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10 June 1994 Applications of butterfly interconnection networks in the real transform-based optical information processing
DeGui Sun, Li-Ming He, Na-Xin Wang, Mai Xu, Guodong Liang, Jie Zheng, Jing-Hui Zhou
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Proceedings Volume 2232, Signal Processing, Sensor Fusion, and Target Recognition III; (1994) https://doi.org/10.1117/12.177749
Event: SPIE's International Symposium on Optical Engineering and Photonics in Aerospace Sensing, 1994, Orlando, FL, United States
Abstract
This paper proposes new optical butterfly interconnection network constructions based on the butterfly signal-flow diagrams for performing 1D and 2D fast Walsh-Hadamard transforms. We build the optical butterfly interconnection network hardware systems by using the binary phase diffraction gratings and masks. The systems are simple, regular in constructions, and easily implemented by means of gratings and masks. They relate directly optical processing with mathematical calculation, and are conveniently controlled and adjusted. These important characteristics have been verified by computer simulation.
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DeGui Sun, Li-Ming He, Na-Xin Wang, Mai Xu, Guodong Liang, Jie Zheng, and Jing-Hui Zhou "Applications of butterfly interconnection networks in the real transform-based optical information processing", Proc. SPIE 2232, Signal Processing, Sensor Fusion, and Target Recognition III, (10 June 1994); https://doi.org/10.1117/12.177749
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KEYWORDS
Optical signal processing
Diffraction gratings
Optical networks
Binary data
Computer simulations
Transform theory
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