Title :
Comments on "Direct Coherent Optical Fourier Transforms of Curves"
Author :
Felstead, E.B. ; Hill, K.O. ; Tenne-Sens, A.U.
Author_Institution :
Department of Communications, Communications Research Centre
Abstract :
The technique that is described by Lanzl and Heitmann in "Direct coherent optical Fourier transform of curves,"1 is shown to be a form of area modulation. Simpler and equally useful techniques have already been described.
Keywords :
Analog computers; Fourier transform; coherent optical Fourier transform; optical computer; Bandwidth; Circuit testing; Fourier transforms; Hazards; Logic; Optical films; Optical filters; Optical recording; Optimized production technology; Sequential analysis; Analog computers; Fourier transform; coherent optical Fourier transform; optical computer;
Journal_Title :
Computers, IEEE Transactions on
DOI :
10.1109/TC.1978.1675063
