Weibull Radar Clutter PDF Download
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Author: Matsuo Sekine
Publisher: IET
ISBN: 9780863411915
Category : Technology & Engineering
Languages : en
Pages : 208
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Book Description
The material presented in this book is intended to provide the reader with a pratical treatment of Weibull distribution as applied to radar systems. This book is primarily written for radar engineeres. Topics include: general derivation of Weibull distribution, measurements of Weibull-distributed clutter, comparison of Weibulkl distribution with various distributions including Rayleigh, gamma, log-nornal and k- distributions to name just a few.
Author: Matsuo Sekine
Publisher: IET
ISBN: 9780863411915
Category : Technology & Engineering
Languages : en
Pages : 208
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Book Description
The material presented in this book is intended to provide the reader with a pratical treatment of Weibull distribution as applied to radar systems. This book is primarily written for radar engineeres. Topics include: general derivation of Weibull distribution, measurements of Weibull-distributed clutter, comparison of Weibulkl distribution with various distributions including Rayleigh, gamma, log-nornal and k- distributions to name just a few.
Author: J. Barrie Billingsley
Publisher: William Andrew
ISBN: 0815518218
Category : Technology & Engineering
Languages : en
Pages : 722
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Book Description
A necessary reference for all radar engineers or analysts including many levels of managers, advisors and decision makers in the U.S. and worldwide radar industry. Directly useful in both military (DOD) and civilian (FAA) applications. The result of 20 years of research at MIT Lincoln Lab, this book is of the most significant tehcnological consequence for the industry. It actually solves the problem of low angle radar land clutter by showing the reader how to design and predict the performance of radars that operate in situations where land clutter prevalent. Radar land clutter constitutes the unwanted radar echoes returned from the earth's surface that compete against and interfere with the desired echoes returned by targets such as aircraft and other moving and stationary targets. The ability to accurately predict the effects of land clutter in surface radar has been an unsolved problem for many years. This book is comprehensive in addressing the topic, containing many interrelated results, each important in its own right. It unifies and integrates all the results so as to create a comprehensive, innovative, and unequaled work. The results of this book directly enable the reader to predict land clutter effects in surface radar. Modern military aircraft deliberately fly low to hide their presence from radars that are also dealing with land clutter. Depending on the terrain, the performance of the radar varies greatly from very good to very poor. This book helps radar engineers provide accurate assessments of ground clutter, thus bringing their ability to detect and operate against low flying aircraft to a much higher and much more consistent level.
Author: Leon C. Rountree
Publisher:
ISBN:
Category :
Languages : en
Pages : 79
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Book Description
In this thesis, the detection characteristics of a steady target immersed in radar clutter characterized by returns statistically modeled according to a Weibull probability density function are developed. A detector model is developed by modifying an envelope detection scheme used to detect deterministic signals in Gaussian noise. By examining the statistics of the detector output under alternate hypotheses, an expression for the probability of detection (P sub d) is developed in terms of the probability of false alarm (P sub fa), the signal-to-clutter ratio (SCR), and the Weibull skewness parameter (b), which is a function of the type of terrain causing the clutter. This expression is used in conjunction with a form of the radar range equation for area clutter to describe the relationship between p sub d, p sub fa, SCR, b, and the radar detection range. This relationship involves Marcum's Q sub d function and an algorithm is presented which evaluates this function. The algorithm is a series approximation, also presented as a recursive relationship, that can be computed to a desired precision. Plots of P sub d versus SCR and P sub d versus range are developed for various values of p sub fa and b. The plots provide a means of evaluating the detector performance and predicting the radar detection range for several values of b.
