SCALING LAW AND SIMULTANEOUS OPTICAL IMPLEMENTATION OF VARIOUS ORDER FRACTIONAL FOURIER TRANSFORMS
1995
The optical implementation of fractional Fourier transforms (FractFT’s) of different orders usually requires different geometric configurations. I obtain a scaling relation for optical implementation of the FractFt that allows one to do the 1/Q1-order FractFT on the 1/Q-order optical FractFt setup, except for the usual Fourier transform. With the scaling relation, FractFt’s of different orders can be optically implemented simultaneously. The optical implementation of a FractFT in the frequency domain is also suggested.
Keywords:
- Constant Q transform
- Phase correlation
- Optics
- Fourier transform on finite groups
- Discrete Fourier transform (general)
- Non-uniform discrete Fourier transform
- Mathematical analysis
- Fourier transform
- Physics
- Fourier inversion theorem
- Fractional Fourier transform
- Discrete Fourier transform
- Sine and cosine transforms
- Fourier analysis
- Discrete-time Fourier transform
- Correction
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