• DocumentCode
    868860
  • Title

    Asymptotic performance analysis of bearing estimate for spatially distributed source with finite bandwidth

  • Author

    Liu, S.J. ; Wan, Q. ; Yang, J. ; Peng, Y.N.

  • Author_Institution
    Dept. of Electron. Eng., Tsinghua Univ., Beijing, China
  • Volume
    38
  • Issue
    24
  • fYear
    2002
  • fDate
    11/21/2002 12:00:00 AM
  • Firstpage
    1600
  • Lastpage
    1601
  • Abstract
    A signal model of the spatially distributed source with finite bandwidth is presented. The perturbation of the array covariance matrix caused by small bandwidth is analysed. The asymptotic bias of the maximum likelihood estimate of the source bearing is formulated. Numerical results illustrate that the additive bandwidth-induced bias monotonously increases with the spatio-temporal extension of the source.
  • Keywords
    array signal processing; covariance matrices; direction-of-arrival estimation; maximum likelihood estimation; MLE; ULA; array covariance matrix perturbation; asymptotic bias; asymptotic performance analysis; bandwidth-induced bias; bearing estimate; finite bandwidth source; maximum likelihood estimate; signal model; spatially distributed source; uniform linear array;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:20021041
  • Filename
    1106142
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=868860