Fourier Transform, Optical Computing, Technology, Next Generation Tech.
www.optalysys.com for more information on what we’re up to. ¹ This property is specific to Fourier transforms of size 1, 2, or (as in the present case) 4 in each direction. For other sizes, the Fourier transform of an array of integer will generally involve irrational numbers. ² Except for n = 1