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[论文]Imaginary angle fractional Fourier transform [复制链接]

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离线yeer

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Imaginary angle fractional Fourier transform,需要的下.

Abstract The concept of imaginary angle fractional Fourier transform is proposed. Its existence and additive operation are proved. With this concept, FRT is expanded to the optical transform of convex lens outside the range of double focal length and that of concave Iens.
Keywords: fractional Fourier transform, lens transform, imaginary number.