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Nautical charts --- Electronics in navigation --- Technological innovations.
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Shipping --- Merchant marine --- Electronics in navigation --- Economic aspects --- Transportation Economics
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Direction-of-Arrival (DOA) estimation concerns the estimation of direction finding signals in the form of electromagnetic or acoustic waves, impinging on a sensor or antenna array. DOA estimation is used for locating and tracking signal sources in both civilian and military applications. This authoritative volume provides an overview and performance analysis of the basic DOA algorithms, including comparisons between the various types. The book offers you a detailed understanding of the arrays pertinent to DOA finding, and presents a detailed illustration of the ESPRIT-based DOA algorithms compl.
Estimation theory. --- Electrical engineering --- Signal processing --- Radio direction finders. --- Electronics in navigation. --- Mathematics.
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Electronics in navigation --- Air traffic control. --- Air traffic control --- ATC (Air traffic control) --- Aeronautics --- Airports --- Safety measures --- Communication systems
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For most of the twentieth century, maps were indispensable. They were how governments understood, managed, and defended their territory, and during the two world wars they were produced by the hundreds of millions. Cartographers and journalists predicted the dawning of a "map-minded age," where increasingly state-of-the-art maps would become everyday tools. By the century's end, however, there had been decisive shift in mapping practices, as the dominant methods of land surveying and print publication were increasingly displaced by electronic navigation systems. In After the Map, William Rankin argues that although this shift did not render traditional maps obsolete, it did radically change our experience of geographic knowledge, from the God's-eye view of the map to the embedded subjectivity of GPS. Likewise, older concerns with geographic truth and objectivity have been upstaged by a new emphasis on simplicity, reliability, and convenience. After the Map shows how this change in geographic perspective is ultimately a transformation of the nature of territory, both social and political.
Cartography --- Navigation --- Global Positioning System --- Electronics in navigation --- Maps --- Grids (Cartography) --- Universal transverse Mercator projection (Cartography) --- History. --- Political aspects. --- Methodology.
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The demand to explore the largest and also one of the richest parts of our planet, the advances in signal processing promoted by an exponential growth in computation power and a thorough study of sound propagation in the underwater realm, have lead to remarkable advances in sonar technology in the last years.The work on hand is a sum of knowledge of several authors who contributed in various aspects of sonar technology. This book intends to give a broad overview of the advances in sonar technology of the last years that resulted from the research effort of the authors in both sonar systems and their applications. It is intended for scientist and engineers from a variety of backgrounds and even those that never had contact with sonar technology before will find an easy introduction with the topics and principles exposed here.
Sonar. --- Asdic --- Echo ranging --- Sound navigation ranging --- Detectors --- Electronics in navigation --- Signals and signaling, Submarine --- Ultrasonic equipment --- Underwater acoustics --- Electronic devices & materials
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The book is an edited collection of research articles covering the current state of sonar systems, the signal processing methods and their applications prepared by experts in the field. The first section is dedicated to the theory and applications of innovative synthetic aperture, interferometric, multistatic sonars and modeling and simulation. Special section in the book is dedicated to sonar signal processing methods covering: passive sonar array beamforming, direction of arrival estimation, signal detection and classification using DEMON and LOFAR principles, adaptive matched field signal processing. The image processing techniques include: image denoising, detection and classification of artificial mine like objects and application of hidden Markov model and artificial neural networks for signal classification. The biology applications include the analysis of biosonar capabilities and underwater sound influence on human hearing. The marine science applications include fish species target strength modeling, identification and discrimination from bottom scattering and pelagic biomass neural network estimation methods. Marine geology has place in the book with geomorphological parameters estimation from side scan sonar images. The book will be interesting not only for specialists in the area but also for readers as a guide in sonar systems principles of operation, signal processing methods and marine applications.
Sonar. --- Asdic --- Echo ranging --- Sound navigation ranging --- Detectors --- Electronics in navigation --- Signals and signaling, Submarine --- Ultrasonic equipment --- Underwater acoustics --- Acoustic & sound engineering
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This one-of-a-kind new resource, written by an expert in the field, provides a comprehensive introduction to global e-navigation. This book presents the vision, development, and objectives of this strategy to increase awareness, safety, and security in the navigation of commercial shipping. Current equipment and practices of maritime navigation are discussed including ship reporting, shore based services, communications, and challenges in vessel travel services (VTS) and port areas. This book identifies performance gaps and demonstrates how to identify user needs as well as solutions through gap analysis. E-navigation architectures, solutions, and standards are explored.n nReaders find useful insight into how new concepts of e-navigation are being adapted internationally and some of the difficulties that will need to be overcome. This resource focuses on the use of e-navigation in security, cyber security, environmental protection, communications, and global and technical standardization. Navigation equipment, systems, displays, bridge systems, and other current equipment and practices are explored in this book. Readers get a look into the future of e-navigation, including the impact that digital globalization, unmanned ships, and big data will have on this strategy.
Navigation --- Electronics in navigation. --- Electronic navigation --- Marine electronics --- Navigation, Electronics in --- Aids to navigation --- Electronics --- Electronics in transportation --- Ships --- Navigation, Primitive --- Locomotion --- Orientation --- Nautical astronomy --- Naval art and science --- Pilots and pilotage --- Data processing. --- Electronic equipment --- Shipping --- navigatie --- Electronics in navigation --- Data processing --- Navigation - Data processing
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This book is concerned with the theory, development and design of electroacoustic transducers for underwater applications, and is more comprehensive than any existing book in this field. It includes the basics of the six major types of electroacoustic transducers, with emphasis on the piezoelectric ceramic transducers that are currently most widely used. It presents the basic acoustics, as well as specific acoustic data, needed in transducer design and includes analysis of nonlinear effects in transducers. A large number of specific transducer designs, including both projectors and hydrophones, are described in detail as well as methods of modeling, evaluation and measurement. Analysis of transducer arrays, including the effects of mutual radiation impedance, as well as numerical models for transducers and arrays are also covered. The book contains an extensive Appendix of useful current information, including data on the latest transduction materials, and numerous diagrams that will facilitate its use by students and practicing engineers and scientists.
Engineering sciences. Technology --- Computer. Automation --- beeldverwerking --- ingenieurswetenschappen --- signaalverwerking --- Underwater acoustics --- Transducers. --- Sonar. --- Instruments. --- Asdic --- Echo ranging --- Sound navigation ranging --- Detectors --- Electronics in navigation --- Signals and signaling, Submarine --- Ultrasonic equipment --- Electric apparatus and appliances --- Electromechanical devices --- Electronic apparatus and appliances
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