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A novel DOA estimation method in constant beam-width beam space

  • Northwestern Polytechnical University Xian

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

The noise in constant beam-width beam space is spatially correlative and spectrally color, which affect the performance of broadband beam space high resolution DOA estimator. Based on the analysis of noise property in constant beam-width beam space, a weighted signal-subspace spatial-spectra (WSS) estimator in constant beam-width beam space is proposed in this paper. This method correctly expresses noise subspace using both eigenvalues and eigenvectors of broadband beam space covariance matrix. Thus it overcomes the effect of the beam space noise and improves the performance of broadband beam space MUSIC algorithm. Computer simulation results show that the correctness and efficiency of the new method.

Original languageEnglish
Title of host publicationIEEE TENCON 2004 - 2004 IEEE Region 10 Conference Proceedings
Subtitle of host publicationAnalog and Digital Techniques in Electrical Engineering
PublisherInstitute of Electrical and Electronics Engineers Inc.
PagesA551-A554
ISBN (Print)0780385608
DOIs
StatePublished - 2004
Event2004 IEEE Region 10 Conference: Analog and Digital Techniques in Electrical Engineering, IEEE TENCON 2004 - Chiang Mai, Thailand
Duration: 21 Nov 200424 Nov 2004

Publication series

NameIEEE Region 10 Annual International Conference, Proceedings/TENCON
VolumeA
ISSN (Print)2159-3442
ISSN (Electronic)2159-3450

Conference

Conference2004 IEEE Region 10 Conference: Analog and Digital Techniques in Electrical Engineering, IEEE TENCON 2004
Country/TerritoryThailand
CityChiang Mai
Period21/11/0424/11/04

Keywords

  • Beam space
  • Broadband
  • DOA estimation
  • High resolution

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