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Focusing Of Dispersive Targets Using Synthetic Aperture Radar
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Book Synopsis Focusing of Dispersive Targets Using Synthetic Aperture Radar by :
Download or read book Focusing of Dispersive Targets Using Synthetic Aperture Radar written by and published by . This book was released on 1994 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: The focusing of synthetic aperture radar (SAR) data presents problems to the designer. This report addresses the SAR focusing problem with special attention to focusing an area in the near field of the synthetic aperture over a decade or more of bandwidth in a manner that preserves target resonance characteristics. A method for solving this image formation problem is described, along with a computationally efficient algorithm that is applicable to real-time processing with motion compensation. Simplified program examples are given, as well as a complete program listing that executes on several single-chip array processors simultaneously. An error analysis shows quantitatively when the depth of focus is adequate to preserve long-duration target resonance ringing effects for a given target Q, geometry, and bandwidth. SAR, UWB, Focusing radar.
Book Synopsis Ultra Wide Bandwidth Synthetic Aperture Radar Focusing of Dispersive Targets by :
Download or read book Ultra Wide Bandwidth Synthetic Aperture Radar Focusing of Dispersive Targets written by and published by . This book was released on 1992 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report addresses focusing of synthetic aperture radar (SAR) data, More specifically, it addresses the SAR focusing problem with special attention to focusing an area in the near-field of the synthetic aperture over a decade or more of bandwidth in a manner that preserves target resonance characteristics, A method for solving this image formation problem is described, along with a computationally efficient algorithm that is applicable to real-time processing with motion compensation, Both simplified program examples are given, as well as a complete program listing that executes on a several single-chip array processors simultaneously, An error analysis shows quantitatively when the depth of focus is adequate to preserve long-duration target resonance ringing effects for a given target Q, geometry, and bandwidth.
Book Synopsis Synthetic Aperture Radar Moving Target Focusing and Geolocation Using Moving Reference Processing by : Christopher D. Lemanski (MAJ, USAF.)
Download or read book Synthetic Aperture Radar Moving Target Focusing and Geolocation Using Moving Reference Processing written by Christopher D. Lemanski (MAJ, USAF.) and published by . This book was released on 2006 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Imaging Targets Embedded in a Lossy Half Space with Synthetic Aperture Radar by :
Download or read book Imaging Targets Embedded in a Lossy Half Space with Synthetic Aperture Radar written by and published by . This book was released on 1994 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper addresses theoretical aspects of forming images from an airborne Synthetic Aperture Radar (SAR) of targets buried below the earth's surface. Soil is generally a lossy, dispersive medium, with wide ranging variability in these attributes depending on soil type, moisture content, and a host of other physical properties. Focussing a SAR subsurface image presents new dimensions of complexity relative to its surface-image counterpart, even when the soil's properties are known. This paper treats the soil as a lossy, dispersive half space, and presents a practical model for the radar echo-delay time to point scatterers within it. This model is then used to illustrate effects of refraction, dispersion, and attenuation on a SAR's phase histories, and the resulting image. Various data collection geometries and processing strategies are examined for both 2-Dimensional and 3-Dimensional SAR images. The conclusions from this work are that (1) focussing a SAR image must generally take into account both refraction and dispersion, (2) resolving targets at different depths in lossy soils requires perhaps unprecedented sidelobe attenuation, that for some soils may only be achievable with specialized window functions, (3) the impulse response of the soil itself places a practical limit on the usable bandwidth of the radar, and (4) dynamic ranges and sensitivities will need to be orders of magnitude greater than typical surface-imaging SARs, leading to significant impact on SAR parameters, for example compressing the usable range of pulse repetition frequencies (PRFs).
Book Synopsis Moving Target Focusing, Geolocation, and Ambiguity Resolution Using Single-channel Synthetic Aperture Radar by : Matthew E. Holston (CAPT, USAF.)
Download or read book Moving Target Focusing, Geolocation, and Ambiguity Resolution Using Single-channel Synthetic Aperture Radar written by Matthew E. Holston (CAPT, USAF.) and published by . This book was released on 2007 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Detection And Identification Of Visually Obscured Targets by : Carl E. Baum
Download or read book Detection And Identification Of Visually Obscured Targets written by Carl E. Baum and published by Routledge. This book was released on 2019-09-26 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt: Beginning with a review of the current need for identification of buried and surface unexplored ordnance such as mines, shells, bombs, this book then explains existing techniques for electromagnetic detection of such targets. A detailed treatment of target signatures (natural frequencies and related parameters) for identification and discrimination of false alarms is also given.
Book Synopsis Meter-Wave Synthetic Aperture Radar for Concealed Object Detection by : Hans Hellsten
Download or read book Meter-Wave Synthetic Aperture Radar for Concealed Object Detection written by Hans Hellsten and published by Artech House. This book was released on 2017-05-31 with total page 367 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique resource presents the principles of meter wave ground imaging radar focusing on foliage penetration. Scattering of VHF/UHF radar signals are presented including the basic laws of electromagnetism, homogeneous media, media discontinuities/non-flat media discontinuities, and ground reflectivity. The book introduces meter wavelength synthetic aperture radar, bandwidth, and SAR imaging principles, including moving objects and also compares collected SAR data. Meter wavelength SAR system design and processing is explored, highlighting low frequency SAR design aspects, characterization of additive noise, antenna system basics, waveforms and emission adaptation which is critical material to the advancement in sensors and signal processing for below ground imaging by the energy industry and governments worldwide. The FFBP method of processing, explicit treatment of base 2 FFBP is explained along with motion errors sensitivity and motion estimation methods. The book also explains the Bayesian change detection, covariance moving target extraction and polarimetric subsurface imaging.
