Principles Of Sonar Performance Modelling

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Principles Of Sonar Performance Modelling

Author : Michael Ainslie
ISBN : 3540876626
Genre : Technology & Engineering
File Size : 43.53 MB
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Sonar performance modelling (SPM) is concerned with the prediction of quantitative measures of sonar performance, such as probability of detection. It is a multi-disciplinary subject, requiring knowledge and expertise in the disparate fields of underwater acoustics, acoustical oceanography, sonar signal processing and statistical detection theory. No books have been published on this subject, however, since the 3rd edition of Urick’s classic work 25 years ago and so Dr Ainslie’s book will fill a much-needed gap in the market. Currently, up-to-date information can only be found, in different forms and often with conflicting information, in various journals, conference and textbook publications. Dr Michael Ainslie is eminently qualified to write this unique book. He has worked on sonar performance modeling problems since 1983. He has written many peer reviewed research articles and conference papers related to sonar performance modeling, making contributions in the fields of sound propagation and detection theory.
Category: Technology & Engineering

Underwater Acoustic Modeling

Author : P.C. Etter
ISBN : 0419201904
Genre : Architecture
File Size : 60.79 MB
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Underwater Acoustic Modeling provides the only comprehensive source on how to translate our physical understanding of sound in the sea into mathematical formulas solvable by computers.
Category: Architecture

Engineering Principles Of Combat Modeling And Distributed Simulation

Author : Andreas Tolk
ISBN : 9781118180303
Genre : Mathematics
File Size : 47.77 MB
Format : PDF
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Explore the military and combat applications of modeling andsimulation Engineering Principles of Combat Modeling and DistributedSimulation is the first book of its kind to address the threeperspectives that simulation engineers must master forsuccessful military and defense related modeling: the operationalview (what needs to be modeled); the conceptual view (how to docombat modeling); and the technical view (how to conductdistributed simulation). Through methods from the fields ofoperations research, computer science, and engineering, readers areguided through the history, current training practices, and modernmethodology related to combat modeling and distributed simulationsystems. Comprised of contributions from leading internationalresearchers and practitioners, this book provides a comprehensiveoverview of the engineering principles and state-of-the-art methodsneeded to address the many facets of combat modeling anddistributed simulation and features the following foursections: Foundations introducesrelevant topics and recommended practices, providing the neededbasis for understanding the challenges associated with combatmodeling and distributed simulation. Combat Modeling focuses onthe challenges in human, social, cultural, and behavioral modelingsuch as the core processes of "move, shoot, look, and communicate"within a synthetic environment and also equips readers with theknowledge to fully understand the related concepts andlimitations. Distributed Simulationintroduces the main challenges of advanced distributed simulation,outlines the basics of validation and verification, and exhibitshow these systems can support the operational environment of thewarfighter. Advanced Topics highlightsnew and developing special topic areas, including mathematicalapplications fo combat modeling; combat modeling with high-levelarchitecture and base object models; and virtual and interactivedigital worlds. Featuring practical examples and applications relevant toindustrial and government audiences, Engineering Principles ofCombat Modeling and Distributed Simulation is an excellentresource for researchers and practitioners in the fields ofoperations research, military modeling, simulation, and computerscience. Extensively classroom tested, the book is also ideal forcourses on modeling and simulation; systems engineering; and combatmodeling at the graduate level.
Category: Mathematics

An Introduction To Underwater Acoustics

Author : Xavier Lurton
ISBN : 3540429670
Genre : Science
File Size : 78.95 MB
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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)
Category: Science

Underwater Acoustic Modeling And Simulation

Author : Paul C. Etter
ISBN : 9781351831987
Genre : Technology & Engineering
File Size : 44.61 MB
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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.
Category: Technology & Engineering

Principles Of Wireless Sensor Networks

Author : Mohammad S. Obaidat
ISBN : 9781316060407
Genre : Technology & Engineering
File Size : 90.70 MB
Format : PDF
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Wireless sensor networks are an emerging technology with a wide range of applications in military and civilian domains. The book begins by detailing the basic principles and concepts of wireless sensor networks, including information gathering, energy management and the structure of sensory nodes. It proceeds to examine advanced topics, covering localisation, topology, security and evaluation of wireless sensor networks, highlighting international research being carried out in this area. Finally, it features numerous examples of applications of this technology to a range of domains, such as wireless, multimedia, underwater and underground wireless sensor networks. The concise but clear presentation of the important principles, techniques and applications of wireless sensor networks makes this guide an excellent introduction for anyone new to the subject, as well as an ideal reference for practitioners and researchers.
Category: Technology & Engineering

Ecological Research At The Offshore Windfarm Alpha Ventus

Author : Federal Maritime and Hydrographic Agency
ISBN : 9783658024628
Genre : Nature
File Size : 55.40 MB
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At present and over the next few years, large-scale windfarms are being installed far off the coast of Germany in the North and Baltic Sea, making a major contribution to electricity generation from renewable energy sources. One of the German government’s aims is to ensure the environmentally sound and sustainable development of offshore wind energy. Germany’s first offshore test site, alpha ventus, was therefore accompanied from the construction phase to the first years of operation by an intensive environmental research programme, the StUKplus project, financed by the Federal Ministry for the Environment, Nature Conservation and Nuclear Safety and coordinated by the Federal Maritime and Hydrographic Agency. Marine and ecological aspects have been researched there for more than five years to improve the level of knowledge about the ecological impacts of offshore windfarms. This book provides a broad, richly illustrated overview of applied and new research methods and monitoring techniques. It summarises the key research findings on the impacts on benthic communities, fish, marine mammals and birds, also taking into account underwater sound and sediment measurements. Interpreting the results in the sense of lessons learned, new challenges and perspectives are discussed for future sustainable offshore development in German waters.
Category: Nature

