NDLI: L/sub p/ estimation techniques applied to multiple emitter location

Content Provider	IEEE Xplore Digital Library
Author	Kriel, C.W. Yarlagadda, R.
Copyright Year	1988
Description	Author affiliation: Sch. of Electr. & Comput. Eng., Oklahoma State Univ., Stillwater, OK, USA (Kriel, C.W.; Yarlagadda, R.)
Abstract	The application of L/sub p/-norm-based estimation techniques to beamforming using the MUSIC algorithm is addressed. An expression is developed for direction-of-arrival (DOA) estimates that minimizes a sum of terms to the p/sup th/ power, where p may assume values other than 2 (least squares). Additionally, an iterative technique is proposed whereby the effects of previously estimated directions of arrival can be removed from or reduced in DOA spectra, providing the opportunity to resolve arriving waves that were not resolved in the original spectra. Finally, an objective measure of DOA spectrum peak sharpness is presented, which may be used to select among candidate values of p for L/sub p/-norm estimation, and which in some cases provides a means for determining which spectrum peaks correspond to actual arriving waves.
Starting Page	333
Ending Page	338
File Size	547731
Page Count	6
File Format	PDF
DOI	10.1109/SPECT.1988.206216
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1988-08-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Directive antennas Antenna arrays Direction of arrival estimation Multiple signal classification Narrowband Covariance matrix Least squares approximation Array signal processing Gaussian noise Eigenvalues and eigenfunctions
Content Type	Text
Resource Type	Article

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