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Author : Steven Brady
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (695 download)
Download or read book Frequency Diverse Array Radar written by Steven Brady and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alper Aytun
Publisher :
ISBN 13 :
Total Pages : 109 pages
Book Rating : 4.:/5 (671 download)
Download or read book Frequency Diverse Array Radar written by Alper Aytun and published by . This book was released on 2010 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electronic scanning is the most desirable feature of state-of-the-art radar systems. With electronic scanning, it is possible to steer the main beam of an array antenna instantaneously into a desired direction where no mechanical mechanism is involved in the scanning process. Electronic scanning methods including phase scanning, time delay scanning, and frequency scanning have been used in various radar applications; however new and cheaper scanning methods are still being investigated. It is the purpose of this thesis to investigate an array configuration called frequency diverse array (FDA), which gives rise to range-, time-, and angle-dependent scanning without using phase shifters. In this thesis, first, frequency diverse array as a time-modulated array is presented. A general analysis and the theory of time domain scanning is given. Equations derived for a time-modulated frequency diverse array are simulated using MATLAB. Amplitude tapering and Fourier series expansion is implemented in MATLAB and the results are provided for comparison. Secondly, analysis of a frequency diverse array is presented. Time-, range-, and angle-dependent electronic scanning is achieved by applying a small amount of frequency shift among the antenna elements. The simulation results for radiation patterns with various excitation types are given. Lastly, the radar applications of FDA are considered. The received power from a target at a fixed range is simulated in MATLAB and the results are presented.
Author : Steven Brady
Publisher :
ISBN 13 :
Total Pages : 428 pages
Book Rating : 4.:/5 (695 download)
Download or read book Frequency Diverse Array Radar written by Steven Brady and published by . This book was released on 2010 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P. Antonik
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (829 download)
Download or read book An Investigation of a Frequency Diverse Array written by P. Antonik and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents a novel concept for focusing an antenna beam pattern as a function of range, time, and angle. In conventional phased arrays, beam steering is achieved by applying a linear phase progression across the aperture. This thesis shows that by applying an additional linear frequency shift across the elements, a new term is generated which results in a scan angle that varies with range in the far-field. Moreover, the antenna pattern is shown to scan in range and angle as a function of time. These properties result in more flexible beam scan options for phased array antennas than traditional phase shifter implementations. The thesis subsequently goes on to investigate this phenomenon via full scale experimentation, and explores a number of aspects of applying frequency diversity spatially across array antennas. This new form of frequency diverse array may have applications to multipath mitigation, where a radio signal takes two or more routes between the transmitter and receiver due to scattering from natural and man-made objects. Since the interfering signals arrive from more than one direction, the range-dependent and auto-scanning properties of the frequency diverse array beam may be useful to isolate and suppress the interference. The frequency diverse array may also have applications to wideband array steering, in lieu of true time delay solutions which are often used to compensate for linear phase progression with frequency across an array, and to sonar, where the speed of propagation results in large percentage bandwidth, creating similar wideband array effects. The frequency diverse array is also a stepping stone to more sophisticated joint antenna and waveform design for the creation of new radar modes, such as simultaneous multi-mode operation, for example, enabling joint synthetic aperture radar and ground moving target indication.
Author : Kohei Arai
Publisher : Springer
ISBN 13 : 3030011771
Total Pages : 1405 pages
Book Rating : 4.0/5 (3 download)
Download or read book Intelligent Computing written by Kohei Arai and published by Springer. This book was released on 2018-11-01 with total page 1405 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book, gathering the Proceedings of the 2018 Computing Conference, offers a remarkable collection of chapters covering a wide range of topics in intelligent systems, computing and their real-world applications. The Conference attracted a total of 568 submissions from pioneering researchers, scientists, industrial engineers, and students from all around the world. These submissions underwent a double-blind peer review process. Of those 568 submissions, 192 submissions (including 14 poster papers) were selected for inclusion in these proceedings. Despite computer science’s comparatively brief history as a formal academic discipline, it has made a number of fundamental contributions to science and society—in fact, along with electronics, it is a founding science of the current epoch of human history (‘the Information Age’) and a main driver of the Information Revolution. The goal of this conference is to provide a platform for researchers to present fundamental contributions, and to be a premier venue for academic and industry practitioners to share new ideas and development experiences. This book collects state of the art chapters on all aspects of Computer Science, from classical to intelligent. It covers both the theory and applications of the latest computer technologies and methodologies. Providing the state of the art in intelligent methods and techniques for solving real-world problems, along with a vision of future research, the book will be interesting and valuable for a broad readership.