Book Synopsis Proceedings of the 2015 International Conference on Communications, Signal Processing, and Systems by : Qilian Liang
Download or read book Proceedings of the 2015 International Conference on Communications, Signal Processing, and Systems written by Qilian Liang and published by Springer. This book was released on 2016-06-22 with total page 979 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book brings together papers presented at the 4th International Conference on Communications, Signal Processing, and Systems, which provides a venue to disseminate the latest developments and to discuss the interactions and links between these multidisciplinary fields. Spanning topics ranging from Communications, Signal Processing and Systems, this book is aimed at undergraduate and graduate students in Electrical Engineering, Computer Science and Mathematics, researchers and engineers from academia and industry as well as government employees (such as NSF, DOD, DOE, etc).
Book Synopsis A New Target Detector Based on Geometrical Perturbation Filters for Polarimetric Synthetic Aperture Radar (POL-SAR) by : Armando Marino
Download or read book A New Target Detector Based on Geometrical Perturbation Filters for Polarimetric Synthetic Aperture Radar (POL-SAR) written by Armando Marino and published by Springer Science & Business Media. This book was released on 2012-01-26 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents a groundbraking methodology for the radar international community. The detection approach introduced, namely perturbation analysis, is completey novel showing a remarkable capability of thinking outside the box. Perturbation analysis is able to push forward the performance limits of current algorithms, allowing the detection of targets smaller than the resolution cell and highly embedded in clutter. The methodology itself is extraordinary flexibe and has already been used in two other large projects, funded by the ESA (European Space Agency): M-POL for maritime surveillance, and DRAGON-2 for land classification with particular attention to forests. This book is a perfectly organised piece of work where every detail and perspective is taken into account in order to provide a comprehensive vision of the problems and solutions.
Book Synopsis Analysis of Matched Filter Mismatch for Focusing Moving Targets in Multi-channel Synthetic Aperture Radar by : David Kirkland
Download or read book Analysis of Matched Filter Mismatch for Focusing Moving Targets in Multi-channel Synthetic Aperture Radar written by David Kirkland and published by . This book was released on 2014 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Target Scattering Mechanism in Polarimetric Synthetic Aperture Radar by : Si-Wei Chen
Download or read book Target Scattering Mechanism in Polarimetric Synthetic Aperture Radar written by Si-Wei Chen and published by Springer. This book was released on 2018-04-21 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents new and advanced concepts, theories and methodologies in polarimetric synthetic aperture radar (PolSAR) target scattering mechanism modeling and interpretation, which is dedicated to bridge the gap between the acquired data and practical applications. It proposes adaptive and generalized polarimetric target decompositions, to precisely interpret the target scattering mechanisms. Further, it develops a uniform polarimetric matrix rotation theory and a polarimetric coherence pattern visualization and interpretation tool to completely explore and characterize the deep information and target signatures in the rotation domain. Finally, it demonstrates land cover classification, target detection, natural disaster damage investigation and mapping applications which use the novel scattering mechanism investigation tools. The book is a valuable resource for senior undergraduate and postgraduate students, teachers, engineers and researchers in the field of microwave remote sensing, radar polarimetry, imaging radar, and environmental studies.
Book Synopsis Geosynchronous SAR: System and Signal Processing by : Teng Long
Download or read book Geosynchronous SAR: System and Signal Processing written by Teng Long and published by Springer. This book was released on 2018-04-20 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book chiefly addresses the analysis and design of geosynchronous synthetic aperture radar (GEO SAR) systems, focusing on the algorithms, analysis, methods used to compensate for ionospheric influences, and validation experiments for Global Navigation Satellite Systems (GNSS). Further, it investigates special problems in the GEO SAR context, such as curved trajectories, the Earth’s rotation, the ‘non-stop-and-go’ model, high-order Doppler parameters, temporal-variant ionospheric errors etc. These studies can also be extended to SAR with very high resolution and long integration time. Given the breadth and depth of its coverage, scientists and engineers in SAR and advanced graduate students in related areas will greatly benefit from this book.
Book Synopsis Algorithms for Synthetic Aperture Radar Imagery by :
Download or read book Algorithms for Synthetic Aperture Radar Imagery written by and published by . This book was released on 2001 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Imaging with Synthetic Aperture Radar by : Didier Massonnet
Download or read book Imaging with Synthetic Aperture Radar written by Didier Massonnet and published by CRC Press. This book was released on 2008-05-01 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describing a field that has been transformed by the recent availability of data from a new generation of space and airborne systems, the authors offer a synthetic geometrical approach to the description of synthetic aperture radar, one that addresses physicists, radar specialists, as well as experts in image processing.
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1995 with total page 1632 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Detection of Ground Moving Objects with Synthetic Aperture Radar by : Ishuwa C. Sikaneta
Download or read book Detection of Ground Moving Objects with Synthetic Aperture Radar written by Ishuwa C. Sikaneta and published by . This book was released on 2004 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Applied and Computational Mathematics by : Fengshan Liu
Download or read book Advances in Applied and Computational Mathematics written by Fengshan Liu and published by Nova Publishers. This book was released on 2006 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: .
