NDLI: Applications of cumulants to array processing. IV. Direction finding in coherent signals case

Content Provider	IEEE Xplore Digital Library
Author	Gonen, E. Mendel, J.M. Dogan, M.C.
Copyright Year	1991
Abstract	For pt.III see ibid., vol.45, no.9, p.2253-64, 1997. We present a subspace-based direction finding method for coherent signal environments using an antenna array. Our method, which uses fourth-order statistics, is capable of resolving more signals than a comparable second-order statistics-based subspace method and is applicable to a larger class of arrays. The maximum number of signals resolvable with our method may exceed the number of sensors in the array. Only a uniform linear subarray is needed; the rest of the array may have arbitrary and unknown response and does not require calibration. On the other hand, the comparable second-order statistics-based method is limited to uniform linear arrays only. No search procedure is needed in our method. Simulation experiments supporting our conclusions are provided.
Sponsorship	IEEE Signal Processing Society
Starting Page	2265
Ending Page	2276
Page Count	12
File Size	446488
File Format	PDF
ISSN	1053587X
Volume Number	45
Issue Number	9
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Signal processing Computer aided software engineering Sensor arrays Signal resolution Calibration Smoothing methods Spatial resolution Array signal processing Signal processing algorithms Navigation
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering

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