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We explore one-dimensional (1-D) to two-dimensional (2-D) transformations suitable for optical correlation of signals. An intuitive, geometrical development establishes and relates several 2-D formats including variations of the familiar falling raster format. Insight into the folded spectrum is gained by considering a matched spatial filter implementation of correlation between two signals in falling raster formats.
William W. Stoner,William J. Miceli, andFrank A. Horrigan
"One-Dimensional To Two-Dimensional Transformations In Signal Correlation", Proc. SPIE 0373, Transformations in Optical Signal Processing, (27 February 1984); https://doi.org/10.1117/12.934530
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William W. Stoner, William J. Miceli, Frank A. Horrigan, "One-Dimensional To Two-Dimensional Transformations In Signal Correlation," Proc. SPIE 0373, Transformations in Optical Signal Processing, (27 February 1984); https://doi.org/10.1117/12.934530