Author : Piotr Baizert
Publisher :
ISBN 13 :
Total Pages : 436 pages
Book Rating : 4.:/5 (768 download)
Download or read book Forward-looking Radar Clutter Suppression Using Frequency Diverse Arrays written by Piotr Baizert and published by . This book was released on 2006 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Aaron M. Jones
Publisher :
ISBN 13 :
Total Pages : 61 pages
Book Rating : 4.:/5 (12 download)
Download or read book Frequency Diverse Array Receiver Architectures written by Aaron M. Jones and published by . This book was released on 2011 with total page 61 pages. Available in PDF, EPUB and Kindle. Book excerpt: Typical radar systems are limited to energy distribution characteristics that are range independent. However, operators are generally interested in obtaining information at particular ranges and discarding elsewhere. It seems appropriate then to attempt to put energy solely at the range(s) of interest, thus minimizing exposure to clutter, jammers and other range-dependent interferences sources. The frequency diverse array (FDA) can provide a mechanism to achieve range-dependent beamforming and the spatial energy distribution properties are investigated on transmit and receive for different architectures herein. While simplified FDA receive architectures have been explored, they exclude the return signals from transmitters that are not frequency matched. This practice neglects practical consideration in receiver implementation and has motivated research to formulate a design that includes all frequencies. We present several receiver architectures for a uniform linear FDA, and compare the processing chain and spatial patterns in order to formulate an argument for the most efficient design to maximize gain on target. It may also be desirable to beamsteer in higher dimensionalities than a linear array affords, thus, the transmit and receive concept is extended to a generic planar array. This new architecture allows 3-D beamsteering in angle and range while maintaining practicality. The spatial patterns that arise are extremely unique and afford the radar designer an additional degree of freedom to develop operational strategy. The ability to simultaneously acquire, track, image and protect assets is a requirement of future fielded systems. The FDA architecture intrinsically covers multiple diversity domains and, therefore, naturally lends it self to a multi-mission, multi-mode adar scheme. A multiple beam technique that uses coding is suggested to advance this notion.
Author : Hai Deng
Publisher : CRC Press
ISBN 13 : 0429525893
Total Pages : 235 pages
Book Rating : 4.4/5 (295 download)
Download or read book Radar Networks written by Hai Deng and published by CRC Press. This book was released on 2020-06-09 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: Radar networks are increasingly regarded as an efficient approach to enhancing radar capabilities in the face of popular anti-radar techniques and hostile operating environments. Reader-friendly and self-contained, this book provides a comprehensive overview of the latest radar networking technologies. The text addresses basic, relevant aspects of radar signal processing and statistical theories, including both civilian and military radar applications. It also discusses emerging topics that directly relate to networks, such as multiple-input–multiple-output (MIMO) radars, waveform design, and diversity via multiple transmitters. Other topics covered include target recognition and imaging using radar networks. Features Gives a comprehensive view of the latest radar network technologies Covers both civilian and military applications of radar Provides basic statistics and signal processing necessary for understanding radar networks Includes up-to-date information on MIMO radars Presents waveform design and diversity for radar networks with multiple transmitters
Author : Dale R. Billetter
Publisher : Artech House Radar Library (Ha
ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.:/5 (89 download)
Download or read book Multifunction Array Radar written by Dale R. Billetter and published by Artech House Radar Library (Ha. This book was released on 1989 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: This definitive book supplies the information needed to specify and design a multifunction array radar system. With minimal mathematics, the book shows how radars smaller in aperture and power can meet demands formerly conceived for the larger rotating and phased array radars.