Author: Keith Ward
Publisher: IET
ISBN: 1849195897
Category : Sports & Recreation
Languages : en
Pages : 584
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Book Description
The second edition of Sea Clutter: Scattering, the K Distribution and Radar Performance gives an authoritative account of our current understanding of radar sea clutter. Topics covered include the characteristics of radar sea clutter, modelling radar scattering by the ocean surface, statistical models of sea clutter, the simulation of clutter and other random processes, detection of small targets in sea clutter, imaging ocean surface features, radar detection performance calculations, CFAR detection, and the specification and measurement of radar performance. The calculation of the performance of practical radar systems is presented in sufficient detail for the reader to be able to tackle related problems with confidence. For this fully revised and updated second edition new material has been added on the Doppler characteristics of sea clutter and associated detection processing methods, bistatic sea clutter measurements; electromagnetic scattering theory of littoral sea clutter and bistatic sea clutter; the use of models for predicting radar performance, including discussion of Lognormal and Weibull models; further results and extended discussion on the modelling of the K distribution shape parameter for different conditions; the simulation of Doppler spectra of sea clutter; high grazing angle scattering; and the use of the K distribution in other fields. The material has been reorganized into four parts: Sea Clutter Properties, Mathematics of the K distribution, Radar Detection and Physical Modelling. This reorganization allows readers to access specific areas quickly, without the need for an extensive knowledge of the other parts.
Author: Keith D. Ward
Publisher: IET
ISBN: 0863415032
Category : Science
Languages : en
Pages : 474
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Book Description
Sea Clutter: Scattering, the K Distribution and Radar Performance examines the statistics of radar scattering from the sea surface in terms of their relevance to radar operating in a maritime environment; including remote sensing, surveillance and targeting applications. A lot of the work in the book is based on the compound Kdistribution model for the amplitude statistics of sea clutter. In addition, the book addresses the specification of performance required by customers and the measurement of performance of systems supplied to customers.
Author: Chevalier François Le
Publisher: Artech House
ISBN: 9781608071357
Category : Radar
Languages : en
Pages : 422
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Book Description
Author: Yunhan Dong
Publisher:
ISBN:
Category : Distribution (Probability theory)
Languages : en
Pages : 44
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Book Description
Author: T. Suzuki
Publisher: North Holland
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 806
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Book Description
The 138 papers contained in this volume present the newest and most sophisticated techniques, which have been developed in different but related fields of research from radar to medical and industrial imaging. Enormously extended areas of research are covered, they are however, related to each other from the view point of noise and clutter rejection. The interdisciplinary nature of the proceedings will make them of considerable interest to a broad readership. A selection of contents: Polarimetric SAR: Principles and Applications (F.T. Ulaby). Flow field characterization by NMR (O. Nalcioglu). Weibull clutter and its suppression (M. Sekine). Sessions: A. Noise and Clutter Properties. I. Application of the K-distribution to Radar Clutter (K.D. Ward). Sea CAS: Sea clutter acquisition system (J. Dunn-Rogers). Space and frequency correlation of multipath fading due to sea surface scattering and its reduction by diversity technique for low G/T mobile satellite communications (M. Yasunaga et al.). II. A study of land clutter spectrum (N. Li). Polarimetric measurement of the propagation characteristics of forest clutter (M.W. Whitt et al.). Remote Sensing. I.
Author:
Publisher: Elsevier
ISBN: 0080950604
Category :
Languages : en
Pages : 722
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Book Description
Author: Mervin C. Budge
Publisher: Artech House
ISBN: 1630815578
Category : Technology & Engineering
Languages : en
Pages : 816
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Book Description
This highly-anticipated second edition of an Artech House classic covers several key radar analysis areas: the radar range equation, detection theory, ambiguity functions, waveforms, antennas, active arrays, receivers and signal processors, CFAR and chaff analysis. Readers will be able to predict the detection performance of a radar system using the radar range equation, its various parameters, matched filter theory, and Swerling target models. The performance of various signal processors, single pulse, pulsed Doppler, LFM, NLFM, and BPSK, are discussed, taking into account factors including MTI processing, integration gain, weighting loss and straddling loss. The details of radar analysis are covered from a mathematical perspective, with in-depth breakdowns of radar performance in the presence of clutter. Readers will be able to determine the nose temperature of a multi-channel receiver as it is used in active arrays. With the addition of three new chapters on moving target detectors, inverse synthetic aperture radar (ISAR) and constant false alarm rate (CFAR) and new MATLAB codes, this expanded second edition will appeal to the novice as well as the experienced practitioner.
