Interference suppression in the Wigner distribution using fractional Fourier transformation and signal synthesis

S Qazi, A Georgakis, L K Stergioulas, M Shikh-Bahaei

    Research output: Contribution to journalArticlepeer-review

    30 Citations (Scopus)

    Abstract

    A novel method for the suppression of cross terms in the time-frequency domain is introduced. First, interference is identified using a fractional Fourier transform-based technique. Then, auto-terms are detected, synthesized, and subtracted from the original signal. The process is repeated until all signal components are extracted. Finally, the Wigner distributions of pure auto-terms are superimposed to yield a high readability representation.
    Original languageEnglish
    Pages (from-to)3150 - 3154
    Number of pages5
    JournalIEEE Transactions on Signal Processing
    Volume55
    Issue number6
    DOIs
    Publication statusPublished - Jun 2007

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