Author : Qilian Liang
Publisher : Springer
ISBN 13 : 9811065713
Total Pages : 2798 pages
Book Rating : 4.8/5 (11 download)
Download or read book Communications, Signal Processing, and Systems written by Qilian Liang and published by Springer. This book was released on 2018-06-07 with total page 2798 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book brings together papers presented at the 2017 International Conference on Communications, Signal Processing, and Systems (ICCSP 2017), which was held on July 14–17, 2017 in Harbin, China. Presenting the latest developments and discussing the interactions and links between these multidisciplinary fields, the book spans topics ranging from communications, signal processing and systems. It is aimed at undergraduate and graduate electrical engineering, computer science and mathematics students, researchers and engineers from academia and industry as well as government employees.
Author : Wen-Qin Wang
Publisher : CRC Press
ISBN 13 : 1466510528
Total Pages : 468 pages
Book Rating : 4.4/5 (665 download)
Download or read book Multi-Antenna Synthetic Aperture Radar written by Wen-Qin Wang and published by CRC Press. This book was released on 2017-07-12 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthetic aperture radar (SAR) is a well-known remote sensing technique, but conventional single-antenna SAR is inherently limited by the minimum antenna area constraint. Although there are still technical issues to overcome, multi-antenna SAR offers many benefits, from improved system gain to increased degrees-of-freedom and system flexibility. Multi-Antenna Synthetic Aperture Radar explores the potential and challenges of using multi-antenna SAR in microwave remote sensing applications. These applications include high-resolution imaging, wide-swath remote sensing, ground moving target indication, and 3-D imaging. The book pays particular attention to the signal processing aspects of various multi-antenna SAR from a top-level system perspective. Explore Recent Extensions of Synthetic Aperture Radar Systems The backbone of the book is a series of innovative microwave remote sensing approaches developed by the author. Centered around multi-antenna SAR imaging, these approaches address specific challenges and potential problems in future microwave remote sensing. Chapters examine single-input multiple-output (SIMO) multi-antenna SAR, including azimuth and elevation multi-antenna SAR, and multiple-input multiple-output (MIMO) SAR. The book details the corresponding system scheme, signal models, time/phase/spatial synchronization methods, and high-precision imaging algorithms. It also investigates their potential applications. Introductory Tutorials and Novel Approaches in Multi-Antenna SAR Imaging Rigorous and self-contained, this is a unique reference for researchers and industry professionals working with microwave remote sensing, SAR imaging, and radar signal processing. In addition to novel approaches, the book also presents tutorials that serve as an introduction to multi-antenna SAR imaging for those who are new to the field.
Author : Robert J. Mailloux
Publisher : Artech House Publishers
ISBN 13 : 9781580536899
Total Pages : 496 pages
Book Rating : 4.5/5 (368 download)
Download or read book Phased Array Antenna Handbook written by Robert J. Mailloux and published by Artech House Publishers. This book was released on 2005-01-01 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This thoroughly revised edition of the Artech House classic, Phased Array Antenna Handbook, offers the most up-to-date and broadest view of array antennas and systems. Supported with over 350 equations and more than 270 illustrations, the book offers complete design details that allow practitioners to size an array system with speed and confidence."--BOOK JACKET.Title Summary field provided by Blackwell North America, Inc. All Rights Reserved
Author : Issa Elbelazi
Publisher :
ISBN 13 :
Total Pages : 93 pages
Book Rating : 4.:/5 (123 download)
Download or read book Receiving Frequency Diverse Array Antenna for Tracking Low Earth Orbit Satellites written by Issa Elbelazi and published by . This book was released on 2020 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Frequency Diverse Array (FDA) antenna provides range - angle - time dependentbeampattern, potentially generating highly directional beams with high gain that may besteered directly and continuously to the desired position. This research explores using FDAantenna for tracking a Low Earth Orbit (LEO) satellite. Although FDA array antenna hasbeen growing in use for radar communication systems with advantages of it is electronicallybeam steering, it is still not truly used in integrate with LEO systems. The mathematicalmodel of FDA antennas with dierent geometries for tracking LEO satellite is presented.Then, the radiation characteristics of linear and Planar-FDA under dierent situations areinvestigated. Further, the planar FDA array owns greater superiority over the linear FDAarray, and it can cover the observation space indicating great potential in LEO trackingand communication applications. A ground receiving antenna system based on planar FDAarray antenna is presented for tracking and communicating with (LEO) satellite at groundstation. This is required to minimize a complexity and the cost of ground station. Tomeet the system gure of merit (G/T) requirement, the radiation characteristics, the gainrequirements, the array size, the minimum number of elements and their distribution forseveral FDA array antenna architectures are calculated and analyzed. Moreover, a generaloverview of system temperature is presented including a noise model for FDA array antenna,and the link budget analysis and evaluation are introduced.
