In mathematics, the FBI transform or Fourier–Bros–Iagolnitzer transform is a generalization of the Fourier transform developed by the French mathematical...

Chirplet transform Fractional Fourier transform (FRFT) Hankel transform: related to the Fourier Transform of radial functions. Fourier–Bros–Iagolnitzer transform...

below), the real analyticity can be characterized using the Fourier–Bros–Iagolnitzer transform. In the multivariable case, real analytic functions satisfy...