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Proceedings Paper

Concept of precision in analog-based discrete numeric optical processors
Author(s): Michael V. Morelli; Thomas F. Krile; John F. Walkup
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Paper Abstract

Within this paper we discuss the precision of a fixed-point discrete numeric vector-matrix processor. The concept of precision relates to the quantity of numerically exact information in the processor's calculated result. This analysis is based on a signal space formulation which allows for the determination of precision from the uncertainty in the output signal space. Characteristics of the ideal signal space are explored and then the implications of simple nonideal temporal and spatial effects are considered. The resulting precision limitations are discussed in terms of numerical roundoff and significance errors.

Paper Details

Date Published: 29 September 1994
PDF: 10 pages
Proc. SPIE 2297, Photonics for Processors, Neural Networks, and Memories II, (29 September 1994); doi: 10.1117/12.187288
Show Author Affiliations
Michael V. Morelli, Texas Tech Univ. (United States)
Thomas F. Krile, Texas Tech Univ. (United States)
John F. Walkup, Texas Tech Univ. (United States)


Published in SPIE Proceedings Vol. 2297:
Photonics for Processors, Neural Networks, and Memories II
Joseph L. Horner; Bahram Javidi; Stephen T. Kowel, Editor(s)

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