Author : Jian Li
Publisher : John Wiley & Sons
ISBN 13 : 047039143X
Total Pages : 468 pages
Book Rating : 4.4/5 (73 download)
Download or read book MIMO Radar Signal Processing written by Jian Li and published by John Wiley & Sons. This book was released on 2008-10-10 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first book to present a systematic and coherent picture of MIMO radars Due to its potential to improve target detection and discrimination capability, Multiple-Input and Multiple-Output (MIMO) radar has generated significant attention and widespread interest in academia, industry, government labs, and funding agencies. This important new work fills the need for a comprehensive treatment of this emerging field. Edited and authored by leading researchers in the field of MIMO radar research, this book introduces recent developments in the area of MIMO radar to stimulate new concepts, theories, and applications of the topic, and to foster further cross-fertilization of ideas with MIMO communications. Topical coverage includes: Adaptive MIMO radar Beampattern analysis and optimization for MIMO radar MIMO radar for target detection, parameter estimation, tracking,association, and recognition MIMO radar prototypes and measurements Space-time codes for MIMO radar Statistical MIMO radar Waveform design for MIMO radar Written in an easy-to-follow tutorial style, MIMO Radar Signal Processing serves as an excellent course book for graduate students and a valuable reference for researchers in academia and industry.
Author : Walter G. Carrara
Publisher : Artech House on Demand
ISBN 13 : 9780890067284
Total Pages : 554 pages
Book Rating : 4.0/5 (672 download)
Download or read book Spotlight Synthetic Aperture Radar written by Walter G. Carrara and published by Artech House on Demand. This book was released on 1995-01-01 with total page 554 pages. Available in PDF, EPUB and Kindle. Book excerpt: ?The book gives an excellent theoretical and practical background of SAR in general and specifically of spotlight SAR. The rich experience of the authors in spotlight SAR processing is reflected by a very detailed summary of the associated theory as well as a lot of SAR image examples. These images illustrate the techniques described in the book and provide a valuable connection to practice. This book can be highly recommended to all scientists and engineers involved in SAR system design and SAR data evaluation.?---International Journal of Electronics and Communications
Author : Gang Zhang
Publisher : Frontiers Media SA
ISBN 13 : 2889769666
Total Pages : 157 pages
Book Rating : 4.8/5 (897 download)
Download or read book Electronics and Signal Processing written by Gang Zhang and published by Frontiers Media SA. This book was released on 2022-09-14 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Akhtar Kalam
Publisher : Springer
ISBN 13 : 9811047650
Total Pages : 808 pages
Book Rating : 4.8/5 (11 download)
Download or read book Advances in Electronics, Communication and Computing written by Akhtar Kalam and published by Springer. This book was released on 2017-10-27 with total page 808 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a compilation of research work in the interdisciplinary areas of electronics, communication, and computing. This book is specifically targeted at students, research scholars and academicians. The book covers the different approaches and techniques for specific applications, such as particle-swarm optimization, Otsu’s function and harmony search optimization algorithm, triple gate silicon on insulator (SOI)MOSFET, micro-Raman and Fourier Transform Infrared Spectroscopy (FTIR) analysis, high-k dielectric gate oxide, spectrum sensing in cognitive radio, microstrip antenna, Ground-penetrating radar (GPR) with conducting surfaces, and digital image forgery detection. The contents of the book will be useful to academic and professional researchers alike.
