Chirp filtering in the fractional Fourier domain.

@article{Dorsch1994ChirpFI,
  title={Chirp filtering in the fractional Fourier domain.},
  author={Rainer Dorsch and Adolf W. Lohmann and Yigal Bitran and David Mendlovic and Haldun Memduh Ozaktas},
  journal={Applied optics},
  year={1994},
  volume={33 32},
  pages={7599-602}
}
In the Wigner domain of a one-dimensional function, a certain chirp term represents a rotated line delta function. On the other hand, a fractional Fourier transform (FRT) can be associated with a rotation of the Wigner-distribution function by an angle connected with the FRT order. Thus with the FRT tool a chirp and a delta function can be transformed one… CONTINUE READING

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