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  • An efficient target detection algorithm via Karhunen-Loève transform for frequency modulated continuous wave (FMCW) radar applications [Elektronski vir]
    Zhu, Louyan ...
    This paper investigates an advanced effective signal processing technique to suppress noise, addressing a modern high-performance detection in the field of radar sensing. To achieve a higher ... accuracy, the frequency modulated continuous wave radar is taken as a case study to derive the algorithm based on Karhunen - Loève transform (KLT) before detection. KLT defines a linear projection of the signal statistics on the eigenfunctions domain, which makes the input-dependent signals orthogonal to each other under new eigen-basis and eigenvalues. The highest energy along slow time dimension of each range bin is concentrated in the transformed domain corresponding to the largest N eigenvalues. The performance of the algorithm is evaluated by different eigenvalue selection strategies. Numerical experiments are employed to obtain the relationship between signal-to-noise ratio and different eigenvalue selection strategies. Pertaining to the detection performance, constant false alarm ratio detector is applied to demonstrate the detection ability as a result of the processor by use of probability of detection (Pd).
    Vir: IET signal processing. - ISSN 1751-9683 (Vol. 16, iss. 7, Sep. 2022, str. 800-810)
    Vrsta gradiva - e-članek ; neleposlovje za odrasle
    Leto - 2022
    Jezik - angleški
    COBISS.SI-ID - 132257539

    Povezava(-e):

    https://ietresearch.onlinelibrary.wiley.com/doi/epdf/10.1049/sil2.12111
    DOI

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