Performing a 2-dimensional linear transform with a holographic mask
1990
Based on the configuration of coherent optical system composed of a holographic mask and two Fourier transform lenses, an approach of performing a 2-dimensional (2-D) linear transform is suggested. The 2-D Walsh-Hadamard transform of order 32 is tested, and the experimental results are given.
Keywords:
- S transform
- Constant Q transform
- Short-time Fourier transform
- Discrete Fourier transform (general)
- Non-uniform discrete Fourier transform
- Fourier transform on finite groups
- Fractional Fourier transform
- Optics
- Physics
- Two-sided Laplace transform
- Harmonic wavelet transform
- Hartley transform
- Radon transform
- Fourier transform
- Correction
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