Space-time Adaptive Signal Processing for Sea Surveillance On-shore Stationary Radars PDF Download
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Author: Tomasz Górski
Publisher:
ISBN:
Category :
Languages : en
Pages : 130
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Book Description
Il existe plusieurs limitations dans les systèmes radar de surveillance maritime. En particulier, un problème important est le fort retour électromagnétique de la surface de mer (notamment pour les mers formées). La définition de nouvelles techniques de traitement de ces données radar est un domaine en pleine expansion. Dans cette thèse, nous proposons l'utilisation de traitement adaptatif dans les domaines temps-fréquence (STAP en anglais) pour la détection d'objets sur la surface de mer. Cependant, cette méthodologie est confrontée à plusieurs difficultés : Non stationnarité (dans le temps et l'espace) du fouillis de mer, Non gaussianité de ce fouillis, fouillis avec un spectre Doppler étendu. Le propos de ce travail a été d'étudier des solutions à ces divers problèmes. En particulier, une modification des techniques de STAP (traitement et décision) pour la prise en compte des problèmes mentionnés ci-dessus est détaillée dans cette thèse. Ces modifications ont été testées sur des données simulées, mais aussi sur des données réelles obtenues grâce au radar à onde de surface WERA.
Author: Tomasz Górski
Publisher:
ISBN:
Category :
Languages : en
Pages : 130
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Book Description
Il existe plusieurs limitations dans les systèmes radar de surveillance maritime. En particulier, un problème important est le fort retour électromagnétique de la surface de mer (notamment pour les mers formées). La définition de nouvelles techniques de traitement de ces données radar est un domaine en pleine expansion. Dans cette thèse, nous proposons l'utilisation de traitement adaptatif dans les domaines temps-fréquence (STAP en anglais) pour la détection d'objets sur la surface de mer. Cependant, cette méthodologie est confrontée à plusieurs difficultés : Non stationnarité (dans le temps et l'espace) du fouillis de mer, Non gaussianité de ce fouillis, fouillis avec un spectre Doppler étendu. Le propos de ce travail a été d'étudier des solutions à ces divers problèmes. En particulier, une modification des techniques de STAP (traitement et décision) pour la prise en compte des problèmes mentionnés ci-dessus est détaillée dans cette thèse. Ces modifications ont été testées sur des données simulées, mais aussi sur des données réelles obtenues grâce au radar à onde de surface WERA.
Author: J.R. Guerci
Publisher: Artech House
ISBN: 1608078213
Category : Technology & Engineering
Languages : en
Pages : 299
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Book Description
Space-time adaptive processing (STAP) is an exciting technology for advanced radar systems that allows for significant performance enhancements over conventional approaches. Based on a time-tested course taught in industry, government and academia, this second edition reviews basic STAP concepts and methods, placing emphasis on implementation in real-world systems. It addresses the needs of radar engineers who are seeking to apply effective STAP techniques to their systems, and serves as an excellent reference for non-radar specialists with an interest in the signal processing applications of STAP. Engineers find the analysis tools they need to assess the impact of STAP on a variety of important radar applications. A toolkit of STAP algorithms and implementation techniques allows practitioners the flexibility of adapting the best methods to their application. In addition, this second edition adds brand new coverage on “STAP on Transmit” and “Knowledge-Aided STAP (KA-STAP).
Author: Richard Klemm
Publisher: IET
ISBN: 0852969244
Category : Technology & Engineering
Languages : en
Pages : 971
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Book Description
This text discusses various applications of space-time adaptive processing, including applications in OTH-radar, ground target tracking, STAP in real world clutter environments, jammer cancellation, superresolution, active sonar, seismics and communications. It is divided into two parts: the first dealing with the classical adaptive suppression of airborne and spacebased radar clutter, and the second comprising of miscellaneous applications in other fields such as communications, underwater sound and seismics.
Author: Richard Klemm
Publisher: IET
ISBN: 0863415660
Category : Technology & Engineering
Languages : en
Pages : 670
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Book Description
This book presents a systematic introduction to airborne MTI (moving target indication) system design for use in the fields of earth observation, surveillance and reconnaissance, with particular regard to the suppression of clutter returns. New developments in the field and special aspects of airborne MTI radar are also covered.
