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Quadratic phase Fourier transform (QPFT) is a useful tool in signal processing and optics, which is a generalization of Fourier transform (FT), fractional Fourier transform (FrFT), and linear canonical transform (LCT). In this article, the multidimensional QPFT is introduced. Also, some important properties like asymptotic behavior and the real Paley-Wiener theorem of multidimensional QPFT are discussed.

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Real Paley-Wiener Theorem for Multidimensional Quadratic Phase Fourier Transform

  • 会议论文

  • 发表日期：

    2026年

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  • Sarga Varghese,
  • Manab Kundu

摘要

Quadratic phase Fourier transform (QPFT) is a useful tool in signal processing and optics, which is a generalization of Fourier transform (FT), fractional Fourier transform (FrFT), and linear canonical transform (LCT). In this article, the multidimensional QPFT is introduced. Also, some important properties like asymptotic behavior and the real Paley-Wiener theorem of multidimensional QPFT are discussed.