Multiplexed symbolic substitution based on optical correlator for optical parallel addition with redundant binary number

Duck Soo Noh; Jeong-Woo Kim; Soo-Joong Kim; Woong Ho Cho; Yang-Hoi Doh

doi:10.1117/12.243133

12 June 1996 Multiplexed symbolic substitution based on optical correlator for optical parallel addition with redundant binary number

Duck Soo Noh, Jeong-Woo Kim, Soo-Joong Kim, Woong Ho Cho, Yang-Hoi Doh

Author Affiliations +

Proceedings Volume 2754, Advances in Optical Information Processing VII; (1996) https://doi.org/10.1117/12.243133
Event: Aerospace/Defense Sensing and Controls, 1996, Orlando, FL, United States

Abstract

A multiplexed symbolic substitution method based on an optical correlator is proposed for an optical parallel addition with redundant binary number. The minimum average correlation energy (MACE) filter, which has very low sidelobes and sharp correlation peaks, is chosen as the optical correlation filter in the recognition phase of symbolic substitution. The sixteen coded input patterns of the redundant binary numbers are classified six groups according to the addition results to minimize the number of recognition filters. To implement the smaller optical system, six recognition/substitution filters are multiplexed in two filter planes with spatial carrier frequencies. Through the computer simulation, it is confirmed that the proposed multiplexed symbolic substitution method is suitable for implementation of the optical parallel adder.

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Duck Soo Noh, Jeong-Woo Kim, Soo-Joong Kim, Woong Ho Cho, and Yang-Hoi Doh "Multiplexed symbolic substitution based on optical correlator for optical parallel addition with redundant binary number", Proc. SPIE 2754, Advances in Optical Information Processing VII, (12 June 1996); https://doi.org/10.1117/12.243133

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KEYWORDS

Multiplexing

Symbolic substitution

Binary data

Detection and tracking algorithms

Optical correlators

Optical filters

Convolution

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