An Improved Adaptive Sidelobe Blanker

We propose a two-stage detector consisting of a subspace detector followed by the whitened adaptive beamformer orthogonal rejection test. The performance analysis shows that it possesses the constant false alarm rate property with respect to the unknown covariance matrix of the noise and that it can...

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Bibliographic Details
Published in:IEEE transactions on signal processing 2008-09, Vol.56 (9), p.4152-4161
Main Authors: Bandiera, F., Besson, O., Orlando, D., Ricci, G.
Format: Article
Language:English
Subjects:
Adaptive radar detection
adaptive sidelobe blanker
Adaptive signal detection
Applied sciences
Constant false alarm rate
constant false alarm rate (CFAR)
Covariance matrix
Detection, estimation, filtering, equalization, prediction
Detectors
Directivity
Exact sciences and technology
Face detection
False alarms
Information, signal and communications theory
Matched filters
Miscellaneous
mismatched signals
Noise
Performance analysis
Radar detection
Radar scattering
Rejection
Sidelobes
Signal and communications theory
Signal design
Signal processing
Signal, noise
Telecommunications and information theory
Testing
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Description
Summary:We propose a two-stage detector consisting of a subspace detector followed by the whitened adaptive beamformer orthogonal rejection test. The performance analysis shows that it possesses the constant false alarm rate property with respect to the unknown covariance matrix of the noise and that it can guarantee a wider range of directivity values with respect to previously proposed two-stage detectors. The probability of false alarm and the probability of detection (for both matched and mismatched signals) have been evaluated by means of numerical integration techniques.
ISSN:1053-587X
1941-0476
DOI:10.1109/TSP.2008.926191