A Fast Algorithm for Fractional Fourier Transform with Zooming-in Ability

@article{Zhao2008AFA,
  title={A Fast Algorithm for Fractional Fourier Transform with Zooming-in Ability},
  author={Xinghao Zhao and Ran Tao and Yue Wang},
  journal={2008 4th International Conference on Wireless Communications, Networking and Mobile Computing},
  year={2008},
  pages={1-4}
}
In this paper, we present a novel algorithm for FRFT with zooming-in ability, which is preferable to previous algorithms because it can freely choose computational resolution and zoom in on any interested portion of the fractional spectra, meanwhile, retains the advantage of the Ozaktas algorithm in computational speed. Its advantages in scrutinizing the fine structure of the partial spectra and improving estimation accuracy of chirp central frequency are illustrated by an application example. 

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Applications of the fractional Fourier transform to moving target detection in airborne SAR

  • H. B. Sun, G. S. Liu, H. Gu, W. M. Su
  • IEEE Trans. on Aerospace and Electronic System…
  • 2002
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