Binary phase-only filter associative memory

Jonathan S. Kane; Philip L. Hemmer; Charles L. Woods; Jehad Khoury

doi:10.1117/12.49738

1 November 1991 Binary phase-only filter associative memory

Jonathan S. Kane, Philip L. Hemmer, Charles L. Woods, Jehad Khoury

Proceedings Volume 1564, Optical Information Processing Systems and Architectures III; (1991) https://doi.org/10.1117/12.49738
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

An associative memory is implemented using a binary phase-only filter as the memory element. In the current architecture, if the input contains any part of the set of stored memories, then the entire set is retrieved at the output. In addition, the sharp autocorrelation peak and the high signal-to-noise ratio allows operation without necessitating a thresholding device.

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Jonathan S. Kane, Philip L. Hemmer, Charles L. Woods, and Jehad Khoury "Binary phase-only filter associative memory", Proc. SPIE 1564, Optical Information Processing Systems and Architectures III, (1 November 1991); https://doi.org/10.1117/12.49738

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KEYWORDS

Content addressable memory

Phase only filters

Signal to noise ratio

Fourier transforms

Optical filters

Electronic filtering

Optical correlators

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