NDLI: Comparison of bistatic clutter mitigation algorithms for varying geometries

Content Provider	IEEE Xplore Digital Library
Author	Melvin, W.L. Callahan, M.J. Davis, M.E.
Copyright Year	2005
Description	Author affiliation: Georgia Tech. Res. Inst., Atlanta, GA, USA (Melvin, W.L.)
Abstract	Airborne bistatic radar systems require effective techniques to mitigate the impact of ground clutter returns on detection performance. Bistatic clutter generally appears more severe than in monostatic systems owing to increased two-way antenna gain over a broad set of angles and greater clutter spectral variation over range. Adaptive filtering seems like a natural response to combat both of these effects. However, the consequent clutter non-stationarity - variation of clutter angle-Doppler response with range presents difficulty when implementing the adaptive filter, since such an effect leads to errors in the require site clutter covariance matrix estimate. Approaches for coping with clutter non-stationarity are central to effective bistatic space-time adaptive processing (STAP) techniques. In this paper we consider the impact of sensor geometry on the performance of several recently proposed bistatic STAP techniques. Our findings suggest best performance for those methods providing pre-STAP compensation of the data in both angle and Doppler.
Sponsorship	Nat. Capital Area Council IEEE Aerospace and Electron. Syst. Soc. RADAR Syst. Panel
Starting Page	98
Ending Page	103
File Size	1203216
Page Count	6
File Format	PDF
ISBN	078038881X
DOI	10.1109/RADAR.2005.1435801
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-05-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Geometry Clutter Signal to noise ratio Adaptive filters Bistatic radar Covariance matrix Training data Laboratories Radar detection Degradation
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Bistatic STAP: application to airborne radar

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Joint space-time interpolation for distorted linear and bistatic array geometries

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Comparison of bistatic clutter mitigation algorithms for varying geometries

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