis: An Application to Underwater Acoustics by : Peter D. Herstein
Download or read book Coefficient of Variation Spectral Analysis: An Application to Underwater Acoustics written by Peter D. Herstein and published by . This book was released on 1983 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Acoustic noise in the ocean is often described in terms of its power spectral density. Just as in other media, this noise consists of both narrowband and broadband frequency components. A major problem in the analysis of power spectral density measurements is distinguishing between narrowband spectral components of interest and contaminating narrowband components. In this paper, the use of coefficient of variation (Cv) spectrum is examined as an adjunct to the conventional power spectrum to distinguish narrowband components of interest from contaminating components. The theory of the Cv is presented. Coefficients for several classical input distributions are developed. It is shown tha Cv spectra can be easily implemented as an adjunct procedure during the computation of the ensemble of averaged power spectra. Power and Cv spectra derived from actual at-sea sonobuoy measurements of deep ocean ambient noise separate narrowband components from narrowband lines of interest in the ensemble of averaged power spectra, these acoustic components of interest can be distinguished in the Cv spectra. (Author).
Book Synopsis High-resolution Spatial Processing in Underwater Acoustics by : Ronald A. Wagstaff
Download or read book High-resolution Spatial Processing in Underwater Acoustics written by Ronald A. Wagstaff and published by . This book was released on 1985 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 Proceedings of the Conference Signal Processing in Underwater Acoustics, Held at Loughborough University of Technology, 21st and 22nd May 1980 by : Underwater Acoustics Group. Conference
Download or read book Proceedings of the Conference Signal Processing in Underwater Acoustics, Held at Loughborough University of Technology, 21st and 22nd May 1980 written by Underwater Acoustics Group. Conference and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ocean Noise and Marine Mammals by : National Research Council
Download or read book Ocean Noise and Marine Mammals written by National Research Council and published by National Academies Press. This book was released on 2003-05-22 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: For the 119 species of marine mammals, as well as for some other aquatic animals, sound is the primary means of learning about the environment and of communicating, navigating, and foraging. The possibility that human-generated noise could harm marine mammals or significantly interfere with their normal activities is an issue of increasing concern. Noise and its potential impacts have been regulated since the passage of the Marine Mammal Protection Act of 1972. Public awareness of the issue escalated in 1990s when researchers began using high-intensity sound to measure ocean climate changes. More recently, the stranding of beaked whales in proximity to Navy sonar use has again put the issue in the spotlight. Ocean Noise and Marine Mammals reviews sources of noise in the ocean environment, what is known of the responses of marine mammals to acoustic disturbance, and what models exist for describing ocean noise and marine mammal responses. Recommendations are made for future data gathering efforts, studies of marine mammal behavior and physiology, and modeling efforts necessary to determine what the long- and short-term impacts of ocean noise on marine mammals.
Author :Nato Advanced Institute on Signal Processing with Emphasis on Underwater Acoustics, Twente Institute of Technology, Enschede, Netherlands, 1968 Publisher : ISBN 13 : Total Pages : pages Book Rating :4.:/5 (116 download)
Book Synopsis Signal Processing with Emphasis on Underwater Acoustics : Proceedings, Held 12-23 August 1968 by : Nato Advanced Institute on Signal Processing with Emphasis on Underwater Acoustics, Twente Institute of Technology, Enschede, Netherlands, 1968
Download or read book Signal Processing with Emphasis on Underwater Acoustics : Proceedings, Held 12-23 August 1968 written by Nato Advanced Institute on Signal Processing with Emphasis on Underwater Acoustics, Twente Institute of Technology, Enschede, Netherlands, 1968 and published by . This book was released on 1968 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Underwater Acoustics and Signal Processing by : Leif Bjørnø
Download or read book Underwater Acoustics and Signal Processing written by Leif Bjørnø and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Underwater Acoustics by : Vernon Martin Albers
Download or read book Underwater Acoustics written by Vernon Martin Albers and published by Palala Press. This book was released on 2015-09-07 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
