NDLI: Evaluation of antenna architectures for angle estimation of endo-clutter targets in airborne adaptive radars

Content Provider	IEEE Xplore Digital Library
Author	Bergin, J.S. Techau, P.M.
Copyright Year	2006
Description	Author affiliation: Inf. Syst. Labs., Inc., Vienna, VA, USA (Bergin, J.S.; Techau, P.M.)
Abstract	Adaptive beamforming techniques such as space-time adaptive processing (STAP) combine spatial and temporal degrees of freedom to detect slow moving targets in strong clutter backgrounds. Many techniques exist for choosing the spatial and temporal degrees of freedom. In general these techniques are typically evaluated based on their ability to provide good target detection performance using performance metrics such as signal to interference plus noise ratio (SINR). Since adaptive radars must also provide target location information it is important to also consider how the choice of spatial degrees of freedom will impact direction-of-arrival estimation performance. This paper will investigate the DoA estimation performance of various airborne array architectures including elements and fixed beams (beamspace). It will be shown that in some interference scenarios the spatial degrees of freedom required for good detection performance differ from those required for good DoA estimation performance.
File Size	209750
File Format	PDF
ISBN	0780394968
DOI	10.1109/RADAR.2006.1631870
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-04-24
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Adaptive arrays Airborne radar Radar antennas Direction of arrival estimation Interference Signal to noise ratio Array signal processing Radar detection Clutter Object detection
Content Type	Text
Resource Type	Article

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