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Titolo:
A novel direction-finding method for cyclostationary signals
Autore:
Lee, JH; Lee, YT;
Indirizzi:
Natl Taiwan Univ, Dept Elect Engn, Taipei 106, Taiwan Natl Taiwan Univ Taipei Taiwan 106 , Dept Elect Engn, Taipei 106, Taiwan
Titolo Testata:
SIGNAL PROCESSING
fascicolo: 6, volume: 81, anno: 2001,
pagine: 1317 - 1323
SICI:
0165-1684(200106)81:6<1317:ANDMFC>2.0.ZU;2-T
Fonte:
ISI
Lingua:
ENG
Keywords:
direction-finding; cyclostationary signals; subspace-fitting;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
10
Recensione:
Indirizzi per estratti:
Indirizzo: Lee, JH Natl Taiwan Univ, Dept Elect Engn, Room 517,Bldg 2, Taipei 106, Taiwan Natl Taiwan Univ Room 517,Bldg 2 Taipei Taiwan 106 ei 106, Taiwan
Citazione:
J.H. Lee e Y.T. Lee, "A novel direction-finding method for cyclostationary signals", SIGNAL PROC, 81(6), 2001, pp. 1317-1323

Abstract

We develop a method based on the phase-SCORE algorithm of Agee et al. (Proc. IEEE 78 (April 1990) 753) to achieve direction finding for cyclostationary signals. Using the weight obtained from the phase-SCORE algorithm, we construct a subspace orthogonal to the subspace spanned by the direction vectors of uncorrelated signals of interest (SOIs). Finding the directions of the uncorrelated SOIs is then performed according to a subspace-fitting concept. For coping with the coherence between SOIs, we incorporate the proposed method with the well-known spatial smoothing algorithm of Shan et al. (IEEE Trans. Acoust. Speech Signal Process ASSP-33 (August 1985) 806) to alleviate the performance degradation due to coherence. Simulation examples for illustration and comparison are also provided. (C) 2001 Elsevier Science B.V. All rights reserved.

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Documento generato il 29/03/20 alle ore 07:16:02