Spectrum Enlargement and Wavelet Transform on Planar Fractal by Improved 4f Fourier Optical System

[in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]

Journals >Acta Optica Sinica >Volume 20 >Issue 2 >Page 219 > Article

Acta Optica Sinica
Vol. 20, Issue 2, 219 (2000)

Spectrum Enlargement and Wavelet Transform on Planar Fractal by Improved 4f Fourier Optical System

[in Chinese]¹, [in Chinese]¹, [in Chinese]¹, [in Chinese]¹, [in Chinese]¹, and [in Chinese]²

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¹[in Chinese]

²[in Chinese]

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[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Spectrum Enlargement and Wavelet Transform on Planar Fractal by Improved 4f Fourier Optical System[J]. Acta Optica Sinica, 2000, 20(2): 219 Copy Citation Text

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Abstract

An improved 4f Fourier optical system was designed and applied to enlarge the scale of spectrum and realize wavelet transform, which was helpful to the operation of the matched filter on the spectrum plane. The experimental results of Fourier transform and wavelet transform and the fractal dimension on Sierpinski fractal were given.

Keywords

Fourier transform optical information processing.wavelet transform

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