Electrical Insulating Materials And Electrical Engineering

Author : We Bo Zhang
ISBN : 9783038138655
Genre : Technology & Engineering
File Size : 40.29 MB
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These proceedings of the 2012 International Conference on Electrical Insulating Materials and Electrical Engineering (EIMEE 2012) are grouped into eight chapters: Materials Science and Engineering; Mechanical Engineering and Applied Mechanics; Electrical Machinery and Engineering; Data, Image and Signal Processing; Control Theory and Control Engineering; Communication and Networks; Information Engineering and Technology; Other Related Topics.
Category: Technology & Engineering

Principles Of Radar And Sonar Signal Processing

Author : Chevalier François Le
ISBN : 1608071359
Genre : Technology & Engineering
File Size : 40.62 MB
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Principles of Radar and Sonar Signal Processing offers you a thorough presentation of the latest technologies in conventional and adaptive signal processing theory, and covers techniques for detailed analysis of physical signatures of targets and clutter. You learn how target signature analysis provides you with a better understanding of the various techniques used in anechoic chambers and modern radar systems. Examples of signatures give you a greater insight into classification problems. A discussion on low frequency systems, wideband radars, and STAP provides you with a better awareness of physical limits and future developments.
Category: Technology & Engineering

Digital Sonar Design In Underwater Acoustics

Author : Qihu Li
ISBN : 9783642182907
Genre : Science
File Size : 32.73 MB
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"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.
Category: Science

Ocean Platform And Signal Processing Effects On Synthetic Aperture Sonar Performance

Author : Kenneth D. Rolt
ISBN : UCSD:31822020614368
Genre : Signal processing
File Size : 31.58 MB
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Synthetic Aperture Sonar (SAS), the underwater sound application of the aperture synthesis method borrowed from Synthetic Aperture Radar (SAR), is investigated by means of ocean medium effects, platform motion effects, and signal processing effects. Synthetic aperture methods, both in radar and in sonar, allow large synthesized apertures, or equivalently synthesized arrays, to be formed from the combined use of signal processing and a small, real aperture transducer (e.g. a radar or a sonar transducer). Large synthetic apertures give rise to relatively narrow synthesized beams, which in turn allow very high resolution focused images to be formed from radar or sonar data. The target in the synthetic aperture sonar case could be the ocean bottom, and the objective could be, for example, ocean-bottom mapping or searching for a sunken vessel ... Synthetic Aperture Sonar(SAS), Synthetic aperture radar, Acoustical imaging, Radar imaging.
Category: Signal processing

Software Engineering And Knowledge Engineering Theory And Practice

Author : Wei Zhang
ISBN : 9783642294556
Genre : Computers
File Size : 59.47 MB
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2012 International Conference on Software Engineering, Knowledge Engineering and Information Engineering (SEKEIE 2012) will be held in Macau, April 1-2, 2012 . This conference will bring researchers and experts from the three areas of Software Engineering, Knowledge Engineering and Information Engineering together to share their latest research results and ideas. This volume book covered significant recent developments in the Software Engineering, Knowledge Engineering and Information Engineering field, both theoretical and applied. We are glad this conference attracts your attentions, and thank your support to our conference. We will absorb remarkable suggestion, and make our conference more successful and perfect.
Category: Computers

Aspects Of Signal Processing

Author : G. Tacconi
ISBN : 9027707995
Genre : Technology & Engineering
File Size : 27.74 MB
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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.
Category: Technology & Engineering

Acoustic Sensing Techniques For The Shallow Water Environment

Author : Andrea Caiti
ISBN : 9781402043864
Genre : Science
File Size : 70.58 MB
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Acoustic techniques provide the most effective means for remote sensing of ocean and sea floor processes, and for probing the structure beneath the sea floor. Including a CD-ROM, this volume contains the collection of papers from the second workshop on Experimental Acoustic Inversion Techniques for Exploration of the Shallow Water Environment.
Category: Science

Principles Of Adaptive Filters And Self Learning Systems

Author : Anthony Zaknich
ISBN : 1852339845
Genre : Technology & Engineering
File Size : 23.54 MB
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Teaches students about classical and nonclassical adaptive systems within one pair of covers Helps tutors with time-saving course plans, ready-made practical assignments and examination guidance The recently developed "practical sub-space adaptive filter" allows the reader to combine any set of classical and/or non-classical adaptive systems to form a powerful technology for solving complex nonlinear problems
Category: Technology & Engineering

Computational Principles Of Mobile Robotics

Author : Gregory Dudek
ISBN : 0521568765
Genre : Computers
File Size : 42.52 MB
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Covers the computational methods involved in designing the locomotive, sensing and reasoning systems that enable a robot to perform tasks that involve motion and behavior.
Category: Computers

New Scientist

Author :
ISBN : UCSD:31822008108540
Genre : Science
File Size : 62.40 MB
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Category: Science