One-step optical negabinary and modified signed-digit adder

被引：11
|
作者：
Zhang, SQ [1 ]
Karim, MA [1 ]
机构：
[1] Univ Dayton, Dept Elect & Comp Engn, Dayton, OH 45469 USA
来源：
OPTICS AND LASER TECHNOLOGY | 1998年 / 30卷 / 3-4期
关键词：
negabinary number representation; modified signed-digit adder; one-step algorithm; optical computing;
D O I：
10.1016/S0030-3992(98)00034-6
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A one-step algorithm for parallel negabinary addition of two negabinary numbers is achieved by minimizing the truth-table for the two-step algorithm. Without increasing the encoding cell size or adding complexity of the corresponding optical system, the proposed one-step scheme doubles the computation speed. The optical system can also be used to realize a one-step modified signed digit adder. Additionally, optical implementation of negabinary multiplication using this proposed one-step optical adder is discussed. (C) 1998 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：193 / 198
页数：6
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