Examples
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Sampling of Images
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The Fourier Transform
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The Fourier Transform
Examples
Delta Function
if
and equal to the unit impulse at
has Fourier transform 1 for all
.
Two impulses
Gaussian hump
is its own Fourier transform.
Rectangular function
has Fourier transform
Bed of Nails or Shah function
The sampling function in 2 D is given by
and its Fourier transform is once again the bed of nails or Shah function
.
S Sastry
Sun May 4 22:28:26 PDT 1997