Resolution Enhancement of Digital Beamformers

Hong Fan, W. Kenneth Jenkins, Ezz I. El-Masry

    Research output: Contribution to journalArticlepeer-review

    13 Scopus citations


    Large array extent is usually required in order to adequately enhance the resolution of a beamformer and to improve its beam pat-tern. Due to physical constraints this requirement may not be met. This paper presents the results of an analytical and experimental study in the use of a signal extrapolation method to enhance the beamformer resolution for small array extent. A real-time implementation scheme is proposed. It is shown that the beam pattern and the resolution of the beamforrner can be improved. Examples for various situations are provided.

    Original languageEnglish (US)
    Pages (from-to)1041-1052
    Number of pages12
    JournalIEEE Transactions on Acoustics, Speech, and Signal Processing
    Issue number5
    StatePublished - Oct 1984

    All Science Journal Classification (ASJC) codes

    • Signal Processing


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