An Airborne Radar Technique for Moving-target Detection, Location, and Tracking PDF Download
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Author: John K. Schindler
Publisher:
ISBN:
Category : Doppler radar
Languages : en
Pages : 58
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Book Description
A novel technique for detecting, locating, and tracking moving targets from an airborne radar platform is described and analyzed. The technique uses the generally dissimilar linear doppler frequency modulated signals from moving targets and stationary ground clutter. A matched filter processor is defined and its resolution and ambiguity properties studied as function processor parameters. Sub-clutter visibility of the processor is then determined. Two techniques for digitally implementing the processor are discussed and the computational efficiencies briefly analyzed. Finally, target angular position can be determined using phase monopulse. It is then shown that target velocity--both ground speed and target heading--can be determined from radar observables. (Author).
Author: John K. Schindler
Publisher:
ISBN:
Category : Doppler radar
Languages : en
Pages : 58
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Book Description
A novel technique for detecting, locating, and tracking moving targets from an airborne radar platform is described and analyzed. The technique uses the generally dissimilar linear doppler frequency modulated signals from moving targets and stationary ground clutter. A matched filter processor is defined and its resolution and ambiguity properties studied as function processor parameters. Sub-clutter visibility of the processor is then determined. Two techniques for digitally implementing the processor are discussed and the computational efficiencies briefly analyzed. Finally, target angular position can be determined using phase monopulse. It is then shown that target velocity--both ground speed and target heading--can be determined from radar observables. (Author).
Author: John K. Schindler
Publisher:
ISBN:
Category : Doppler radar
Languages : en
Pages : 0
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Book Description
A novel technique for detecting, locating, and tracking moving targets from an airborne radar platform is described and analyzed. The technique uses the generally dissimilar linear doppler frequency modulated signals from moving targets and stationary ground clutter. A matched filter processor is defined and its resolution and ambiguity properties studied as function processor parameters. Sub-clutter visibility of the processor is then determined. Two techniques for digitally implementing the processor are discussed and the computational efficiencies briefly analyzed. Finally, target angular position can be determined using phase monopulse. It is then shown that target velocity--both ground speed and target heading--can be determined from radar observables. (Author)
Author: D. Curtis Schleher
Publisher: Artech House Publishers
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 518
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Book Description
Author: Sushil Kumar Joshi
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Jian Yang
Publisher: Springer
ISBN: 9811030758
Category : Technology & Engineering
Languages : en
Pages : 122
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Book Description
Based on a detailed analysis of the signal model of the moving target, this thesis focuses on the theories and applications of ground moving target indicator (GMTI) and ground moving target imaging (GMTIm) algorithms in synthetic aperture radar/ ground moving target indicator (SAR/GMTI mode), wide-area surveillance ground moving target indication (WAS-GMTI) mode and frequency modulated continuous wave synthetic aperture radar (FMCW SAR) systems. The proposed algorithms can not only indicate and image fast-moving targets, but are also effective in the context of slow-moving target processing. The system design scheme combines the mechanical scanning mode and the airborne SAR system, while the azimuth moving target indication algorithm employs the additional range walk migration induced by FMCW SAR systems. In addition, the non-ideal errors that deteriorate the performance of GMTIm algorithms in real SAR data processing are discussed, and suitable compensation methods are provided.>
Author: Katingari Karthik Hebbar
Publisher:
ISBN:
Category : Global system for mobile communications
Languages : en
Pages : 160
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Book Description
Author: Guy V. Morris
Publisher: Artech House Publishers
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 464
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Book Description
Presents the basic principles of pulse-doppler radar without resorting to a heavily mathematical treatment. High-, medium-, and low-pulse repetition frequency (PRF) modes are explained and the advantages and disadvantages of each are discussed. Also included are an explanation of the major signal-processing functions of doppler filtering, pulse compression, tracking, synthetic aperture, selection of medium PRFs, and resolving range ambiguities and a discussion of how to predict the performance of a pulse-doppler radar in the presence of noise and clutter. Annotation copyrighted by Book News, Inc., Portland, OR
Author: William Bernard Goggins
Publisher:
ISBN:
Category : Array processors
Languages : en
Pages : 48
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Book Description
Phased array antennas and doppler signal processors designed to complement each other have been successfully used to maximize the signal-to-clutter (S/C) performance of AMTI radars. The optimum receiving antennas described in this paper allow for nonuniformities created in the ground-clutter doppler spectrum by the transmitting antenna and processing of the received doppler signal; the optimum signal-to-clutter digital processors allow for clutter spectra shaped by the combined effects of the transmitting-receiving antennas. The emphasis has been placed on producing antenna-processor designs that have complementary pass and reject bands. The mathematical techniques used in these designs maximize the ratio between the target signal and the clutter-plus-noise, expressed as a ratio of quadratic forms. The solution for the optimum design, which depends principally on the inversion of a single matrix rather than on any recursive technique, is obtained in closed form.
Author:
Publisher:
ISBN:
Category : Aeronautics, Military
Languages : en
Pages : 128
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Book Description
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 912
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Book Description
