Localization Of A Moving Source Using Passive Array Data
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Localization Of A Moving Source Using Passive Array Data
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Author : E. Weinstein
language : en
Publisher:
Release Date : 1978
Localization Of A Moving Source Using Passive Array Data written by E. Weinstein and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with categories.
Signal Processing Handbook
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Author : C.H. Chen
language : en
Publisher: CRC Press
Release Date : 1988-07-26
Signal Processing Handbook written by C.H. Chen and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988-07-26 with Technology & Engineering categories.
Introductory, systematic treatment of the many interrelated aspects. Twenty-three contributions address the fundamentals, spectral estimation algorithms, image processing, land and ocean seismic data, telecommunications, 3-D object reconstructions. Alk. paper. Annotation copyright Book News, Inc. Po
Localization Of A Quiet Moving Source With Modal Music And Range Coherent Matched Field Processing
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Author : Franklin Hunter Akins
language : en
Publisher:
Release Date : 2023
Localization Of A Quiet Moving Source With Modal Music And Range Coherent Matched Field Processing written by Franklin Hunter Akins and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with categories.
Passive acoustic signal processing has the remarkable capacity to achieve traditional goals of active sonar, such as detection and ranging, simply by listening. Matched field processing (MFP) exploits the physics of wave propagation to design filters tailored to the underwater acoustic environment and solve passive sonar problems of detection and localization. The second chapter of this dissertation introduces range-coherent MFP to increase the coherent integration time of the signal from a moving source. Range-coherent MFP searches over candidate source tracks to compute time-dependent replicas that are then used to coherently combine data over a vertical array and over multiple resolution cells.The method improves on existing methods by extending the application of MFP to low signal-to-noise ratio (SNR) regimes. The third chapter introduces modal-MUSIC to estimate waveguide properties by using the structure of noise recorded on a vertical line array. Modal-MUSIC estimates the horizontal wavenumbers of the modal field from noise on a partially-spanning array. It relaxes the requirement of state-of-the art passive methods which require a full water column spanning array. In this chapter, the modal field parameters estimated from noise with modal-MUSIC are successfully used to localize a source at high SNR without an environmental model. In the fourth chapter, these two developments are brought together to demonstrate the feasibility of MFP at low SNR in the absence of extensive a priori information on the seabed properties. The fourth chapter improves upon the model-free localization results with modal-MUSIC in chapter three by fitting the modal wavenumbers to a geoacoustic model. This dissertation extends the application of MFP to the passive localization of a low SNR moving source in the absence of knowledge of the seabed properties.
Practical Geolocation For Electronic Warfare Using Matlab
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Author : Nicholas O'Donoughue
language : en
Publisher: Artech House
Release Date : 2022-06-30
Practical Geolocation For Electronic Warfare Using Matlab written by Nicholas O'Donoughue and has been published by Artech House this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-06-30 with Technology & Engineering categories.
This text explores the practical realities that arise from the employment of geolocation for electronic warfare in real-world systems, including position of the target, errors in sensor position, orientation, or velocity, and the impact of repeated measurements over time. The problems solved in the book have direct relevance to accurately locating and tracking UAVs, planes, and ships. As a companion volume to the author’s previous book Emitter Detection and Geolocation for Electronic Warfare (Artech House, 2019), this book goes in depth on real-world complications that include: working within and converting between different coordinate systems, incorporation of prior information about targets, sensor uncertainties, the use of multiple snapshots over time, and estimating the current position and velocity of moving targets. The e-book version described here includes several links to software and videos that can be downloaded from the publicly available Git repository. The book also includes all MATLAB code necessary to develop novel algorithms that allow comparisons to classical techniques and enable you to account for errors in timing, position, velocity, or orientation of the sensors. With its unique and updated coverage of detailed geolocation techniques and data, and easy linkable access to additional software and videos, this is a must-have book for engineers and electronic warfare practitioners who need the best information available on the development or employment of geolocation algorithms. It is also a useful teaching resource for faculty and students in engineering departments covering RF signal processing topics, as well as anyone interested in novel applications of SDR’s and UAVs.
Emitter Detection And Geolocation For Electronic Warfare
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Author : Nicholas O'Donoughue
language : en
Publisher: Artech House
Release Date : 2019-10-31
Emitter Detection And Geolocation For Electronic Warfare written by Nicholas O'Donoughue and has been published by Artech House this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-10-31 with Technology & Engineering categories.
This comprehensive resource provides theoretical formulation for detecting and geolocating non-cooperative emitters. Implementation of geolocation algorithms are discussed, as well as performance prediction of a hypothetical passive location system for systems analysis or vulnerability calculation. Comparison of novel direction finding and geolocation algorithms to classical forms are also included. Rooted in statistical signal processing and array processing theory, this book also provides an overview of the application of novel detection and estimation algorithms to real world problems in EW. The book is divided into three parts: detection, angle of arrival estimation, and geolocation. Each section begins with an introductory chapter covering the relevant signal processing theory (either detection or estimation), then provides a series of chapters covering specific methods to achieve the desired end-product. MATLAB® code is provided to assist readers with relevant probability and statistics, RF propagation, atmospheric absorption, and noise, giving readers an understanding of the implementation of the algorithms in the book, as well as developing new approaches to solving problems. Packed with problem sets and examples, this book strikes a balance between introductory texts and reference manuals, making it useful for novice as well as advanced practitioners.
