NDLI: Adaptive Detection and Estimation in the Presence of Useful Signal and Interference Mismatches

Content Provider	IEEE Xplore Digital Library
Author	De Maio, A. De Nicola, S. Yongwei Huang Shuzhong Zhang Farina, A.
Copyright Year	1991
Abstract	This paper considers adaptive detection and estimation in the presence of useful signal and interference mismatches. We assume a homogeneous environment where the random disturbance components from the primary and secondary data share the same covariance matrix. Moreover, the data under test contains a deterministic interference vector in addition to the possible useful signal. We focus on the situation where an energy fraction of both the useful signal and the deterministic interference may lie outside their nominal subspaces (conical uncertainty model). Under these conditions, we devise a procedure for the computation of the joint maximum likelihood (ML) estimators of the useful signal and interference vectors, resorting to a suitable rank-one decomposition of a semidefinite program (SDP) problem optimal solution. Hence, we use the aforementioned estimators for the synthesis of adaptive receivers based on different generalized likelihood ratio test (GLRT) criteria. At the analysis stage, we assess the performance of the new detectors in comparison with some decision rules, available in open literature.
Sponsorship	IEEE Signal Processing Society
Starting Page	436
Ending Page	450
Page Count	15
File Size	1282788
File Format	PDF
ISSN	1053587X
Volume Number	57
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-02-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Adaptive signal detection Interference Testing Maximum likelihood estimation Covariance matrix Uncertainty Maximum likelihood detection Signal synthesis Performance analysis Detectors semidefinite programming relaxation Adaptive detection nonconvex quadratic optimization radar signal processing
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering

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