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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 26, Iss. 9 — May. 1, 2001
  • pp: 578–580

Multifractional correlation

Banghe Zhu and Shutian Liu  »View Author Affiliations


Optics Letters, Vol. 26, Issue 9, pp. 578-580 (2001)
http://dx.doi.org/10.1364/OL.26.000578


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Abstract

Multifractional correlation is proposed that is based on a new generalized fractional Fourier transform to which we refer as a multifractional Fourier transform. The multifractional correlation yields remarkable improvements in the correlation output peak intensity, peak sharpness, and light efficiency compared with convention correlation, which uses matched and phase-only filters, and still maintains better target discrimination capability and a reasonable robustness to noise. An optoelectronic hybrid system that can implement the multifractional correlation is also suggested.

© 2001 Optical Society of America

OCIS Codes
(070.2590) Fourier optics and signal processing : ABCD transforms
(070.4550) Fourier optics and signal processing : Correlators
(070.5010) Fourier optics and signal processing : Pattern recognition

Citation
Banghe Zhu and Shutian Liu, "Multifractional correlation," Opt. Lett. 26, 578-580 (2001)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-26-9-578

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