Journal
OPTIK
Volume 122, Issue 10, Pages 864-867Publisher
ELSEVIER GMBH, URBAN & FISCHER VERLAG
DOI: 10.1016/j.ijleo.2010.06.010
Keywords
Fourier transform; Gyrator transform
Categories
Funding
- National Natural Science Foundation of China [10974039, 10674038, 10604042]
- China Postdoctoral Science Foundation [20080430913, 200902409]
- Harbin Institute of Technology [HITQNJS. 2008. 027]
- Fundamental Research Funds for the Central Universities [HIT.NSRIF.2009038]
- National Basic Research Program of China [2006CB302901]
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The expression of gyrator transform (GT) is rewritten by using convolution operation, from which GT can be composed of phase-only filtering, Fourier transform and inverse Fourier transform. Therefore, fast Fourier transform (FFT) algorithm can be introduced into the calculation of convolution format of GT in the discrete case. Some simulations are presented in order to demonstrate the validity of the algorithm. (C) 2010 Elsevier GmbH. All rights reserved.
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