Multisource Localization From Delay And Doppler Measurements
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Author : B. Friedlander
language : en
Publisher:
Release Date : 1986
Multisource Localization From Delay And Doppler Measurements written by B. Friedlander and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
The estimation of the locations of multiple radiating sources by analysis of passive array measurements is discussed. Computationally efficient, accurate source location estimators are derived based on differential delay and doppler measurements. The measurement of differential delay and doppler is also discussed; and, finally, the optimal tracking of moving sources via dynamic programming methods operating on correlogram and dopplergram data is presented. Keywords include: Localization, Tracking, Source location estimation, TDOA (Time-difference-of-Arrival), Time Delay, RD (Range Difference), Doppler, Spectral Estimation, and Closed-form Estimators.
Underwater Signal And Data Processing
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Author : Joseph C. Hassab
language : en
Publisher: CRC Press
Release Date : 2018-01-18
Underwater Signal And Data Processing written by Joseph C. Hassab and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-18 with Technology & Engineering categories.
A systematic and integrated account of signal and data processing with emphasis on the distinctive marks of the ocean environment is provided in this informative text. Underwater problems such as space-time processing relations vs. disjointed ones, processing of passive observations vs. active ones, time delay estimation vs. frequency estimation, channel effects vs. transparent ones, integrated study of signal, data, and channel processing vs. separate ones, are highlighted. The book provides the beginner with a concise presentation of the essential concepts, defines the basic computational steps, and gives the mature reader an advanced view of underwater systems and the relationships among their building blocks. It presents the needed topics on applied estimation theory within the underwater systems context. Included are topics in linear and nonlinear filtering, spectral analysis, generalized correlation, cepstrum and complex demodulation, Cramer-Rao Bounds, maximum likelihood, weighted least-squares, Kalman filtering, expert systems, wave propagation and their use, as well as their performance in applications to canonical ocean problems. The applications center on the definition, analysis, and solution implementations to representative underwater signal analysis problems dealing with signals estimation, their location and motion. The potential limitations and pitfalls of the implementations are delineated in homogeneous, noisy, interfering, inhomogeneous, multipath, distortions, and/or dispersive channels.
Underwater Acoustics And Signal Processing
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Author : L. Bjørnø
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Underwater Acoustics And Signal Processing written by L. Bjørnø and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
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.
Sound Source Localization
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Author : Richard R. Fay
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-05-20
Sound Source Localization written by Richard R. Fay and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-05-20 with Science categories.
The Springer Handbook of Auditory Research presents a series of compreh- sive and synthetic reviews of the fundamental topics in modern auditory - search. The volumes are aimed at all individuals with interests in hearing research including advanced graduate students, postdoctoral researchers, and clinical investigators. The volumes are intended to introduce new investigators to important aspects of hearing science and to help established investigators to better understand the fundamental theories and data in ?elds of hearing that they may not normally follow closely. Each volume presents a particular topic comprehensively, and each serves as a synthetic overview and guide to the literature. As such, the chapters present neither exhaustive data reviews nor original research that has not yet appeared in peer-reviewed journals. The volumes focus on topics that have developed a solid data and conceptual foundation rather than on those for which a literature is only beginning to develop. New research areas will be covered on a timely basis in the series as they begin to mature.
Issues In Acoustic Signal Image Processing And Recognition
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Author : C. H. Chen
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Issues In Acoustic Signal Image Processing And Recognition written by C. H. Chen and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Computers categories.
The NATO Advanced Research Workshop on Issues in Acoustic Signal/Image Processing and Recognition was held August 5-9, 1982 at the Cappuccini complex in San Miniato Italy. The Workshop was primarily concerned with the underwater acoustic signal processing and seismic signal analysis and a major effort was made to link these topics with pattern recognition, i~ge processing and artificial intelligence. Major issues and new approaches in these interrelated areas were closely examined in the Workshop. In addition to paper presentations three discussion sessions were held on! (1) spectral analysis in underwater acoustics, (2) seismic wave propaga tion, seismic imaging and migration, and seismic inversion, and (3) unresolved issues and future directions. This Proceedings volume includes most presentations made at the Workshop. The publication, like the meeting itself, is unique in the sense that it provides exten sive interactions among the closely related areas stated above. Such interactions which usually result in the integration of different systems or approaches are certainly much needed to achieve some performance breakthrough while individual systems or approaches reach their performance limit. I am grateful to all participants for their active participation that makes the Workshop very productive, and to Dr. Lewis J. Lloyd and Dr. Ralph Goodman for their help to arrange an informative visit to the SACLANT ASW Research Centre for the Workshop participants. I am confident that this publication will be equally produc tive to report important current research results and near-future research activity particularly in underwater acoustic signal processing.