Author: Frederick W. Lee
Publisher:
ISBN:
Category : Radar
Languages : en
Pages : 16
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Book Description
Author: Richard Klemm
Publisher: Institute of Electrical & Electronics Engineers(IEEE)
ISBN:
Category : Philosophy
Languages : en
Pages : 456
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Book Description
This is a systematic introduction to airborne MTI radar design in use in the fields of earth observation, surveillance and reconnaissance, with particular regard to the suppression of clutter returns. It explores signal processing techniques, jamming and system applications, including sonar.
Author: J. R. Guerci
Publisher:
ISBN: 9781523117581
Category : Adaptive signal processing
Languages : en
Pages :
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Book Description
Based on a time-tested course taught in industry, government and academia, this book addresses the needs of radar engineers who are seeking to apply effective STAP techniques to their systems, and serves as an excellent reference for non-radar specialists with an interest in the signal processing applications of STAP. --
Author: Alexander Haimovich
Publisher:
ISBN:
Category :
Languages : en
Pages : 128
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Book Description
In airborne surveillance radar applications, adaptive antennas provide for the detection of small targets in severe clutter environments. Adaptive antennas are currently being considered for the design of next generation surveillance platforms. The radar problem is two-dimensional with radar returns being a function of both angle and Doppler. Space-Time Adaptive Processing (STAP) is required for rejection of interferences in the space-time domains. To make STAP feasible for incorporation into future systems, low complexity algorithms are required. The space-time radar problem is well suited to the application of techniques that take advantage of the low-rank properties associated with the interference in such radars. The Eigencanceler is an interference cancellation method based on the spectral decomposition (eigenanalysis) of the space-time covariance matrix. The linear space spanned by the columns of the space-time covariance matrix is formed by the union of the algebraic spaces of the interference and the noise. The Eigencanceler's weight vector is designed to lie in the noise subspace and to provide a prescribed gain to the desired signal. Thus significant computational savings are realized since a Weiner filter requires a matrix inversion, while the eigencanceler is implemented by computing only a limited number of interference eigenvectors.
Author: Fabrizio Berizzi
Publisher: CRC Press
ISBN: 1315356678
Category : Political Science
Languages : en
Pages : 297
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Book Description
Based on the experiences of the Department of Information Engineering of the University of Pisa and the Radar and Surveillance System (RaSS) national laboratory of the National Interuniversity Consortium of Telecommunication (CNIT), Radar Imaging for Maritime Observation presents the most recent results in radar imaging for maritime observation. The book explores both the areas of sea surface remote sensing and maritime surveillance providing key theoretical concepts of SAR and ISAR imaging and more advanced and ad-hoc techniques for applications in maritime scenarios. The book is organized in two sections. The first section discusses the fundamentals of standard SAR/ISAR processing and novel imaging techniques, such as Bistatic, Passive, and, 3D Interferometric ISAR. The second section focuses on the applications and results obtained by processing real data from maritime observations like SAR image processing for oil spill, detection in SAR images and fractal analysis. Useful to both beginners and experts in maritime observation, this book provides several examples of (mainly space-borne) radar imaging of maritime targets. Nevertheless, the same principles and techniques apply to the case of manned or unmanned carriers and to ground and air moving targets.
Author: Antonio De Maio
Publisher: Cambridge University Press
ISBN: 110857694X
Category : Technology & Engineering
Languages : en
Pages : 381
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Book Description
Learn about the most recent theoretical and practical advances in radar signal processing using tools and techniques from compressive sensing. Providing a broad perspective that fully demonstrates the impact of these tools, the accessible and tutorial-like chapters cover topics such as clutter rejection, CFAR detection, adaptive beamforming, random arrays for radar, space-time adaptive processing, and MIMO radar. Each chapter includes coverage of theoretical principles, a detailed review of current knowledge, and discussion of key applications, and also highlights the potential benefits of using compressed sensing algorithms. A unified notation and numerous cross-references between chapters make it easy to explore different topics side by side. Written by leading experts from both academia and industry, this is the ideal text for researchers, graduate students and industry professionals working in signal processing and radar.
